Organizers: Co-organizers - · PDF file“POLITEHNICA” UNIVERSITY OF BUCHAREST: ... Bucuresti NUCLEAR RESEARCH INSTITUTE, Piteşti. ... 17:30-18:30 Alexandru Suciu

3rd INTERNATIONAL CONFERENCEon

ELECTRONICS, COMPUTERS

and ARTIFICIAL INTELLIGENCE

ECAI 2009, 2nd – 5th July

hosted by

UNIVERSITY OF PITESTI

DEPARTMENT OF ELECTRONICS, COMMUNICATIONS AND

COMPUTERS SCIENCE

Organizers:

UNIVERSITY OF PITESTI:

- Faculty of Electronics, Communications and Computers (FETC);

- Department of Electronics, Communications and Computers Science

- Research Centre for Systems and Processes' Modeling and Simulation

IEEE ROMANIA SECTION

Co-organizers:

“POLITEHNICA” UNIVERSITY OF BUCHAREST:

- Faculty of Electronics Telecommunication and Information Technology

- Faculty of Automatics and Computers

INSTITUTE for THEORETICAL INFORMATICS of the ROMANIAN ACADEMY

- Iaşi Branch

NATIONAL INSTITUTE FOR INVENTICS, Iaşi

MILITARY TECHNICAL ACADEMY, Bucharest

MILITARY TECHNICAL ACADEMY, Bucharest

GENERAL ASSOCIATION OF THE ENGINEERS - Arges Branch

NATIONAL COMMUNICATIONS RESEARCH INSTITUTE – Bucuresti

NUCLEAR RESEARCH INSTITUTE, Piteşti

3rd INTERNATIONAL CONFERENCEon

ELECTRONICS, COMPUTERS and ARTIFICIAL INTELLIGENCE


& Technical sponsorship

Honorary Chair: Takeshi Yamakawa

General Chairs: Horia-Nicolai (L.) Teodorescu and Emil Sofron

Co-chairs: Gheorghe Serban and Silviu Ionita

Program Chair: Nicu Bizon

Local Arrangements Chair: Ion Tutanescu

International Scientific Committee

Salem M. Abdel-Badeeh (Eg) Adrian Rusu (Ro)Dorel Aiordachioaie (Ro) El Emary M. Ibrahiem (Jo) Miguel Salmeron (USA)Nicolae D. Alexandru (Ro) Silviu Ioniţă (Ro) Dumitru Scheianu (Ro)Maaruf Ali (UK) Ires Iskender (Tk) Ion Sima (Ro)Horia Andrei (Ro) Mariana Jurian (Ro) Emil Simion (Ro)Lucian Anton (Ro) Hakan Kuntman (Tk) Charles A. Shoniregun (Ca)Nicu Bizon (Ro) Vasile Lăzărescu (Ro) Emil Sofron (Ro)Gheorghe Barbu (Ro) Ioan Liţă (Ro) Milan Stork (Cz)Ion Bogdan (Ro) Mohamed Mahmoud (UK) Rodica Strungaru (Ro)Catalin Buiu (Ro) Andrei Marinescu (Ro) Iuliu Szekely (Ro)Dumitru Cocoru (Ro) Alexandru Morega (Ro) Harold Szu (USA)Patrick Coirault (France) Ioan Naforniţă (Ro) Gheorghe Şerban (Ro)Lucian Constantinescu (Ro) Sergiu Nedevschi (Ro) Luca Dan Şerbănaţi (Ro)Lucien Dăscălescu (Fr) Constantin Negoita (USA) Alexandru Şerbănescu (Ro)Anthony C. Davies (UK) Ioan Nicolaescu (Ro) Mircea Ştefănescu (Ro)Daniela Dragomirescu (Fr) Stefan Victor Nicolaescu (Ro) Cengiz Taplamacioglu (Tk)Marin Drăgulinescu (Ro) Cornel Panait (Ro) Mihai Tarâţă (Ro)Ioan Dumitrache (Ro) Victor Valeriu Patriciu (Ro) Horia N. Teodorescu (Ro)Costin Dumitriu (Ro) Svasta Paul (Ro) Borangiu Theodor (Ro)Marius Enachescu (USA) Mircea Petrescu (Ro) Ion Tutănescu (Ro)Jaafar MH Elmirghani (UK) Teodor Petrescu (Ro) Nicolae Ţăpus (Ro)George Lojewski (Ro) Jiri Pinker (Cz) Nicolae Voicu (Ro)Gheorghe Gavriloaia (Ro) Ilie Popa (Ro) Dimitris Voukalis (Gr)Fary Z. Ghassemlooy (UK) Dumitru Popescu (Ro) Mihaela Ungureanu (Ro)Peter Hill (UK) Eugene Rovenţa (Canada) Takeshi Yamakawa (Japan)

PROGRAM

Thursday, 2 July 2009Thursday, 2 July 2009, 16:00 – 20:00, “CD” - “T” building, conference deskRegistration of the participants

Thursday, July 2, 20:00-22:00, “R1” – “Academica” restaurantECAI Welcome cocktail

Friday, July 3, 2009

July 3, 8:00-9:00, “CD” - “T” building, conference deskRegistration of the participants

July 3, 9:00-9:30, OFFICIAL OPENING ECAI & EWCBDPS 2009“T” building, T306 room09:00-09:30 Welcome and Opening Addresses09:00-09:05 Emil Sofron, General Chair of ECAI 2009

09:05-09:10 Gheorghe Barbu, Rector of the University of Pitesti

09:10-09:15 Gheorghe Serban, vice Rector with research activities & co-Chair of ECAI 2009

09:15-09:20 Nicu Bizon, Invited organizer of the EWCBDPS 2009

09:20-09:25 ECAI main sponsors messages: Niculescu Catalin, Gen. manager of ROHDE &

SCHWARZ ROMANIA and Valentin Stan, Gen. manager of SMART-TELECOM CONSULTING

09:25-09:30 Horia N. Teodorescu, correspondent member of the Romanian Academy

09:30-09:35 Takeshi Yamakawa, Honorary Chair of ECAI & EWCBDPS 2009

July 3, 09:40-13:50, ECAI KEYNOTE LECTURES –I, “T” building, T306 room

09:40-10:30 Takeshi Yamakawa, Kyushu Institute of Technology, JapanIdentification of Epileptogenic Focus by Employing Softcomputing and Establishment of Minimally Invasive and Definitive SurgeryChairs: Horia N. Teodorescu, Emil Sofron

10:30-11:20 Horia N. Teodorescu, Technical University "Gh. Asachi", RomaniaThe Problem of Relative-Error Approximation and its Fuzzy SolutionsChairs: Takeshi Yamakawa, Nicu Bizon

11:20-12:10 Catalin Buiu, “Politehnica” University of Bucharest, Romania Towards integrated biologically-inspired cognitive architecturesChairs: Alexandru Serbanescu, Ilie Popa

12:10-13:00 Alexandru Serbanescu, Millitary Technical Academy, RomaniaNew Approaches in Nonlinear Dynamics Analysis of Complex Systems and ProcessesChairs: Milan Stork, Cengiz Taplamacioglu

13:00-13:50 Zabih Ghassemlooy, Northumbria University, UKFree Space OpticsChairs: Voukalis Dimitris, Ion Sima

July 3, 15:00-18:00, ECAI Afternoon sessions

July 3, 15:30-18:00, EWCBDPS Section I, “T” building, T306 roomManagement of the Distributed Renewable Energy Resources and Power QualityChairs: Milan Stork, Nicu Bizon

15:30-16:00 Milan Stork, University of West Bohemia, Plzen, CZSystem Description Based on Tellegen Principle and Abstract State Energy

16:00-16:30 Nicu Bizon, University of Pitesti, Pitesti, RomaniaActive Filtering Techniques for Fuel Cell Stack Current Ripple

16:30-17:00 Ires Iskender, University of Gazi, Ankara, TurkeyA Review on Single-Phase PFC Circuits Used for Medium and High Power Applications

17:00-17:30 Horia Andrei, "VALAHIA" University of Targoviste, RomaniaThe Principle of Electric Power and Magnetic Energy in Stationary Regime

17:30-18:00 Diaconescu Eugen, University of Pitesti, Pitesti, RomaniaModeling of a Hybrid Energy Source as a Multi-Agent System

July 3, 15:30-18:00, EWCBDS Section II, “T” building, T305 roomCommunication Techniques and Issues of Reliability and Security Chairs: Voukalis Dimitris, Nicolae D. Alexandru

15:30-16:00 Voukalis Dimitris, Technical Educational Institute of Pireus, GreeceTechniques for communication and security issues

16:00-16:30 Maaruf Ali, Oxford Brookes University, UKThe Fractal Nature of Network Traffic

16:30-17:00 Nicolae D. Alexandru, “Ghe. Asachi” Technical University, RomaniaImproved Nyquist filters

17:00-17:30 Milan Stork, University of West Bohemia, Plzen, CZDiscrete Chaotic Systems Synchronization and Secure Data Transmission

17:30-18:00 Emil Simion, Institute of Mathematics "Simion Stoilow" of the Romanian Academy, Bucharest, RomaniaInformation Security and Cryptography

July 3, 15:30-17:00, Electronic Circuits & Equipments - I, “T” building, T307 roomChairs: Anca Petrisor, Laurentiu Ionescu

15:30-15:45 Ionescu Valeriu MATLAB Implementation of Secure Voice Communication

15:45-16:00 Jipa RazvanCustom Test Solution for GALS Modules Implemented on Structured ASIC Platforms

16:00-16:15 Marius Constantin Popescu, Anca PetrisorImproving Method for Measuring the Elastic & Viscous Behaviour of Rubber

16:15-16:30 Radu Belea, Silviu Epure Practical In-Loop Compensation of a Hybrid Amplifier Driving a Capacitive Load

16:30-16:45 Aiordăchioaie Dorel, Viorel Nicolau, Anisia GoguOn the Modelling of the Sonar Transmission Systems

16:45-17:00 Mazarel Marius, Chiculita Claudiu, Frangu LaurentiuA Hardware Platform for Sonar and Audio Signal Processing

July 3, 15:30-17:00, Bio-medical app. & Biomaterials – I, “T” building, T308 roomChairs: Teodorescu Horia-Nicolai, Toshitaka Yamakawa

15:30-15:45 Toshitaka YamakawaEpileptogenic EEG Monitoring and Brain Stimulation using a Multifunctional Microprobe for Minimally Invasive Brain Surgery

15:45-16:00 Teodorescu Horia-Nicolai, Pistol Laura,Emotional States Recognition in Speech in Romanian – Differences Between Male and Female Speakers

16:00-16:15 Cristina PopescuApplication of the Nested Monte Carlo Expectation Maximization Algorithm for Predicting the Heart Beats in ECG Signals

16:15-16:30 Gavriloaia GheorgheInvestigation of Acoustic Resonance Frequencies for a Geometric Model of Thyroid Gland

16:30-16:45 D. Ţarălungă, W. Wolf, R. Strungaru, I. Gussi, C. Dutescu, M. UngureanuNoise Sensitivity of QRS Detection Algorithms

16:45-17:00 Otilia PăduraruThe Contribution of the Apical Low Threshold Ca2+ Currents to the Rebound Burst Generation in Layer 5 Burst Firing Neocortical Neurons

July 3, 17:30-18:30, ECAI Poster sessions

July 3, 17:30-18:30, Electronic Circuits & Equip. - Poster, “T” building, P hallChairs: Ioan Lita, Bostan Ionel

17:30-18:30 H. SamieeThe Effect of Compression Ratio in Reduction of Nitrogen Oxides and Increment of Power in a DL CI Engine Using Fuzzy Control

17:30-18:30 Mohammad Reza Saboktakin, Abel Maharramov, Mohammad Ali RamazanovMicrowave Absorption Studies on Conducting Nanocomposites as Signal Coating Materials

17:30-18:30 Alexandru Suciu3D TV/Display/Application Developments

17:30-18:30 Iorgulescu Mariana , Beloiu RobertVibration Monitoring for Electrical Equipment Faults Detection using Fast Fourier Transform

17:30-18:30 Z.N. Musaev Startering Mode of the Starter-Generator

17:30-18:30 Ionescu Laurentiu Mihai, Mazare Alin Gheorghita, Serban Gheorghe, Anghelescu PetreFPGA Implementation of a Hopfield Neural Network for a Real –Time Associative Memory

17:30-18:30 Badea Romeo-Vasile, Popa IlieModeling and Simulation of Autonomous Systems for Generating Electricity using Wind Turbines

17:30-18:30 Petre Anghelescu, Emil Sofron, Ilie Popa, Laurentiu Ionescu, Vasile-G. IanaParallel Algorithms for Matrix-Vector Multiplication

17:30-18:30 Ovidiu Dragomirescu , Marieta DragomirescuGrounding Optimization Techniques Based on the New Concept of Topological Schema

July 3, 17:30-18:30, Software & Computer Appl. - Poster, “T” building, P hallChairs: Popa Ilie, Zafiu Adrian

17:30-18:30 Gheorghe Oproescu, Luiza GrigorescuA New Sample Theorem in Signals Processing

17:30-18:30 Mihai PopescuComputer Program for the Treatment of Sports Injuries

17:30-18:30 Tudor Barbu, Adrian CiobanuColor-Based Image Retrieval Technique using Relevance Feedback

17:30-18:30 Omari Abdallah, Selection of the Learning Database Elements for El-Dorra Neural Network Technology

17:30-18:30 Ibrahiem M.M. El-Emary, Mona M. Abd El-KareemOn the Application of Genetic Algorithms in Finger Prints Registration

17:30-18:30 Vladimir JotovTransaction over Versioned Objects in Hierarchical Workspace Environment

July 3, 17:30-18:30, Multimedia Appl. - Poster, “T” building, P hallChairs: Mircea Stefanescu, Ionescu Valeriu

17:30-18:30 Voinicu MihaelaTendencies in the Introduction of Multimedia Applications in Romanian Libraries

17:30-18:30 Anghel Sorin, Topală CarmenThe K - M Theory in the Radiant Energy Management Improving

17:30-18:30 Mircea StefanescuStudy of Developer-Supplied Programming Libraries

17:30-18:30 Rodica-Mihaela Teodorescu, Monica-Anca ChitaThe Analysis of Amplitude Corrector Circuit using Virtual Instrumentation

17:30-18:30 Ioan Lita, Mariana Jurian, Daniel Alex. Visan, Ion Bogdan Cioc, Elena CiocVirtual Instrumentation for Signal Processing in Software Defined Radios

17:30-18:30 Cioc Ion Bogdan, Lita Ioan, Visan Daniel Alexandru, Jurian Mariana, Cioc ElenaApplication for Monitoring of Measured Parameters over Internet

July 3, 18:30-19:30, ECAI & EWCBDPS Round Tables

18:30-19:30 EWCBDS Round Table I, “T” building, T306 room Trends and tracks in distributed power systems - exploratory overview for FP7 proposals Chairs: Nicu Bizon, Cengiz Taplamacioglu, Milan Stork, Ires Iskender

18:30-19:30 ECAI Round Table I, “T” building, T305 roomTrends in signals acquisition boards and wireless data transmission in nuclear systemsChairs: Ioan Lita, Corneliu Talpalariu

Saturday, July 4, 2009

July 4, 09:00-12:20, ECAI KEYNOTE LECTURES II, “T” building, T306 room

09:00-09:50 Mircea Petrescu, University Politehnica of Bucharest, RomaniaPhysics, information and evolution of computersChairs: Gheorghe Serban, Silviu Ionita

09:50-10:40 Voukalis Dimitris, Technical Educational Institute of Pireus, GreeceThe principles of artificial psychology in communications automataChairs: Zabih Ghassemlooy, Maaruf Ali

10:40-11:30 Emil Simion, Institute of Mathematics "Simion Stoilow" of the Romanian Academy, Bucharest, RomaniaInformation Security and Cryptography Chairs: Mariana Jurian, Ion Tutanescu

11:30-12:20 Charles A. Shoniregun, Sheridan Institute of Technology and Advanced Learning, CanadaTechniques for secure communicationsChairs: Emil Simion, Anton Constantin

July 4, 12:30-14:00 ECAI morning sessions

July 4, 12:30-14:00, Microwaves–Th. and Tech. & EMC, “T” building, T306 roomChairs: Teodor Petrescu, Lojewski George

July 4, 12:30-12:45, Mihai Iulia AndreaMicrowave Investigation of the Scattering Parameters for Different Types of Metamaterials

July 4, 12:45-13:00, Mihai Iulia Andrea Microwave Propagation Through some Left Handed Structures

13:00-13:15 Stefan SIMION, Military Technical AcademyAnalytical and Numerical Analysis of a Frequency Doubler Based on Non-Linear Composite Right-/Left-Handed Cells

13:15-13:30 Lojewski George, Militaru Nicolae, Banciu Marian GabrielDesign and Optimization of Microstrip Bandpass Filters with Multiple Couplings

13:30-13:45 Lojewski George, Militaru Nicolae, Banciu Marian GabrielMicrostrip Filters with Multiple Cross-Couplings and Maximum Number of Attenuation Poles

13:45-14:00 Thomas Beluch, Vincent Puyal, Daniela Dragomirescu, Robert PlanaActuation Command Circuit for 60 GHz RF MEMS Phase Shifters

July 4, 12:30-14:00, Electronic Circuits & Equip. - II, “T” building, T307 room

Chairs: Ires Iskender, Mihai Oproescu

12:30-12:45 Corneliu Talpalariu , Mihaela Talpalariu , Matei CorinaAdaptive Hazard Management for Redundant Safety Systems

12:45-13:00 George MateiNew Technologies in the Monitoring of the Primary Heat Transport System within aNuclear Power Reactor

13:00-13:15 Mihai Iordache, Lucia Dumitriu, Catalina Popescu, Dragos NiculaeSensitivity Computation for Analog Circuits

13:15-13:30 Naci Genc, Ires IskenderAnalysis of Critical Mode Interleaved Boost PFC Converter

13:30-13:45 Oproescu Mihai, Bizon Nicu, Sofron EmilEfficiency of Current Ripple Passive Filtering Techniques for Inverter System Supplied by a Fuel Cell - Modeling and Simulations

13:45-14:00 Oproescu Mihai, Bizon Nicu, Sofron EmilEfficiency of Current Ripple Passive Filtering Techniques for Inverter System Supplied by a Fuel Cell - Experimental Results

14:00-14:15 Abdullaev Ja.R., Mamedova G.V., Kerimzade G.S.Calculation of the Power Converter Moving with Levitation Screen

July 4, 12:30-14:15, Software & Computer Appl. – I, “T” building, T308 roomChairs: Gheorghe Oproescu, Ene Alexandru

12:30-12:45 Cosmin Stirbu, Constantin Anton, Emil SofronCalculation of the Equivalent Reliability for the Non Decomposed Systems using the Graphs Theory

12:45-13:00 Octavian Popescu, Eugen DiaconescuE-Laboratory Frameworks for Agent Based Modelling of Energy Markets

13:00-13:15 Gheorghe Oproescu, Luiza GrigorescuThe Usability of the Resident Software and Hardware in some few Applications for Signal Processing

13:15-13:30 Monica Feraru, Horia-Nicolai Teodorescu Classification of the Emotional States in Speech using the SROL Database – Preliminary Results

13:30-13:45 Călin Anton, Joseph Culberson,A Variation of the Random K-SAT Model

13:45-14:00 Sebastian Marius RosuA Knowledge Management Approach in the Virtual Enterprise Network Environment

14:00-14:15 Sebastian Marius RosuCorporate Network Management as Support for Virtual Teams Work

July 4, 12:30-14:00, NTMEA workshop, “T” building, T305 roomChairs: Mircea Stefanescu, Mihaela Dana Costache

12:30-12:45 Mihai G. Man, Mihaela Dana CostacheConfocal Laser Endomicroscopy – A Modern Diagnostic Method in Telepathology

12:45-13:00 Mihai G. Man, Mihaela Dana Costache, Aurelia Man, Adrian Tase, Flavius Băjan, Gheorghe ŞiţaruImplementing the telemonitoring system CARDIPLUS – Spain in romanian Argeş-county healthcare system – as a pilot station

13:00-13:15 Mihaela Dana Costache, George Mihail ManCost analysis of different protocols for imaging a patient with acute flank pain

13:15-13:30 Mihaela Dana Costache, George Mihail ManCoexistence of schizencephaly and middle cranial fossa arachnoid cyst: a report of two patients

13:30-13:45 Buleandra Alina, Petrescu TeodorComparison of SARs induced inside a homogeneous human liver

13:45-14:00 Mircea StefanescuMedical information security

July 4, 12:30-14:00, SDISA workshop, “T” building, T209 roomChairs: Angela Ionita, Adrian Zafiu

12:30-12:45 Zafiu Adrian, Ionescu Valeriu, Bizon Nicu, Ghita Constantin, Oproescu MihaiA detailed model for PV simulation and MPP tracking with tree points

12:45-13:00 Constantin Radu Gogu , Dragos Gaitanaru , Anghel Leonard, Ionut Iosifescu Enescu, Ion NedelcuApplied Webmapping in Groundwater Monitoring - A Hydrogeological WebMapping Geoportal -

13:00-13:15 Angela Ionita, Adrian Zafiu, Radu Gogu, Marius EnacheA Point of view regarding Web Services-based Infrastructure for Geospatial Information

13:15-13:30 Angela Ionita, Dragos Gaitanaru, Constantin Radu GoguDecision Support System for groundwater artificial recharge based on alternative sources of water for semi-arid regions

July 4, 15:30-18:00, ECAI Afternoon sessions

July 4, 15:30-18:00, EWCBDS Section III, “T” building, T306 roomAutonomous systems, intelligent agents and computation performanceChairs: Cengiz Taplamacioglu, Mihai Tarata

15:30-16:00 Ilie Popa, University of Pitesti, RomaniaDistributed Intelligent Agents

16:00-16:30 Cengiz Taplamacioglu, University of Gazi, Ankara-TurkeySwarm Optimization Based Automatic Generation Control in a Hydrothermal Power System including SMES Units

16:30-17:00 Nita Iulian, Lazarescu Vasile, Constantinescu Rodica, University Politehnica of Bucharest, RomaniaDynamic intelligent task mapping for heterogeneous MPSoC applications

17:00-17:30 Mihai Tarata, University of Medicine and Pharmacy of Craiova, RomaniaOn possibilities to noninvasively monitor the neuromuscular fatigue in isometric and dynamic contraction - is the Wavelet Transform the ultimate tool?

17:30-18:00 Emil Slusanschi, University Politehnica of Bucharest, RomaniaScientific Computing Applications Need High Performance Computing

July 4, 12:30-14:15, Communications – I, “T” building, T305 roomChairs: Jurian Mariana, Sorin Puscoci

12:30-12:45 Nicolae D. AlexandruSpectra of Several Higher Order DC-Free

12:45-13:00 Voukalis DimitrisThe Encryption in our Daily Digital Life

13:00-13:15 Mircea Andraşiu, Andrei-George Oprina, Emil Simion, A Proposal for Research and Development of Cryptographic Standards

13:15-13:30 Radu Dragomir, Sorin PUSCOCIWalk-off Effect Contributions to Non-Degenerated Four-Wave-Mixing Noise in Optical Transmission Systems

13:30-13:45 W. Popoola, Z. Ghassemlooy, M. S. Awan, and E. LeitgebAtmospheric Channel Effects on Terrestrial Free Space Optical Communication Links

13:45-14:00 Viorel Grigore, Codrut Irimia, Mariana JurianModulation Recognition Algorithm Using Adaptive Thresholds

14:00-14:15 Negoiţă Marius, Moraru CătălinUltra Wideband Systems–A New Technology for Communication

July 4, 15:30-17:00, Software & Computer Appl. II, “T” building, T308 roomChairs: Popa Ilie, Iulian-Constantin Vizitiu

15:30-15:45 Ionescu Valeriu, Zafiu Adrian, Panter MadalinaUsing Internet Connectivity for Improving Prosthesis Design

15:45-16:00 Ghita Constantin, Popa Ilie,Availability Modeling and Simulation in Data Grid

16:00-16:15 Iulian-Constantin VizitiuMore Efficient ATR System using the Decision Fusion on Available Multispectral Information

16:15-16:30 Ioan PaladeAvailability Modelling of Deployable Communication Networks

16:30-16:45 Salvador Ibarra, Achieving High Cooperation in Situated Agents

16:45-17:00 Sorin Soviany, Mariana Jurian, Sorin Puşcoci, Gheorghiţă PescaruModelling Biometric Systems using UML Language

17:00-17:15 Bîrleanu Florin Marian, Serban Gheorghe, Sofron EmilUsing image processing techniques for noise reduction in recurrence plots

July 4, 15:30-17:15, AI & Environmental Appl., “T” building, T307 roomChairs: Ibrahiem M.M. El-Emary, Mihai Iordache

15:30-15:45 Ibrahiem M.M. El-Emary, Mona M. Abd El-KareemPattern recognition using moments invariance technique

15:45-16:00 Cosmin Ştirbu, Constantin Anton, Alexandru EneMethod of Fault Diagnosis of an Electronic System using Neural Networks

16:00-16:15 Vincent Albert, Alexandre NketsaA Hierarchy Of Embedded Systems’ Models

16:15-16:30 Jurian Mariana, Savulescu Corina, Panait CristianWater Transmission Parameters In The Network Of The Town Of Stefanesti - Arges

16:30-16:45 Panait Cristian, Savulescu CorinaDrinking Water Quality Monitoring System

16:45-17:00 Dragoş Niculae, Lucia Dumitriu, Mihai Iordache Electrical Circuit Methods for Heat Transfer Computation

17:00-17:15 Maryam Khademi, Alireza Nikookar, Aida FarahaniRecognizing Online Persian Characters Using Feature Extraction

July 4, 17:30-18:30, Communications – Poster, “T” building, P hallChairs: Ion Tutănescu, Daniela Dragomirescu, Sorin Puscoci

17:30-18:30 Ovidiu Catalin GogotSome Consideration about Clutter Removal in GPR

17:30-18:30 Iulian Barbu, Emil Sofron, Catalin Ursea, Loredan MoloceniucCode Division Multiple Access System Based on Chaos Spreading Sequence

17:30-18:30 Constantin Anton, Ion Sima, Emil Sofron, Ion Tutănescu, Cosmin StirbuSR-ARQ System with BCH for Data Transmission

17:30-18:30 Dimitris VoukalisPowerful List Decoding of Matrix Error – Correcting Codes

17:30-18:30 Abdoulaye Berthe, Aubin Lecointre, Daniela Dragomirescu, Robert PlanaMedium Access Control Layer for Wireless Sensor Networks Based on Impulse Radio Ultra Wide Band

17:30-18:30 Constantin Anton, Laurentiu Ionescu, Mazare Alin, Serban GheorgheThe FPGA Implementation of a CRC Module for Real Time Communication

July 4, 17:30-18:30, Electronic Circuits & Equip. - Poster, “T” building, P hallChairs: Mihai Iordache, Șerban Gheorghe

17:30-18:30 Bîrleanu Florin Marian, Șerban Gheorghe, Sofron EmilAn Area-efficient FPGA-Based Implementation of RSA

17:30-18:30 Farokh Fattahi, N Rahmanov, A.M.HashimovModeling and Control of Distributed Generation Systems including Wind and Gas Turbine on Azarbaijan Elec. Network

17:30-18:30 Cătălina-Gabriela PopescuCompanion Models for Multi-Rate Analysis of Integrated Analog Circuits

17:30-18:30 Samira KhanakhmedovaThe Decision of Problems at Transition in a Generating Mode of the Starter-Generator

17:30-18:30 Farokh Fattahi, N Rahmanov,A.M.HashimovInvestigating the Application of Fuzzy Logic Controllers in DG System of Azerbaijan Network and its Effect on Distance Between DG System and Network

17:30-18:30 Ion Ionita, Florescu ValeriuAdapting the TRIGA Pitesti Q-Space Focusing Crystal Neutron Diffractometer for Stress Determinations

July 4, 17:30-18:30, Software & Computer Appl. - Poster, “T” building, P hallChairs: Popa Ilie, Stirbu Cosmin

17:30-18:30 Brebeanu Dumitru, Jurian Mariana, Burcea Oana, Doagă Gabriel, Voiculescu Toni, Boşcănici ValentinImage Compression Performance with WDR Algorithm

17:30-18:30 Vasile Cornita, Rodica Strungaru, Sever PascaSQL Index Prediction and Optimzation using Neural Networs in Advanced Integration Systems

17:30-18:30 Cazacu Dumitru, Iordache Mihai, Mocanu MihaiEvaluation of the temperature distribution into a CPU cooler using finite element method

17:30-18:30 Pop CristinaEducational Multimedia Applications

July 4, 18:30-19:30, ECAI & EWCBDPS Round Tables

18:30-19:30 EWCBDS Round Table II, “T” building, T306 roomOpportunities for the Renewable Energy Sources & Storage Devices integration into the current architectures of the hybrid automotive power system - new strategies, challenges, and EU-Policies and Regulatory Regimes for Environment and EnergyChairs: Nicu Bizon, Diaconescu Eugen

18:30-19:30 ECAI Round Table II, “T” building, T305 roomElectronic Technology Education and Education TechnologyChairs: Paul Svasta, Alexandru Borcea

ECAI CLOSING CEREMONYJuly 4, 19:30-20:00, ECAI Closing Solemnity, “T” building, T306 roomClosing speeches19:30-19:35 Takeshi Yamakawa, Honorary Chair of ECAI & EWCBDPS 200919:35-19:40 Ionita Silviu, Dean of faculty & co-Chair of ECAI 2009 19:40-19:45 Zabih Ghassemlooy, co-organizer of the EWCBDPS 200919:45-19:55 Time of closing speeches for ECAI participants19:55-20:00 Emil Sofron, General Chair of ECAI 2009

July 5, 9:00-11:00, ECAI Morning sessions

July 5, 9:00-11:00, Communications – II, “T” building, T305 roomSpecial section on Communication Techniques and Issues of SecurityChairs: Dumitru Cocoru, Petre Anghelescu, Paul Burciu

9:00-9:15 Paul Burciu, Ionuţ Mihai SimaAES-128 Encryption /Decryption Implementation on Reconfigurable Hardware (FPGA)

9:15-9:30 Stan Valentin Alexandru Intelligent Highway Surveillance System with Speed Control and Vehicle Identification

9:30-9:45 Petre Anghelescu, Silviu Ionita, Andrei BuruleanuAdvanced Encryption Standard – Rijndael Algorithm Implemented on FPGA

9:45-10:00 Ţărmurean Daniel, Ţărmurean FlorinMobile Secured Communications over PKI Solutions

10:00-10:15 Charles A. Shoniregun1, Yi-Tung F. Chan, Galyna A. Akmayeva, 1Sheridan Institute of Tech. and Adv. Learning, Canada, 2University of Wales, UKAlert Conflict Resolution Model in Network Security Situation Awareness System

10:15-10:30 Alexandru Serbanescu, Leonardo Cernaianu, Cosmin Ivan New Approaches In Nonlinear Dynamics Analysis of Complex Systems And Proceses

10:30-10:45 Goga Octavian GabrielApplied Algorithms for Communications Security. Personal Implementation of SHA-1

10:45-11:00 Marian BuricVoice Security over GSM Networks

ECAI 2009, 2nd – 5th JulyTimetable and Program

Date Time Session or activity Location

16:00-20:00 Authors Registration “CD” - “T” building, conference deskJuly 220:30-22:00 ECAI Welcome cocktail “R1” – “Academica” restaurant

8:00-9:30 Authors Registration “CD” - “T” building, conference desk

9:00-9:30 ECAI Opening Ceremony “T” building, T306 room

9:40-13:50 ECAI KEYNOTE LECTURES I “T” building, T306 room

14:00-15.00 Lunch & Coffee Break “R1” – “Academica” restaurant

ECAI Afternoon sessionsEWCBDPS Section I “T” building, T306 roomEWCBDPS Section II “T” building, T305 roomElectronic Circuits & Equipments - I “T” building, T307 roomBio-medical app. & Biomaterials - I “T” building, T308 room

15:30-17:00

17:00-17:30 Coffee break “PR” - “T” building, protocol space

17:30-18:30 ECAI Poster sessions

Electronic Circuits & Equip. - P

Software & Computer Applications - P

“T” building, P hall

Multimedia Applications - P

Round TablesEWCBDPS Round Table I “T” building, T306 room

18:30-19:30

ECAI Round Table I “T” building, T305 room

July

3

20.00-23.00 ECAI Welcome dinner & Romanian Traditional Music Concert

“R2” – ECAI restaurant

8:00-8:50 Authors Registration “CD” - “T” building, conference desk

9:00-12:20 ECAI KEYNOTE LECTURES II “T” building, T306 room

ECAI morning sessionsMicrowaves–Th. and Tech. & EMC “T” building, T306 room Electronic Circuits & Equipments - II “T” building, T307 roomSoftware & Computer Applications – I “T” building, T308 room

12:30-14:00

NTMEA workshop “T” building, T305 roomSDISA workshop “T” building, T209 room

14:00-15:00 Lunch & Coffee Break “R1” – “Academica” restaurant

ECAI Afternoon sessionsEWCBDPS Section III “T” building, T306 roomCommunications – I “T” building, T305 room Software & Computer Applications - II “T” building, T308 room

15:30-17:00

AI & Environmental Applications “T” building, T307 room17:00-17:30 Coffee Break “PR” - “T” building, protocol room

ECAI Poster sessionsCommunications - PElectronic Circuits & Equip. - P

17:30-18:30

Software & Computer Applications - P

“T” building, P hall

ECAI & EWCBDPS Round TablesEWCBDPS Round Table II “T” building, T306 room

18:30-19:30

ECAI Round Table I “T” building, T305 room

19:30-20:00 ECAI Closing Solemnity “T” building, T306 room

July

4

20:00-23:00 ECAI Gala Dinner “R3” – ECAI restaurant

9.00-11:00 Special ECAI session Communications – II “T” building, C roomJuly 511:00-11:30 Coffee Break “PR” - “T” building, protocol room

July 5 7:00 – 21:00July 6 7:00 – 21:00

ECAI Trip (one or two days) Departure from “T” building, PitestiArrival in Pitesti in each day at end of its

EWCBDPS - Exploratory Workshop on Complex Behaviour of the Distributed Power SystemsNTMEA - New trends in Medical Equipments and its ApplicationsSDISA - Spatial Data Integration in Software Application“T” building is near to the University Rectorship: Str. Tirgu din Vale, No.1, Pitesti

3rd INTERNATIONAL CONFERENCE

onELECTRONICS, COMPUTERS and ARTIFICIAL INTELLIGENCE


Financial & technical sponsorshipROHDE & SCHWARZ ROMANIAhttp://www2.rohde-schwarz.com

QUARTZ SECURITY SYSTEMhttp://www.quartz-security.ro

SMART-TELECOM CONSULTINGhttp://www.smart-tc.ro

FAST ELECTRIChttp://www.bestwines.ro

ARC BRASOVhttp://www.arc.ro

MATRIX-ROMhttp://www.matrixrom.ro

We thank to ANCS and CNMP for financial support in the frame of PNCDI 2007-2013/contracts: #72_209.1.10.2008, #11_069 (PC 1379/14.09.2007 INTELPROT) and #71_114 (PC 1343/2007 OPTIMTRAF)

PAPERS PUBLISHING & AWARDS

The papers will be published in the ECAI proceedings. The best presented papers will be free published in the FETC Scientific Bulletin –Series: Electronics and Computer Science Journal (ISSN 1453-1119). Extended version of selected best papers presented to the ECAI’09 will be free published in the Mediterranean Journals (Electronics and Communicationswww.medjec.com/, Computer and Networks www.medjcn.com/ and Measurement and Control www.medjmc.com/) and in the International Journal of Internet Technology and Secured Transactions www.inderscience.com/ (5 per journal, after that extended papers will be further reviewed as normal). The best ECAI paper will be awarded with 200$ (IEC&IEEE sponsorship through theMediterranean Journals).

Editor in Chief: Sofron EmilProgram Chair and Proceedings Editor: Bizon Nicu

Text processing: Mihai Oproescu: No. 1 - ECAI & EWCBDPS KEYNOTE LECTURESIonescu Laurentiu: No. 2 - Electronic Circuits & Equipments Daniel Visan: No. 3 - Communications Cosmin Stirbu: No. 4 - Software & AI Corina Savulescu: No.5 - Bio-medical, Microwave & Environmental Applications

Local Organizing CommitteeConference web site: www.ecai.upit.ro ; E-mail: [email protected] ; Tel/Fax: 0040 0248 22 29 49 ; Fax: 0248 21 64 48

Monica ChiţăFlorin SmarandaCorina SavulescuPetre AnghelescuBadea Romeo

Marian Răducu Valeriu IonescuDaniel Visan Cioc BogdanMihai Oproescu

Series: ELECTRONICS, COMPUTERS and ARTIFICIAL

INTELLIGENCE – ECAI’09

UNIVERSITY OF PITEST I

& technical sponsorship

Proceedings of the International Conference on

ELECTRONICS, COMPUTERS and ARTIFICIAL INTELLIGENCE – ECAI’ 09

Series: ELECTRONICS, COMPUTERS and ARTIFICIAL INTELLIGEN CE

Number 1/ 2009 ISSN – 1843 – 2115

Continued from front cover

THE PROBLEM OF RELATIVE-ERROR APPROXIMATION AND ITS FUZZY SOLUTIONS

104

Horia N. Teodorescu

PHYSICS, INFORMATION AND EVOLUTION OF COMPUTERS 104

Mircea Petrescu

THE PRINCIPLES OF ARTIFICIAL PSYCHOLOGY IN COMMUNICATIONS AUTOMATA 104

Voukalis Dimitris

TECHNIQUES FOR SECURE COMMUNICATIONS 104

Charles A. Shoniregun

TECHNIQUES FOR COMMUNICATION AND SECURITY ISSUES 105

Voukalis Dimitris

THE FRACTAL NATURE OF NETWORK TRAFFIC 105

Maaruf Ali

IMPROVED NYQUIST FILTERS 105

Nicolae D. Alexandru

ECAI’09 reviewers list: Malihe Farsangi / IR / 4 / Cyril De Runz / FR / 3 / El Emary Ibrahiem / JO / 5 / Iskender Ires / TR / 3 / Pinker Jiri / CZ / 3 / Hakan Kuntman / TR / 2 / Milan Stork / CZ / 5 / Salem M. Abdel-Badeeh / EG / 5 / Ghassemlooy Zabih / UK / 2 / Patrick Coirault / FR / 4 / P. Ali-Zade / TR / 1 / Horia N. Teodorescu / RO / 5 / Andrei Marinescu / RO / 2 / Mihai Tarata / RO / 5 / Lojewski George / RO / 2 / Vasile Lazarescu / RO / 7 / Alexandru Nicolae Dumitru / RO / 9 / Buiu Catalin / RO / 6 / Gheorghe Ioan Sajin / RO / 13 / Stefan Simion / RO / 3 / Corneliu Talpalariu / RO / 4 / Dorel Aiordachioaie / RO / 4 / Paul Svasta / RO / 1 / Nicolae Militaru / RO / 2 / Mircea-Novac Stefanescu / RO / 12 / Emil Simion / RO / 5 / Ungureanu Mihaela / RO / 8 / Popa Ilie / RO / 10 / Ene / RO / 1 / Anton Constantin / RO / 9 / Mariana Jurian / RO / 10 / Ion Sima / RO / 11 / Dumitru Scheianu / RO / 7 / Gheorghe Gavriloaia / RO / 10 / Nicu Bizon / RO / 31 / Emil Sofron / RO / 8 / Lita Ioan / RO / 9 / Mihai Oproescu / RO / 15 / Daniel Visan / RO / 5 / Ion Tutanescu / RO / 8 / Naci Genc / TR / 4 / Adrian Zafiu / RO / 2 / Marian Raducu / RO / 2 / Luminita Constantinescu / RO / 1 / Stanescu Constantin / RO / 1 / Ionel Bostan / RO / 3 / Mazare Alin / RO / 3 / Ionescu Valeriu / RO / 3 /Goga Octavian Gabriel / RO / 2 / Petre Anghelescu / RO / 3 / Cosmin Stirbu / RO / 2 / Savulescu Corina / RO / 2 / Sebastian Marius Rosu / RO / 4 / Sorin Puscoci / RO / 1 / Monica Chita / RO / 2 / Mihaela Teodorescu / RO / 3 / Robert Beloiu / RO / 10

Contents

Number 1/ 2009 ISSN – 1843 – 2115

Series: ELECTRONICS, COMPUTERS and ARTIFICIAL INTELLIGENCE – ECAI’09

EDITORS - IN - CHIEF TAKESHI YAMAKAWA, EMIL SOFRON and HORIA N.L. TEODORESCU

ASSOCIATE EDITORS:

No. 1 - ECAI & EWCBDPS KEYNOTE LECTURES Gheorghe Şerban, Silviu Ioniţă No. 2 - Electronic Circuits & Equipments Milan Stork, Ires Iskender No. 3 - Communications Fary Z. Ghassemlooy, Dimitris Voukalis No. 4 - Software & AI Mircea Petrescu , Catalin Buiu No. 5 - Bio-medical, Microwave & Environmental App. Teodor Petrescu, Mihaela Ungureanu

VOLUME EDITOR: NICU BIZON

Text proccesing: MIHAI OPROESCU

EDITORIAL ADVISORY BOARD: Salem M. Abdel-Badeeh (Eg) Adrian Rusu (Ro) Dorel Aiordachioaie (Ro) El Emary M. Ibrahiem (Jo) Miguel Salmeron (USA) Nicolae D. Alexandru (Ro) Silviu Ioniţă (Ro) Dumitru Scheianu (Ro) Maaruf Ali (UK) Ires Iskender (Tk) Ion Sima (Ro) Horia Andrei (Ro) Mariana Jurian (Ro) Emil Simion ( Ro) Lucian Anton (Ro) Hakan Kuntman (Tk) Charles A. Shoniregun (Ca) Nicu Bizon (Ro) Vasile Lăzărescu (Ro) Emil Sofron (Ro) Gheorghe Barbu (Ro) Ioan Liţă (Ro) Milan Stork (Cz) Ion Bogdan (Ro) Mohamed Mahmoud (UK) Rodica Strungaru (Ro) Catalin Buiu (Ro) Andrei Marinescu (Ro) Iuliu Szekely (Ro) Dumitru Cocoru (Ro) Alexandru Morega (Ro) Harold Szu (USA) Patrick Coirault (France) Ioan Naforni ţă (Ro) Gheorghe Şerban (Ro) Lucian Constantinescu (Ro) Sergiu Nedevschi (Ro) Luca Dan Şerbănaţi (Ro) Lucien Dăscălescu (Fr) Constantin Negoita (USA) Alexandru Şerbănescu (Ro) Anthony C. Davies (UK) Ioan Nicolaescu (Ro) Mircea Ştefănescu (Ro) Daniela Dragomirescu (Fr) Stefan Victor Nicolaescu (Ro) Cengiz Taplamacioglu (Tk) Marin Dr ăgulinescu (Ro) Cornel Panait (Ro) Mihai Tarâţă (Ro) Ioan Dumitrache (Ro) Victor Valeriu Patriciu (Ro) Horia N. Teodorescu (Ro) Costin Dumitriu (Ro) Svasta Paul (Ro) Borangiu Theodor (Ro) Marius Enachescu (USA) Mircea Petrescu (Ro) Ion Tutănescu (Ro) Jaafar MH Elmirghani (UK) Teodor Petrescu (Ro) Nicolae Ţăpus (Ro) George Lojewski (Ro) Jiri Pinker (Cz) Nicolae Voicu (Ro) Gheorghe Gavriloaia (Ro) Ilie Popa (Ro) Dimitris Voukalis (Gr) Fary Z. Ghassemlooy (UK) Dumitru Popescu (Ro) Mihaela Ungureanu (Ro) Peter Hill (UK) Eugene Rovenţa (Canada) Takeshi Yamakawa (Japan) ECAI organizers: UNIVERSITY OF PITESTI (UP): IEEE ROMANIAN SECTION

Department of Electronics and Computers Research Centre for Systems and Processes' Modelling and

Simulation

ECAI co-organizers: Institute For Theoretical Informatics of the Romanian Academy , Iasi Branch National Institute for Inventics , Iasi

Military Technical Academy, Bucharest General Association of the Engineers - Arges Branch National Communications Research Institute, Bucharest Nuclear Research Institute, Piteşti

Edited by University of PITESTI ADDRESS: Street Târgu din Vale, No. 1, 110040, Piteşti, Argeş Romania Number 1/ 2009 ISSN – 1843 – 2115

Plenary Session P

Bio-medical applications S1 Artificial Intelligence S2 Electronic circuits and equipments S3 Continued at back cover

Contents

IDENTIFICATION OF EPILEPTOGENIC FOCUS BY EMPLOYING SOFTCOMPUTING AND ESTABLISHMENT OF MINIMALLY INVASIVE AND DEFINIT IVE SURGERY

1

Takeshi Yamakawa

TOWARDS INTEGRATED BIOLOGICALLY-INSPIRED COGNITIVE ARCHITECTURES

2

Catalin Buiu

NEW APPROACHES IN NONLINEAR DYNAMICS ANALYSIS OF COMPLEX SYSTEMS AND PROCESSES

9

Alexandru Serbanescu

INFORMATION SECURITY AND CRYPTOGRAPHY 23

Emil Simion

SYSTEM DESCRIPTION BASED ON TELLEGEN PRINCIPLE AND ABSTRACT STATE ENERGY

27

Milan Stork, Josef Hrusak, Daniel Mayer

ACTIVE FILTERING TECHNIQUES FOR FUEL CELL STACK CURRENT RIPPLE 33

Nicu Bizon

A REVIEW ON SINGLE-PHASE PFC CIRCUITS USED FOR MEDIUM AND HIGH POWER APPLICATIONS

44

Ires Iskender, Naci Genk

MODELING OF A HYBRID ENERGY SOURCE AS A MULTI-AGENT SYSTEM 54

Diaconescu Eugen

FREE SPACE OPTICS 58

Zabih Ghassemlooy

DISCRETE CHAOTIC SYSTEMS SYNCHRONIZATION AND SECURE DATA TRANSMISSION

59

Milan Stork

DISTRIBUTED INTELLIGENT AGENTS 65

Ilie Popa

SWARM OPTİMİZATİON BASED AUTOMATİC GENERATİON CONTROL İN A HYDROTHERMAL POWER SYSTEM İNCLUDİNG SMES UNİTS

67

Haluk Gozde, M.Cengiz Taplamacioglu

DYNAMIC INTELLIGENT TASK MAPPING FOR HETEROGENEOUS MPSOC APPLICATIONS

73

Nita Iulian, Lazarescu Vasile, Constantinescu Rodica

ON POSSIBILITIES TO NONINVASIVELY MONITOR THE NEUROMUSCULAR FATIGUE IN ISOMETRIC AND DYNAMIC CONTRACTION - IS THE WAVELET TRANSFORM THE ULTIMATE TOOL?

79

Mihai Tarata

SCIENTIFIC COMPUTING APPLICATIONS NEED HIGH PERFORMANCE COMPUTING 87

Emil Slusanschi

THE PRINCIPLE OF ELECTRIC POWER AND MAGNETIC ENERGY IN STATIONARY REGIME

91

Horia Andrei

Contents








Number 2/ 2009 ISSN – 1843 – 2115


FPGA IMPLEMENTATION OF A HOPFIELD NEURAL NETWORK FOR A REAL –TIME ASSOCIATIVE MEMORY

93

Ionescu Laurentiu Mihai, Mazare Alin, Serban Gheorghe, Anghelescu Petre

MODELING AND CONTROL OF DISTRIBUTED GENERATION SYSTEMS INCLUDING WIND AND GAS TURBINE ON AARBAIJAN ELEC. NETWORK

98

Farokh Fattahi ,N Rahmanov,A.M.Hashimov

SENSITIVITY COMPUTATION FOR ANALOG CIRCUITS 110

Mihai Iordache, Lucia Dumitriu, Catalina Popescu, Dragos Niculae

COMPANION MODELS FOR MULTI-RATE ANALYSIS OF INTEGRATED ANALOG CIRCUITS

115

Cătălina-Gabriela Popescu

THE DECISION OF PROBLEMS AT TRANSITION IN A ENERATING MODE OF THE STARTER-GENERATOR

122

Samira Khanakhmedova

GROUNDING OPTIMIZATION TECHNIQUES BASED ON THE NEW CONCEPT OF TOPOLOGICAL SCHEMA

125

Ovidiu Dragomirescu , Marieta Dragomirescu

3D TV/DISPLAY/APPLICATION DEVELOPMENTS 128

Alexandru Suciu

VIBRATION MONITORING FOR ELECTRICAL EQUIPMENT FAULTS DETECTION USING FAST FOURIER TRANSFORM

132

Iorgulescu Mariana , Beloiu Robert

MODELING AND SIMULATION OF AUTONOMOUS SYSTEMS FOR GENERATING ELECTRICITY USING WIND TURBINES

136

Badea Romeo-Vasile, Popa Ilie

ADVANCED ENCRYPTION STANDARD – RIJNDAEL ALGORITHM IMPLEMENTED ON FPGA

142

Petre Anghelescu, Silviu Ionita, Andrei Buruleanu

AN AREA-EFFICIENT FPGA-BASED IMPLEMENTATION OF RSA 146

Bîrleanu Florin Marian, Șerban Gheorghe, Sofron Emil

ADAPTING THE TRIGA PITESTI Q-SPACE FOCUSING CRYSTAL NEUTRON DIFFRACTOMETER FOR STRESS DETERMINATIONS

152

I. Ionita, Florescu Valeriu

ECAI’09 reviewers list: Malihe Farsangi / IR / 4 / Cyril De Runz / FR / 3 / El Emary Ibrahiem / JO / 5 / Iskender Ires / TR / 3 / Pinker Jiri / CZ / 3 / Hakan Kuntman / TR / 2 / Milan Stork / CZ / 5 / Salem M. Abdel-Badeeh / EG / 5 / Ghassemlooy Zabih / UK / 2 / Patrick Coirault / FR / 4 / P. Ali-Zade / TR / 1 / Horia N. Teodorescu / RO / 5 / Andrei Marinescu / RO / 2 / Mihai Tarata / RO / 5 / Lojewski George / RO / 2 / Vasile Lazarescu / RO / 7 / Alexandru Nicolae Dumitru / RO / 9 / Buiu Catalin / RO / 6 / Gheorghe Ioan Sajin / RO / 13 / Stefan Simion / RO / 3 / Corneliu Talpalariu / RO / 4 / Dorel Aiordachioaie / RO / 4 / Paul Svasta / RO / 1 / Nicolae Militaru / RO / 2 / Mircea-Novac Stefanescu / RO / 12 / Emil Simion / RO / 5 / Ungureanu Mihaela / RO / 8 / Popa Ilie / RO / 10 / Ene / RO / 1 / Anton Constantin / RO / 9 / Mariana Jurian / RO / 10 / Ion Sima / RO / 11 / Dumitru Scheianu / RO / 7 / Gheorghe Gavriloaia / RO / 10 / Nicu Bizon / RO / 31 / Emil Sofron / RO / 8 / Lita Ioan / RO / 9 / Mihai Oproescu / RO / 15 / Daniel Visan / RO / 5 / Ion Tutanescu / RO / 8 / Naci Genc / TR / 4 / Adrian Zafiu / RO / 2 / Marian Raducu / RO / 2 / Luminita Constantinescu / RO / 1 / Stanescu Constantin / RO / 1 / Ionel Bostan / RO / 3 / Mazare Alin / RO / 3 / Ionescu Valeriu / RO / 3 /Goga Octavian Gabriel / RO / 2 / Petre Anghelescu / RO / 3 / Cosmin Stirbu / RO / 2 / Savulescu Corina / RO / 2 / Sebastian Marius Rosu / RO / 4 / Sorin Puscoci / RO / 1 / Monica Chita / RO / 2 / Mihaela Teodorescu / RO / 3 / Robert Beloiu / RO / 10 /

Contents

Number 2/ 2009 ISSN – 1843 – 2115



ASSOCIATE EDITORS:



Text proccesing: LAURENTIU IONESCU



Simulation



Edited by University of PITESTI ADDRESS: Street Târgu din Vale, No. 1, 110040, Piteşti, Argeş, Romania

Number 2/ 2009 ISSN – 1843 – 2115

Plenary Session P


Contents

AES-128 ENCRYPTION /DECRYPTION IMPLEMENTATION ON RECONFIGURABLE HARDWARE (FPGA)

1

Paul Burciu, Ionuţ Mihai Sima

CUSTOM TEST SOLUTION FOR GALS MODULES IMPLEMENTED ON STRUCTURED ASIC PLATFORMS

7

Jipa Razvan

IMPROVING METHOD FOR MEASURING THE ELASTIC & VISCOUS BEHAVIOUR OF RUBBER

13

Popescu Marius Constantin, Petrisor Anca, Drighiciu Mircea Adrian

PRACTICAL IN-LOOP COMPENSATION OF A HYBRID AMPLIFIER DRIVING A CAPACITIVE LOAD

19

Radu Belea, Silviu Epure

ON THE MODELING OF THE SONAR TRANSMISSION SYSTEMS 27

Aiordăchioaie Dorel, Viorel Nicolau, Anisia Gogu

A HARDWARE PLATFORM FOR SONAR AND AUDIO SIGNAL PROCESSING 33

Mazarel Marius, Chiculita Claudiu, Frangu Laurentiu

ADAPTIVE HAZARD MANAGEMENT FOR REDUNDANT SAFETY SYSTEMS 37

Corneliu Talpalariu , Mihaela Talpalariu , Matei Corina

NEW TECHNOLOGIES IN THE MONITORING OF THE PRIMARY HEAT TRANSPORT SYSTEM WITHIN A NUCLEAR POWER REACTOR

41

George Matei, Mircea Crucean, Mariana Jurian

INVESTIGATING THE APPLICATION OF FUZZY LOGIC CONTROLLERS IN DG SYSTEM OF AZERBAIJAN NETWORK AND ITS EFFECT ON DISTANCE BETWEEN D.G SYSTEM AND NETWORK

49

Farrokh Fattahi, N Rahmanov,A.M.Hashimov

ANALYSIS OF CRITICAL MODE INTERLEAVED BOOST PFC CONVERTER 55

Naci Genc, Ires Iskender

EFFICIENCY OF CURRENT RIPPLE PASSIVE FILTERING TECHNIQUES FOR INVERTER SYSTEM SUPPLIED BY A FUEL CELL - MODELING AND SIMULATIONS

61

Oproescu Mihai, Bizon Nicu, Sofron Emil

EFFICIENCY OF CURRENT RIPPLE PASSIVE FILTERING TECHNIQUES FOR INVERTER SYSTEM SUPPLIED BY A FUEL CELL - EXPERIMENTAL RESULTS

67

Oproescu Mihai, Bizon Nicu, Sofron Emil

CALCULATION OF THE POWER CONVERTER MOVING WITH LEVITATION SCREEN 75

Abdullaev Ja.R., Mamedova G.V., Kerimzade G.S

THE EFFECT OF COMPRESSION RATIO IN REDUCTION OF NITROGEN OXIDES AND INCREMENT OF POWER IN A DL CI ENGINE USING FUZZY CONTROL

79

H.Samiee

MICROWAVE ABSORPTION STUDIES ON CONDUCTING NANOCOMPOSITES AS SIGNAL COATING MATERIALS

84

Mohammad Reza Saboktakin, Abel Maharramov, Mohammad Ali Ramazanov

STARTERING MODE OF THE STARTER-GENERATOR 88

Z.N. Musaev

Contents








Number 3/ 2009 ISSN – 1843 – 2115


Contents

Number 3/ 2009 ISSN – 1843 – 2115



ASSOCIATE EDITORS:



Text proccesing: DANIEL AL. VISAN



Simulation



Edited by University of PITESTI ADDRESS: Street Târgu din Vale, No. 1, 110040, Piteşti, Argeş, Romania Number 3/ 2009 ISSN – 1843 – 2115

Plenary Session P


Contents

SPECTRA OF SEVERAL HIGHER ORDER DC-FREE 1

Nicolae D. Alexandru

A PROPOSAL FOR RESEARCH AND DEVELOPMENT OF CRYPTOGRAPHIC STANDARDS

7

Mircea Andraşiu, Andrei-George Oprina, Emil Simion

ALERT CONFLICT RESOLUTION MODEL IN NETWORK SECURITY SITUATION AWARENESS SYSTEM

11

Charles A. Shoniregun, Yi-Tung F. Chan, Galyna A. Akmayeva

ATMOSPHERIC CHANNEL EFFECTS ON TERRESTRIAL FREE SPACE OPTICAL COMMUNICATION LINKS

17

W. Popoola, Z. Ghassemlooy, M. S. Awan, And E. Leitgeb

MODULATION RECOGNITION ALGORITHM USING ADAPTIVE THRESHOLDS 24

Viorel Grigore, Codrut Irimia, Mariana Jurian

MATLAB IMPLEMENTATION OF SECURE VOICE COMMUNICATION 28

Ionescu Valeriu, Ion Sima, Emil Sofron

CORPORATE NETWORK MANAGEMENT AS SUPPORT FOR VIRTUAL TEAMS WORK 34

Sebastian Marius Rosu, Marian Marius Popescu, Emil Sofron

PARALLEL ALGORITHMS FOR MATRIX-VECTOR MULTIPLICATION 40

Petre Anghelescu, Emil Sofron, Ilie Popa, Laurentiu Ionescu, Vasile-Gabriel Iana

MOBILE SECURED COMMUNICATIONS OVER PKI SOLUTIONS 46

Ţărmurean Daniel, Ţărmurean Florin

WALK-OFF EFFECT CONTRIBUTIONS TO NON-DEGENERATED FOUR-WAVE-MIXING NOISE IN OPTICAL TRANSMISSION SYSTEMS

53

Radu Dragomir, Sorin Puscoci

SOME CONSIDERATION ABOUT CLUTTER REMOVAL IN GPR 57

Ovidiu Catalin Gogot

VOICE SECURITY OVER GSM NETWORKS 61

Marian Buric

APPLIED ALGORITHMS FOR COMMUNICATIONS SECURITY PERSONAL IMPLEMENTATION OF SHA-1

67

Goga Octavian Gabriel

CODE DIVISION MULTIPLE ACCESS SYSTEM BASED ON CHAOS SPREADING SEQUENCE

74

Iulian Barbu, Emil Sofron, Catalin Ursea, Loredan Moloceniuc

SR-ARQ SYSTEM WITH BCH FOR DATA TRANSMISSION 78

Constantin Anton, Ion Sima, Emil Sofron, Ion Tutănescu, Cosmin Stirbu

MEDIUM ACCESS CONTROL LAYER FOR WIRELESS SENSOR NETWORKS BASED ON IMPULSE RADIO ULTRA WIDE BAND

82

Abdoulaye Berthe, Aubin Lecointre, Daniela Dragomirescu, Robert Plana

A HARDWARE BASED CRC MODULE FOR REAL TIME COMMUNICATION 86

Anton Constantin, Laurentiu Ionescu, Mazare Alin, Serban Gheorghe

ULTRA WIDEBAND SYSTEMS–A NEW TECHNOLOGY FOR COMMUNICATION 91

Negoiţă Marius, Moraru Cătălin

Contents








Number 4/ 2009 ISSN – 1843 – 2115

continued from front cover

COLOR-BASED IMAGE RETRIEVAL TECHNIQUE USING RELEVANCE FEEDBACK 105

Tudor Barbu, Adrian Ciobanu

ON THE APPLICATION OF GENETIC ALGORITHMS IN FINGER PRINTS REGISTRATION

109

Ibrahiem M.M. El-Emary, Mona M. Abd El-Kareem

TRANSACTION OVER VERSIONED OBJECTS IN HIERARCHICAL WORKSPACE ENVIRONMENT

119

Vladimir Jotov

COMPUTER PROGRAM FOR THE TREATMENT OF SPORTS INJURIES 123

Mihai Popescu

PATTERN RECOGNITION USING MOMENTS INVARIANCE TECHNIQUE 129

Ibrahiem M.M. El-Emary

METHOD OF FAULT DIAGNOSIS OF AN ELECTRONIC SYSTEM USING NEURAL NETWORKS

136

Cosmin Ştirbu, Constantin Anton, Alexandru Ene

ELECTRICAL CIRCUIT METHODS FOR HEAT TRANSFER COMPUTATION 140

Dragoş Niculae, Lucia Dumitriu, Mihai Iordache

WATER TRANSMISSION PARAMETERS IN THE NETWORK OF THE TOWN OF STEFANESTI – ARGES

144

Jurian Mariana, Savulescu Corina, Panait Cristian

THE K - M THEORY IN THE RADIANT ENERGY MANAGEMENT IMPROVING 149

Anghel Sorin, Topală Carmen

RECOGNIZING ONLINE PERSIAN CHARACTERS USING FEATURE EXTRACTION 153

Maryam Khademi, Alireza Nikookar, Aida Farahani

A HIERARCHY OF EMBEDDED SYSTEMS’ MODELS 159

Vincent Albert, Alexandre Nketsa

SELECTION OF THE LEARNING DATABASE ELEMENTS FOR EL-DORRA NEURAL NETWORK TECHNOLOGY

165

Omari Abdallah


Contents

Number 4/ 2009 ISSN – 1843 – 2115



ASSOCIATE EDITORS:


VOLUME EDITOR: NICU BIZON Text proccesing: COSMIN STIRBU

EDITORIAL ADVISORY BOARD:

Salem M. Abdel-Badeeh (Eg) Adrian Rusu (Ro) Dorel Aiordachioaie (Ro) El Emary M. Ibrahiem (Jo) Miguel Salmeron (USA) Nicolae D. Alexandru (Ro) Silviu Ioniţă (Ro) Dumitru Scheianu (Ro) Maaruf Ali (UK) Ires Iskender (Tk) Ion Sima (Ro) Horia Andrei (Ro) Mariana Jurian (Ro) Emil Simion ( Ro) Lucian Anton (Ro) Hakan Kuntman (Tk) Charles A. Shoniregun (Ca) Nicu Bizon (Ro) Vasile Lăzărescu (Ro) Emil Sofron (Ro) Gheorghe Barbu (Ro) Ioan Liţă (Ro) Milan Stork (Cz) Ion Bogdan (Ro) Mohamed Mahmoud (UK) Rodica Strungaru (Ro) Catalin Buiu (Ro) Andrei Marinescu (Ro) Iuliu Szekely (Ro) Dumitru Cocoru (Ro) Alexandru Morega (Ro) Harold Szu (USA) Patrick Coirault (France) Ioan Naforni ţă (Ro) Gheorghe Şerban (Ro) Lucian Constantinescu (Ro) Sergiu Nedevschi (Ro) Luca Dan Şerbănaţi (Ro) Lucien Dăscălescu (Fr) Constantin Negoita (USA) Alexandru Şerbănescu (Ro) Anthony C. Davies (UK) Ioan Nicolaescu (Ro) Mircea Ştefănescu (Ro) Daniela Dragomirescu (Fr) Stefan Victor Nicolaescu (Ro) Cengiz Taplamacioglu (Tk) Marin Dr ăgulinescu (Ro) Cornel Panait (Ro) Mihai Tarâţă (Ro) Ioan Dumitrache (Ro) Victor Valeriu Patriciu (Ro) Horia N. Teodorescu (Ro) Costin Dumitriu (Ro) Svasta Paul (Ro) Borangiu Theodor (Ro) Marius Enachescu (USA) Mircea Petrescu (Ro) Ion Tutănescu (Ro) Jaafar MH Elmirghani (UK) Teodor Petrescu (Ro) Nicolae Ţăpus (Ro) George Lojewski (Ro) Jiri Pinker (Cz) Nicolae Voicu (Ro) Gheorghe Gavriloaia (Ro) Ilie Popa (Ro) Dimitris Voukalis (Gr) Fary Z. Ghassemlooy (UK) Dumitru Popescu (Ro) Mihaela Ungureanu (Ro) Peter Hill (UK) Eugene Rovenţa (Canada) Takeshi Yamakawa (Japan) ECAI organizers: UNIVERSITY OF PITESTI (UP): IEEE ROMANIAN SECTION


Simulation




Number 4 / 2009 ISSN – 1843 – 2115

Plenary Session P


Contents

A KNOWLEDGE MANAGEMENT APPROACH IN THE VIRTUAL ENTERPRISE NETWORK ENVIRONMENT

1

Sebastian Marius Rosu, George Dragoi, Marius Guran, Costel Cotet, Luminita Rosu

E-LABORATORY FRAMEWORKS FOR AGENT BASED MODELING OF ENERGY MARKETS

7

Octavian Popescu, Eugen Diaconescu

THE USABILITY OF THE RESIDENT SOFTWARE AND HARDWARE IN SOME FEW APPLICATIONS FOR SIGNAL PROCESSING

13

Gheorghe Oproescu, Luiza Grigorescu

CALCULATION OF THE EQUIVALENT RELIABILITY FOR THE NON DECOMPOSED SYSTEMS USING THE GRAPHS THEORY

19

Cosmin Stirbu, Constantin Anton, Emil Sofron

CLASSIFICATION OF THE EMOTIONAL STATES IN SPEECH USING THE SROL DATABASE – PRELIMINARY RESULTS

27

Monica Feraru, Horia-Nicolai Teodorescu

A VARIATION OF THE RANDOM K-SAT MODEL 33

Călin Anton, Joseph Culberson

USING INTERNET CONNECTIVITY FOR IMPROVING PROSTHESIS DESIGN 39

Ionescu Valeriu, Zafiu Adrian, Panter Madalina

AVAILABILITY MODELING AND SIMULATION IN DATA GRID 47

Ghita Constantin, Popa Ilie

MORE EFFICIENT ATR SYSTEM USING THE DECISION FUSION ON AVAILABLE MULTISPECTRAL INFORMATION

53

Iulian-Constantin Vizitiu

AVAILABILITY MODELLING OF DEPLOYABLE COMUNICATION N ETWORKS 59

Ioan Palade

ACHIEVING HIGH COOPERATION IN SITUATED AGENTS 66

Salvador Ibarra, José A. Castán R., Julio Laria M., Manuel Malibran V.

MODELING BIOMETRIC SYSTEMS USING UML LANGUAGE 71

Sorin Soviany, Mariana Jurian, Sorin Puşcoci, Gheorghiţă Pescaru

USING IMAGE PROCESSING TECHNIQUES FOR NOISE REDUCTION IN RECURRENCE PLOTS

77

Bîrleanu Florin Marian, Serban Gheorghe, Sofron Emil

IMAGE COMPRESSION PERFORMANCE WITH WDR ALGORITHM 83

Brebeanu Dumitru, Jurian Mariana, Burcea Oana, Doagă Gabriel, Voiculescu Toni, Boşcănici Valentin

SQL INDEX PREDICTION AND OPTIMZATION USING NEURAL NETWORS IN ADVANCED INTEGRATION SYSTEMS

88

Vasile Cornita, Rodica Strungaru, Sever Pasca

EVALUATION OF THE TEMPERATURE DISTRIBUTION INTO A CPU COOLER USING FINITE ELEMENT METHOD

92

Cazacu Dumitru, Iordache Mihai, Mocanu Mihai

EDUCATIONAL MULTIMEDIA APPLICATIONS 96

Pop Cristina

CORRECT REGENERATION OF THE NUMERICAL SIGNALS 101

Gheorghe Oproescu, Luiza Grigorescu

Contents








Number 5/ 2009 ISSN – 1843 – 2115


DEVELOPER-SUPPLIED PROGRAMMING LIBRARIES 89

Stefanescu Mircea Novac

COST ANALYSIS OF DIFFERENT PROTOCOLS FOR IMAGING A PATIENT WITH ACUTE FLANK PAIN

94

Man George Mihail, Dana Mihaela Costache

CONFOCAL LASER ENDOMICROSCOPY – A MODERN DIAGNOSTIC METHOD IN TELEPATHOLOGY

100

Dana Mihaela Costache, Man George Mihail

COEXISTENCE OF SCHIZENCEPHALY AND MIDDLE CRANIAL FOSSA ARACHNOID CYST: A REPORT OF TWO PATIENS

103

Dana Mihaela Costache, Man George Mihail

IMPLEMENTING THE TELEMONITORING SYSTEM CARDIPLUS – SPAIN IN ROMANIAN ARGEŞ-COUNTY HEALTHCARE SYSTEM – AS A PILOT STATION

106

Man George Mihail, Man Aurelia, Tase Adrian, Bajan Flavius, Sitaru Gheorghe

MEDICAL INFORMATICS SECURITY 109

Stefanescu Mircea Novac

DESIGN AND OPTIMIZATION OF MICROSTRIP BANDPASS FILTERS WITH MULTIPLE COUPLINGS

116

Lojewski George, Militaru Nicolae, Banciu Marian Gabriel

COMPARISON OF SARS INDUCED INSIDE A HOMOGENEOUS HUMAN LIVER 120

Buleandra Alina, Petrescu Teodor

APPLIED WEBMAPPING IN GROUNDWATER MONITORING - A HYDROGEOLOGICAL WEBMAPPING GEOPORTAL -

124

Constantin Radu Gogu , Dragos Gaitanaru , Anghel Leonard, Ionut Iosifescu Enescu, Ion Nedelcu

A POINT OF VIEW REGARDING WEB SERVICES-BASED INFRASTRUCTURE FOR GEOSPATIAL INFORMATION

130

Angela Ionita, Adrian Zafiu, Radu Gogu, Marius Enache

DECISION SUPPORT SYSTEM FOR GROUNDWATER ARTIFICIAL RECHARGE BASED ON ALTERNATIVE SOURCES OF WATER FOR SEMI-ARID REGIONS

140

Angela Ionita, Dragos Gaitanaru, Constantin Radu Gogu

A DETAILED MODEL FOR PV SIMULATION AND MPP TRACKING WITH TREE POINTS

148

Zafiu Adrian, Ionescu Valeriu, Bizon Nicu, Ghita Constantin, Oproescu Mihai

ECAI’09 reviewers list: Malihe Farsangi / IR / 4 / Cyril De Runz / FR / 3 / El Emary Ibrahiem / JO / 5 / Iskender Ires / TR / 3 / Pinker Jiri / CZ / 3 / Hakan Kuntman / TR / 2 / Milan Stork / CZ / 5 / Salem M. Abdel-Badeeh / EG / 5 / Ghassemlooy Zabih / UK / 2 / Patrick Coirault / FR / 4 / P. Ali-Zade / TR / 1 / Horia N. Teodorescu / RO / 5 / Andrei Marinescu / RO / 2 / Mihai Tarata / RO / 5 / Lojewski George / RO / 2 / Vasile Lazarescu / RO / 7 / Alexandru Nicolae Dumitru / RO / 9 / Buiu Catalin / RO / 6 / Gheorghe Ioan Sajin / RO / 13 / Stefan Simion / RO / 3 / Corneliu Talpalariu / RO / 4 / Dorel Aiordachioaie / RO / 4 / Paul Svasta / RO / 1 / Nicolae Militaru / RO / 2 / Mircea-Novac Stefanescu / RO / 12 / Emil Simion / RO / 5 / Ungureanu Mihaela / RO / 8 / Popa Ilie / RO / 10 / Ene / RO / 1 / Anton Constantin / RO / 9 / Mariana Jurian / RO / 10 / Ion Sima / RO / 11 / Dumitru Scheianu / RO / 7 / Gheorghe Gavriloaia / RO / 10 / Nicu Bizon / RO / 31 / Emil Sofron / RO / 8 / Lita Ioan / RO / 9 / Mihai Oproescu / RO / 15 / Daniel Visan / RO / 5 / Ion Tutanescu / RO / 8 / Naci Genc / TR / 4 / Adrian Zafiu / RO / 2 / Marian Raducu / RO / 2 / Luminita Constantinescu / RO / 1 / Stanescu Constantin / RO / 1 / Ionel Bostan / RO / 3 / Mazare Alin / RO / 3 / Ionescu Valeriu / RO / 3 /Goga Octavian Gabriel / RO / 2 / Petre Anghelescu / RO / 3 / Cosmin Stirbu / RO / 2 / Savulescu Corina / RO / 2 / Sebastian Marius Rosu / RO / 4 / Sorin Puscoci / RO / 1 / Monica Chita / RO / 2 / Mihaela Teodorescu / RO / 3 / Robert Beloiu / RO / 10 /

Contents

Number 5/ 2009 ISSN – 1843 – 2115



ASSOCIATE EDITORS:



Text proccesing: CORINA SAVULESCU



Simulation




Number 5/ 2009 ISSN – 1843 – 2115

Plenary Session P


Contents

EPILEPTOGENIC EEG MONITORING AND BRAIN STIMULATION USING A MULTIFUNCTIONAL MICROPROBE FOR MINIMALLY INVASIVE BRAIN SURGERY

1

Toshitaka Yamakawa, Takeshi Yamakawa, Michiyasu Suzuki, Masami Fujii

EMOTIONAL STATES RECOGNITION IN SPEECH IN ROMANIAN – DIFFERENCES BETWEEN MALE AND FEMALE SPEAKERS

5

Teodorescu Horia-Nicolai, Pistol Laura

NOISE SENSITIVITY OF QRS DETECTION ALGORITHMS 11

D. Ţarălungă, W. Wolf, R. Strungaru, I. Gussi, C. Dutescu, M. Ungureanu

APPLICATION OF THE NESTED MONTE CARLO EXPECTATION MAXIMIZATION ALGORITHM FOR PREDICTING THE HEART BEATS IN ECG SIGNALS

19

Cristina Popescu

THE CONTRIBUTION OF THE APICAL LOW THRESHOLD CA2+ CURRENTS TO THE REBOUND BURST GENERATION IN LAYER 5 BURST FIRING NEOCORTICAL NEURONS

24

Otilia Păduraru

MICROWAVE INVESTIGATION OF THE SCATTERING PARAMETERS FOR DIFFERENT TYPES OF METAMATERIALS

36

Mihai Iulia Andrea, Petrescu Teodor, Banciu Marian Gabriel

MICROWAVE PROPAGATION THROUGH SOME LEFT HANDED STRUCTURES 40

Mihai Iulia Andrea, Banciu Marian Gabriel, Militaru Nicolae , Lojewski George , Petrescu Teodor

ANALYTICAL AND NUMERICAL ANALYSIS OF A FREQUENCY DOUBLER BASED ON NON-LINEAR COMPOSITE RIGHT-/LEFT-HANDED CELLS

44

Stefan Simion

MICROSTRIP FILTERS WITH MULTIPLE CROSS-COUPLINGS AND MAXIMUM NUMBER OF ATTENUATION POLES

50

Lojewski George, Militaru Nicolae, Banciu Marian Gabriel

ACTUATION COMMAND CIRCUIT FOR 60GHZ RF MEMS PHASE SHIFTERS 54

Thomas Beluch, Vincent Puyal, Daniela Dragomirescu, Robert Plana

TENDENCIES IN THE INTRODUCTION OF MULTIMEDIA APPLICATIONS IN ROMANIAN LIBRARIES

58

Voinicu Mihaela

DRINKING WATER QUALITY MONITORING SYSTEM 62

Panait Cristian, Savulescu Corina

THE ANALYSIS OF AMPLITUDE CORRECTOR CIRCUIT USING VIRTUAL INSTRUMENTATION

69

Rodica-Mihaela Teodorescu, Monica-Anca Chita

INVESTIGATION OF ACOUSTIC RESONANCE FREQUENCIES FOR A GEOMETRIC MODEL OF THYROID GLAND

75

Gavriloaia Gheorghe

VIRTUAL INSTRUMENTATION FOR SIGNAL PROCESSING IN SOFTWARE DEFINED RADIOS

81

Ioan Lita, Mariana Jurian, Daniel Alexandru Visan, Ion Bogdan Cioc, Elena Cioc

APPLICATION FOR MONITORING OF MEASURED PARAMETERS OVER INTERNET 85

Cioc Ion Bogdan, Lita Ioan, Visan Daniel Alexandru, Jurian Mariana, Cioc Elena

Contents

ECAI 2009 - International Conference – 3rd Edition Electronics, Computers and Artificial Intelligence

3-5 July, 2009, Piteşti, ROMÂNIA

Identification of Epileptogenic Focus by Employing Softcomputing and Establishment of Minimally

Invasive and Definitive Surgery

Takeshi YAMAKAWA Department of Brain Science and Engineering,

Faculty of Life Science and Systems Engineering, Kyushu Institute of Technology

2-4, Hibikino, Wakamatsu, Kitakyushu 808-0196, Japan [email protected]

Towards Integrated Biologically Inspired Cognitive

Architectures

Cătălin Buiu Dept. of Automatic Control and Systems Engineering

”Politehnica” University of Bucharest, Romania [email protected]

Keywords: cognitive architecture, membrane computing, mobile robot

Abstract. A cognitive architecture includes those aspects of a

cognitive system that are relatively invariant across time, domains, and individuals. Biological systems are meaningful sources inspiration on how to design and implement such architectures. Various neuroscience theories and principles have been implemented in specific cognitive architectures, but the resulted abilities are rather specialized for different modal problems than integrated. This paper presents a research initiative funded by the Romanian Government aiming at developing an integrated cognitive architecture with biological inspirations. One of the proposed innovations brought by this endeavor is that it proposes the use of symbolic and numerical P systems (or membrane computing) which are computational models of the biomembrane system of a living cell. A first application of P systems in controlling mobile robots is presented.

NEW APPROACHES in NONLINEAR DYNAMICS ANALYSIS

of COMPLEX SYSTEMS and PROCESES

Alexandru Serbanescu*), Leonardo Cernaianu*), Cosmin Ivan**) *) Military Technical Academy Bucharest, România

** ) PETROM S.A. Piteşti, România

Keywords: chaotic system, recurrence plot, unstable periodic orbits, speech segmentation, pitch identification, digital modulated signals.

Abstract: This paper reports on the application to field

measurements of time series methods developed on the basis of theory of deterministic chaos. Recent progress in detection and understanding of nonstationrity is reported. Recurrence plots form an efficient



strategy for both visualizing and quantify nonlinear spatiotemporal dynamics of complex systems. For example, we suggest that the unstable periodic orbits embedded in a chaotic attractor are a useful basis set for the geometry of a recurrence plot of those data. This provides to locate unstable periodic orbits in chaotic time series data.

FREE SPACE OPTICS

Zabih GHASSEMLOOY

School of Computing, Engineering & Information Sciences, University of Northumbria, Newcastle, UK

[email protected]

INFORMATION SECURITY AND CRYPTOGRAPHY

Emil Simion

Associate Researcher at “Simion Stoilow” Institute of Mathematics of the Romanian Academy,

P.O. Box 1-764, 014700 Bucharest, Romania 010702-Bucharest, Sector 1

[email protected]

Keywords: FIPS 140-2, ISO 15408, security evaluation, crypto modules

Abstract. In this talk we make a survey on FIPS 140-2 (Security

requirements for cryptographic modules) and ISO 15408 (Common Criteria for information Technologies Security Evaluation) and connection between this two standards.

System Description Based on Tellegen Principle and Abstract State Energy

Milan Stork1), Josef Hrusak1), Daniel Mayer2)

1) Department of Applied Electronics and Telecommunications 2) Department of Theory of Electrical Engineering

University of West Bohemia, Plzen, Czech Republic [email protected], [email protected], [email protected]

Keywords: Dissipativity, conservativity, state energy, stability,

chaoticity, Tellegen’s principle,

Abstract: The paper deals with a new problem of physical correctness detection in the area of strictly causal system representations. The proposed approach to the problem solution is based on generalization of Tellegen’s theorem well known from electrical engineering. Consequently, mathematically as well as physically correct results are obtained. The contribution is mainly concerned with presentation of a new structural approach to analysis and synthesis of linear and non-linear causal systems. It has been proven that complete analysis of instability, conservativity,



dissipativity, anti-dissipativity, stability, asymptotic stability and chaoticity reduces to two independent tests: the monotonicity test of abstract state space energy and that of complete state observability, evtl. of its dual, i.e. complete state controllability property.

Active filtering techniques for fuel cell stack current ripple

Nicu BIZON

University of Pitesti Targu din Vale, Nr. 1 [email protected]

Keywords: fuel cell, current ripple, inverter system, modelling

Abstract. This paper presents an investigation of the inverter

current ripple produced by AC load, and its effects on fuel cell using as DC energy source. Different control methods for DC-DC power interface are used for limit the fuel current ripple. The low pass filter used at low and high DC input of DC-DC converter bus must be carefully designed, too. The simulation results show that boost power interface can reduce the fuel cell current ripple, but the overall energy efficiency decrease a little bit. The used Simulink models for the power converter blocks, some design consideration and experimental results are presented, too.

A REVIEW ON SINGLE-PHASE PFC CIRCUITS USED FOR MEDIUM AND HIGH POWER APPLICATIONS

Ires ISKENDER Naci GENC

Department of Electrical-Electronics Engineering Gazi University, ANKARA/TURKEY

[email protected] [email protected]

Keywords; AC-DC boost, power quality, PFC.

Abstract; New recommendations and future standards have increased the interest in power factor correction (PFC) circuits. Solid-state switch-mode rectification converters have reached a matured level for improving power quality in terms of PFC, reduced total harmonic distortion at input ac mains and precisely regulated dc output in buck, boost, buck–boost and multilevel modes with unidirectional and bidirectional power flow. This paper deals with a comprehensive review on single-phase boost PFC circuits used for medium and high power applications. The major advantages and disadvantages of these circuits are highlighted. In this study, the boost and interleaved boost type topologies are introduced and the results of the simulation studies are recorded and compared. By this way, a deeper understanding of single-phase boost type PFC topologies used in medium and high power applications is obtained. This work is expected to be useful for researchers who are interested in studying and researching power quality and single-phase boost PFC circuits.



Modeling of a Hybrid Energy Source as a Multi-Agent System

Eugen DIACONESCU1,

[email protected] Emilian LEFTER1,

Octavian POPESCU2

1-University of Pitesti, 2-Siemens SRL Bucuresti

Keywords: hybrid source, hybrid electric vehicle, multi-agent system, energy management

Abstract. Over the past several years, reduction of reserves and increasing fuel prices have revived the interest for electrical and hybrid vehicles. The diversification and combination of energy sources inside the same vehicle has proved that an overall reduction of consumption and noxious gas emissions are possible. That development has generated creativity both in the hybrid source design and in its management system principles. The complexity of the system considers both conventional management theories and new proposals for strategies using newer algorithms and computer science methods such as artificial intelligence. In this work a model of hybrid energy source, based on a multiagent system is presented.

Discrete Chaotic Systems Synchronization

and Secure Data Transmission

Milan Stork Department of Applied Electronics and Telecommunications

University of West Bohemia, Plzen, Czech Republic [email protected]

Keywords: Discrete systems, chaotic systems, hyperchaotic,

synchronization, simulation, coupled nonlinear systems. Abstract: A number of methods have been proposed for

synchronizing chaotic systems. The most widely used methods are continuous synchronization schemes. In a continuous synchronization scheme, chaotic systems are coupled to each other continuously such that synchronization errors can be controlled within a given range or converge to zero. In this paper, chaos synchronization in coupled discrete-time dynamical systems is studied. Especially, practical impulsive synchronization scheme for 3 discrete time chaotic systems is proposed. Simulation results finally demonstrate the effectiveness of the method. Experimental results show that chaotic and hyperchaotic systems can be synchronized by impulses sampled from one or two state variables. The impulsive synchronization can be applied to almost all chaotic and hyperchaotic systems even in the case when continuous synchronization systems fail to work. The example of data transmission based on simple discrete-time chaotic systems is also presented.



DISTRIBUTED INTELLIGENT AGENTS

POPA Ilie University of Pitesti,

Electronics and Computers Department, Street Targul din Vale, No. 1, Pitesti, Arges, 110040, Romania

[email protected]

Keywords: software agent, multi-agent systems, collaboration learning agents, distributed artificial intelligence, distributed problem solving

A SWARM OPTIMIZATION BASED AUTOMATIC GENERATION CONTROL IN A

HYDROTHERMAL POWER SYSTEM INCLUDING SMES UNITS

Haluk GOZDE, M.Cengiz TAPLAMACIOGLU

Gazi University Electrical & Electronics Engineering Department

[email protected], [email protected]

Keywords: Automatic generation control, PSO, Hydrothermal power systems, Self-tuning PI-controller, SMES units

Abstract. In this paper, the use of constriction factor approach

particle swarm optimization (CFA-PSO) for optimizing the parameters of a cost function and a proportional-plus-integral (PI) controller which are used in automatic generation control (AGC) of a two-area power system including superconducting magnetic energy storage (SMES) units is presented. The proposed controller is applied to power systems include two areas having a steam turbine and a hydro turbine tied together through tie lines. Time domain simulations are used to study the performance of the power system. At the results of the simulations, the proposed optimum self-tuning PI-controller improves the dynamic performances of two-area hydrothermal power system including nonlinearities.

Dynamic intelligent task mapping for heterogeneous MPSoC applications

NITA Iulian, LAZARESCU Vasile, CONSTANTINESCU

Rodica “Polytechnics” University of Bucharest No. 1-3 Iuliu Maniu, 061071, Bucharest, Romania,

[email protected], [email protected], [email protected]

Keywords: MPSOC, OVPSim, IP core ARM7, IP core MIPS32

Abstract. Heterogeneous MPSoC have been recently proposed as

a solution for improving the dedicated systems performances that requires a high computing range and in the same time a low energy



consume. These requirements mostly depend on the used hardware resources and also on a proper programming strategy in order to obtain maximum efficiency from the optimum mapping of tasks on each available hardware resource. The presence of a large number of different processing cores on a single chip allows a high degree of parallelism. Using some intelligent algorithms for task mapping may determine, in some situations, improved performance and in the same time a lower energy consume. We used an Open Virtual Platform to simulate a multiprocessor system on chip architecture and some mapping algorithms for parallel application .

On possibilities to noninvasively monitor

the neuromuscular fatigue in isometric and dynamic contraction - is the Wavelet Transform the ultimate

tool?

Mihai T Tarata Medical Informatics, University of Craiova

Str. Petru Rares 2, Craiova 200349, Romania [email protected]

Keywords: neuromuscular, fatigue, EMG, MMG, FFT, wavelet

Abstract. The paper explores the possibilities of monitoring

noninvasively the neuromuscular fatigue via the electromyographic and the mechanomyographic signals, essentially related to the muscle contraction and intimately mirroring muscle activation and contraction mechanisms. The paper introduces conceptually the neuromuscular fatigue and its central component, then discusses in historical order the Fast Fourier Transform-based and Wavelet Transform-based techniques on the international arena and through original work. An original technique - the Area/Amplitude Ratio (Raa) - is introduced and comparatively discussed, as a practical alternative technique to monitoring the neuromuscular fatigue in a dynamic contraction.

Scientific Computing Applications Need High Performance Computing

Emil Slusanschi

Computer Science and Engineering Department University Politehnica of Bucharest

Splaiul Independentei 313, Sector 6, 060042 Bucharest, Romania [email protected]

Keywords: scientific computing, high performance computing,

numerical modeling, HPCC, HPL

Abstract. This paper presents some insights into the world of scientific computing, and its need of high performance computing platforms and programming techniques. Scientific computing is different from computer science. Computer science is the science of computation, like the invention of efficient sort, compression and search algorithms, or special techniques for parallel programming.



Scientific computing on the other hand is dealing with the uses of computation, rather than of theorizing or experimentation, to attain scientific knowledge. Computational science, as we show in this paper, has been made possible, mainly by the development of high-speed computer and parallel computation techniques, and is still regarded to be in the first stages of development. Specifically, we present the results obtained with the HPC Challenge Benchmark and the HPL – High Performance Linpack Benchmark on the NCIT Cluster at the Computer Science Department of the University Politehnica of Bucharest, breaking for the first time in our University the 1 Teraflops barrier. This machine is a valuable tool for all scientists doing research in High Performance Computing, Distributed Systems and Applications or developing Scientific Computing Applications, by offering them unprecedented performance levels.

Minimum Dissipated Power and Energy - Two General Principles of the Linear Electric and

Magnetic Circuits in Quasi-Stationary Regime

HORIA ANDREI Faculty of Electrical Engineering

University Valahia Targoviste 18-20 Blv. Unirii, Targoviste, Dambovita

ROMANIA Email: [email protected] http://www.valahia.ro

Abstract: - The use of the power functional in the analysis of the

electric and magnetic circuits makes it possible to appreciate the equilibrium state attained in the circuit at a certain moment. In the present work, a power functional is built for a circuit in steady-state conditions and its limit is determined. It is shown that the minimum of this functional corresponds to the minimum dissipated power in the circuit. Some applications to electric circuits and magnetic are shown.

Key-Words: - electric circuits, magnetic circuits, stationary regime, dissipated power, Hilbert space, minimum of functionals.

THE PROBLEM OF RELATIVE-ERROR APPROXIMATION AND ITS FUZZY

SOLUTIONS

Horia N. TEODORESCU Institute of Computer Science of the Romanian Academy, Iaşi Branch

Blvd. Carol I 22A, 700505, Iaşi, România [email protected]

PHYSICS, INFORMATION AND EVOLUTION

OF COMPUTERS

Mircea PETRESCU University Politehnica of Bucharest, Bucharest, Romania



[email protected]

THE PRINCIPLES OF ARTIFICIAL PSYCHOLOGY IN COMMUNICATIONS

Dimitris VOUKALIS

Technical Educational Institute, Dept of Computer Science, Pireas, Greece

Thivon 250 & P. Ralli 12244 Aegaleo- Athens, GREECE [email protected]

TECHNIQUES FOR SECURE COMMUNICATIONS

Charles A. SHONIREGUN

Sheridan Institute of Technology and Advanced Learning, Canada 430 Trafalgar Road,Oakville, ON Canada L6H 2L1

[email protected]

TECHNIQUES FOR COMMUNICATION AND SECURITY ISSUES

Dimitris VOUKALIS

Technical Educational Institute, Dept of Computer Science Pireas, Greece

Thivon 250 & P. Ralli 12244 Aegaleo- Athens, GREECE [email protected]

THE FRACTAL NATURE OF NETWORK TRAFFIC AUTOMATA

Ali MAARUF

Oxford Brookes University, UK 105 Saxton Road

[email protected]

IMPROVED NYQUIST FILTERS

Alexandru D. NICOLAE Gh. Asachi” Technical University of Iaşi Bd. Carol I No.11 700506 Iaşi Romania

[email protected]



Aes-128 Encryption/Decryption Implementation On Reconfigurable Hardware (FPGA)

Paul BURCIU, Ionuţ Mihai SIMA

University of Piteşti E-mail: [email protected]

E-mail: [email protected]

Keywords: hardware implementation, cryptographic algorithm, FPGA platform, cryptographic module, AES-128, VHDL code, hardware simulation.

Abstract. This paper presents a new hardware implementation

for the enciphering/deciphering blocks of AES-128 (Advanced Encryption Standard) symmetric cryptographic algorithm, using VHDL programming language and a hardware simulation of the resulted modules.

Custom test solution for GALS modules

implemented on structured ASIC platforms

JIPA Razvan Electronics & Computer Dept, “Transilvania” University of Brasov

Politehnicii No 1, Room N II 13, Brasov, 500024 [email protected]

Keywords: GALS, structured ASIC, channel latency, test, serial

protocol

Abstract. The paper presents a custom solution for accessing and testing asynchronous resources part of a GALS (Globally Asynchronous Locally Synchronous) architecture implemented on a “structured ASIC” platform – GALS-SA. The proposed solution offers means to determine the transfer latency of asynchronous channel between synchronous islands and offers support for future development of any desired test required to characterize and validate the platform.

Improving Method For Measuring The Elastic & Viscous Behaviour Of Rubber

POPESCU Marius Constantin, PETRISOR Anca,

DRIGHICIU Mircea Adrian University of Craiova

Facultatea de Inginerie în Electromecanică, Mediu şi Informatică Industrială B-dul Decebal, nr.107, 200440-Craiova, Dolj, Romania


Keywords: automation, system, microcontroller, measure, bridge, interface

Abstract. This paper shows how to start from a device that

measures elastic modulus of rubber during vulcanization (elastic



behavior only), we can obtain elastic modulus, viscous modulus and tangent δ withing an acquisition of a signal from a measuring bridge of the device with a microcontroller system coordinating by the PC. This application is made in Labview National Instruments environment.

Practical In-Loop Compensation of a Hybrid Amplifier Driving a Capacitive Load

Radu BELEA, [email protected]

Silviu EPURE, [email protected] ”DUNAREA DE JOS” University of Galati

Electrical and Electronics Engineering Faculty

Keywords: operational amplifier, hybrid amplifier, modulus criteria, phase margin capacitive load, out-of-loop compensation, in-loop

compensation

Abstract. In most cases the capacitive load is not intentionally added, most often it is an unwanted parasitic. In our case the load is an ultrasound transducer that require high-voltage and high-frequency driver. This driver is a hybrid amplifier with negative feedback. Any additional active component introduces at least one supplementary pole in the open loop transfer function. So the hybrid amplifier always haves stability problems.

On the modeling of the SONAR transmission systems

AIORDĂCHIOAIE Dorel, NICOLAU Viorel, GOGU Anisia

Dunărea de Jos Galaţi University Electronics and Telecommunications Department

Domnească-47, Galaţi –800008, România Tel. / Fax: +40-236-470905

Email: [email protected]

Keywords: Sonar, modeling, simulation, signal processing

Abstract. The objective of the paper is related to the description of the basic blocks which are involved - at the primary raw level modeling - of an in air sonar system, by representation functions of s, ω or t, i.e. as transfer functions or impulse response functions, for linear parts. The objectives of the modeling are echolocation, object recognition and classification based on sonar images. A short analysis of the modeling problems is presented in order to refine the models and to provide suitable solutions.



A Hardware Platform for Sonar and Audio Signal Processing

MAZAREL Marius, CHICULITA Claudiu, FRANGU Laurentiu

University "Dunarea de Jos" of Galati, Romania [email protected]

Keywords: embedded systems, sonar, microphone array

Abstract. The paper presents an embedded solution to the on-line processing of sonar and audio signals. It consists in a hardware platform, based on two powerful DSP core-modules and the appropriate software for acquisition, transfer and processing. The hardware platform contains the sound transducers (microphone array), the preamplifiers, the AD converters and the DSP modules. It allows two simultaneous channel sampling up to 1.5 Msamples/sec and performs a FFT on 1024 samples in 25 microseconds. The platform is intended to be used for autonomous robot orientation, sonars, sound sources detection and separation and any other applications that require on-line acoustic data processing. The paper also presents some experiments that validated the expected performances of the platform.

ADAPTIVE HAZARD MANAGEMENT FOR REDUNDANT SAFETY SYSTEMS

[1]TALPALARIU Cornel, [2]TALPALARIU Mihaela, [1]MATEI Corina

[1] Institute of Nuclear Research, Mioveni, Str. Campului Nr.1, Romania

[2] Universitatea Politehnica Bucuresti [email protected]

Keywords: recovery functions, critical trip decisions, transients

irrational states

Abstract: In this paper are presented some results obtained through safety and reliability of redundant adaptive systems using error detection and recovery function, structure and trip logic adaptation and entire system resources management . The equations obtained describe the reliability function for safety decisions in in redundant adaptive systems .The theoretical and experimental results are presented finally using complex reliability indicators diagram.

New Technologies in the Monitoring of the Primary Heat Transport System within a Nuclear Power

Reactor

George MATEI*, Mircea CRUCEAN*, Mariana JURIAN** *Institute for Nuclear Research-Pitesti, No. 1, Campului street,

115400 Mioveni, Romania



**University of Pitesti, Department of Electronics and Computers, No. 1, Targul din Vale street, 110040 Pitesti, Romania

e-mail: [email protected] , [email protected] [email protected]

Keywords: gamma spectrometry, radioisotope, gross gamma rate, photopeak, failed fuel, noble gases Abstract: In this paper are presented three detection systems of the failed nuclear fuel within a nuclear power reactor. The systems contain the latest hardware spectrometer modules in this field, such as: TRUMP 8k, digiBase, and DSPEC Pro. The first system is an analogical failed fuel spectrometer for HPGe detector (GFP –Monitor) and the other two are digital failed fuel spectrometers for HPGe and NaI(Tl) detectors (DGFP –Monitor). The GFP-Monitor and DGFP-Monitor are completely integrated systems that acquire spectra, track activity levels in user-defined region of interest, carry out advanced spectral analysis, which including fast peak search, nuclide identification, and instant peak activity calculation, and automatically perform calibration checks. All this activity are carry out by a application software running on local PC.

Investigating the application of Fuzzy logic

controllers in DG system of Azerbaijan network and its effect on distance between D.G system and

network

Farrokh Fattahi1 , N Rahmanov2 ,A.M.Hashimov2 Azarbaijan educational and Research complex affilicated to Islamic Republic of Iran1

(BP-Azarbaijan). (Azarbaijan Power Research Institute). (Academy Of Science) 2 [email protected]

Abstract: In this paper first we shall introduce gas and wind

power plants and at the end we shall simulate a gas-wind complex power plant in Azerbaijan network. Simulations are performed for two different cases such as without fault and with a 3-phase fault in one bus.In order to see the effect of distance in Fuzzy logic controllers, the voltage an current diagrams for all of the buses has been illustrated. All the simulations have been performed using Matlab Simulink software in case of having a Fuzzy logic controller..

Analysis Of Critical Mode Interleaved Boost PFC Converter

Naci GENC Ires ISKENDER

Department of Electrical-Electronics Engineering Gazi University, ANKARA/TURKEY

[email protected] [email protected]

Keywords; Interleave, CRM PFC.



Abstract; Interleaved boost power factor correction (PFC) pre-regulators that increase power rating and reduce inductor size are generally required in medium and high power applications. This paper presents a review of the control strategy applied to interleaved critical mode (CRM) boost PFC converter. First, the benefits of the interleaved CRM boost PFC converter and control techniques are discussed. Then, a two phase interleaved CRM boost PFC converter is both simulated and developed experimentally. The experimental results confirm the simulation results in which the interleaved technique decreases input current ripple of CRM boost PFC converter considerably.

Efficiency of Current Ripple Passive Filtering

Techniques for Inverter System Supplied by a Fuel Cell: Modeling and Simulations

OPROESCU Mihai

BIZON Nicu SOFRON Emil

University of Pitesti Str. Tg. din Vale, No.1

[email protected] , [email protected]

Keywords: current ripple, fuel cell, passive filtering

Abstract In this work are analysed pasive filtering techniques for reducing the inverter input current ripple effect. A large signal model of inverter system is used to evaluate the current ripple. Three inverter systems types are simulated and the obtained results are shown and commented. The current harmonics level is dependent by filtering capacitance value and the harmonics number is given by the used switching techniques: rectangular full-wave, PWM modify sine and PWM pure sine, respectively. Both passive filtering structures are analyzed: structure with passive filter on the low DC voltage bus and structure with passive filter on the high DC voltage bus, respectively. Also, the input current and output voltage power spectrums are simulated for different load power levels in order to validate the used model.

Efficiency of Current Ripple Passive Filtering Techniques for Inverter System Supplied by a Fuel

Cell: Experimental Results

OPROESCU Mihai BIZON Nicu

SOFRON Emil University of Pitesti

Str. Tg. din Vale, No.1 [email protected] , [email protected]

Keywords: current ripple, fuel cell, passive filtering

Abstract. This paper presents an investigation of the fuel cell

current ripple produced by inverters which use a fuel cell as DC



energy source. Different method to limits that current ripple are analyzed by experiment and are presents the results of passive filtering, both DC input bus and DC bus for high voltage. Make measurements on two inverters structures: with a modified sine PWM command and with a pur sine PWM commnad. The low pass filter used on the high DC bus must be carefully designed to reduce the current ripple at a low level without increasing the size and price of the inverter system. Experimental results are presented for a battery stack used as DC energy source, and it is shown that results are approximately the same as a case when the inverter is supplied from a fuel cell stack.

Calculation Of The Power Converter Moving With Levitation Screen

Abdullaev Ja.R., Mamedova G.V., Kerimzade G.S.

Department of Electric Equipment and Automation of Productions Azerbaijan State Oil Academy, Baku, AZERBAIJAN

AZ1010 ,20, Azadlig av. E-mail: [email protected]

Keywords: magnetic system, levitation screen, converter, magnetic conductor, electromagnetic. Abstrac: The method of definition and calculation of optimum values of key parameters and the sizes of magnetic system and levitation the screen of the converter of efforts with step magnetic conductor is developed. The method takes into account preset values of temperature overheating levitation the screen, depth of penetration of an electromagnetic wave in the screen from aluminium and the set range of change of external force working on the screen.

The Effect of Compression Ratio in Reduction of Nitrogen Oxides and Increment of Power in a Dl

CI Engine using Fuzzy Control

HASSAN.SAMIEE

Mechanical Engineering Department,Azad University Aligudarz,Lorestan,Iran


Keywords :Diesel engine, compression ratio, turbocharger, Fuzzy control.

ABSTRACT

This paper aims at investigating the effect of different compression ratios on prototype Ford 1.8L DI engine. The original diesel engine is a four stroke, Ford diesel engine with a compression ratio of 21:1. The present work shows developments made in the air management and control of a turbocharged diesel engine by increasing the compression ratio from 21:1 to 22:1. This increment results in changing the parameters power and NOx. A computer simulation method called ODES has been designed to get the output data. This data is used for fuzzy-based control of parameters power and NOx. The simulation results presented demonstrate that the FLC can control the engines better than mathematical models. The obtained results show increment in power and decrement in Nitrogen Oxides.



Microwave absorption studies on conducting nanocomposites as signal coating materials

1, 2 Mohammad Reza Saboktakin, 2Abel Maharramov,

2Mohammad Ali Ramazanov 1 Nanomaterials Synthesis lab. ,Department of Nanotechnology,Arian

Chemie Gostar Research Center,Tabriz ,Iran 2 Nanomaterials Synthesis lab. ,Department of Nanotechnology, Baku

State University,Baku, Azerbaijan

Keywords: Microwave absorption, conducting nanocomposites.

Abstract. The composites were coated on glass and metal surfaces by the method of layer-by layer coating of self – assembled multi layers. This kind

of nanocomposite films have very good applications as microwave absorption coatings .

STARTERING MODE OF THE STARTER-GENERATOR

Z.N. Musaev

Department of Electric Equipment and Automation of Productions Azerbaijan State Oil Academy, Baku, AZERBAIJAN

AZ1010, 20, Azadlig av. E-mail: [email protected]

Keywords: an onboard network, the starter –generator, inertia of

management – balance.

Abstract. In article materials of mathematical and physical research of process starter a mode the starter - generator which is carrying out both function of a starter, and the generator..

FPGA implementation of a Hopfield neural network for a real –time associative memory

IONESCU Laurentiu Mihai, MAZARE Alin Gheorghita

SERBAN Gheorghe, ANGHELESCU Petre University of Pitesti

Dep. of Electronics and Computers Str. Tg. din Vale, no. 1, Pitesti, ROMANIA

[email protected]

Keywords: Hopfield neural network, Field Programmable Gates Array

Abstract. The Hopfield neural networks can be used as an associative memory. First, the information is stored inside it as a pattern. After more patterns storage the system can be used to rebuild an entire pattern from a partial pattern one. As all the neural networks, the Hopfield networks are implemented using software algorithms. For this reason, the response time of the neural network



can be too large and thus cannot be used in real time application. In our approach, which is presented in this paper, a hardware implementation is performed. Each neuron operates as a parallel computation module. Thus we improve the response time of the network. The implementation inside cheapest FPGA family Spartan 3 makes system usable for embedded real time application.

Modeling and control of distributed generation systems including wind and gas turbine on

Azarbaijan Elec. Network

Farokh Fattahi1,N Rahmanov

2,A.M.Hashimov

[email protected]

Keywords: D.G, wind turbine, Gas turbine, Modeling

Abstract. this paper concentrates on the modeling and simulation of D.G systems including wind and gas turbine.for damping of osilation of power and voltage of Azarbaijan Elec. Network in during of short circuit and unbalance situation. The Fuzzy Logic controller is designed using the Matlab Fuzzy Logic toolbox. Distribution test system including a load ,a wind turbine and a gas turbine connected to power grid is simulated using Matlab/simulink software. Of course the accuracy of the presented model and the proposed multivariable supplementary fuzzy controller are deduced from the simulation results.

Sensitivity Computation For Analog Circuits

Mihai Iordache, Lucia Dumitriu, Catalina Popescu, Dragos Niculae [email protected]

“Politehnica” University of Bucharest, Electrical Engineering Department, Romania

Keywords: Network functions, Lumped linear circuits, Sensitivity

network, Symbolic analysis.

Abstract. The paper presents three procedures for the sensitivity analysis using auxiliary circuits: the Bykhovsky Perkins Cruz’s method, the incremental-circuit approach and the adjoint-circuit approach. All methods, based on the auxiliary circuits, have needed an efficient partially-symbolic method for the circuit analysis. For this, it was elaborated a very good procedure for the partially-symbolic analysis of the circuits based on the modified nodal equations and on the semi-state equations. This method was implemented in a program - SYCIAN – Symbolic Circuit Analysis. SYCIAN program can analysis together the original circuit and the auxiliary circuit.. In this paper we will show that the methods of the sensitivity computation, based on the auxiliary circuits, become very competitive ones, if it is used the SYCIAN program. We are also underlined the advantages and disadvantages of the three procedures. Some illustrative examples are presented.



Companion Models for Multi-Rate Analysis of integrated Analog Circuits

Cătălina-Gabriela Popescu

“Politehnica” University of Bucharest, Electrical Engineering Department, Romania

[email protected]

Keywords: companion models, multiple time variables, trapezoidal algorithm, Euler algorithm.

Abstract. Widely-separated time scales appear in many

electronic circuits, making traditional analysis difficult even impossible if the circuits are highly nonlinear. To make the analysis easier it is proposed the analysis in two time variables of the circuit with widely separated time scales. By applying this approach the differential algebraic equations (DAE) describing the nonlinear analog circuits driven by multi-tone signals are transformed into multi-time partial differential equations (MPDEs). In order to solve MPDEs, associated resistive discrete equivalent circuits (companion circuits) for the dynamic circuit elements are used. The boundary conditions are detailed and simulation results are presented. The paper presents the companion models for multi-rate analysis of integrated analog circuits, generated in two ways: by Euler algorithm and by trapezoidal algorithm.

The Decision Of Problems At Transition In A Generating Mode Of The Starter-Generator

Samira KHANAKHMEDOVA

Azerbaijan State Oil Academy, Baku, AZERBAIJAN AZ1010, 20, Azadlig av.


Keywords: brush–bracket, contact rings, starter, generator, rectifier blocks, disk, an anchor shaft, diode, contact rings, barrier resistance.

Abstract. Physical problems, such, as participation liquidation

collector – brush systems and electric Connection of two independent cars in a uniform electric network are found out.

Grounding Optimization Techniques Based on the New Concept of Topological Schema

Ovidiu Dragomirescu , Marieta Dragomirescu

Polytechnic University of Bucharest, 313 Splaiul Independentei, 77206 Bucharest, Romania

Abstract: This paper provide an analysis of ground noise

coupling problem using the concept of topological schema, which includes the interconnections layout. We apply our concept at the specific case of DC power supplies. Due to interconnection topology,



electromagnetic compatibility problems occur between the different stages of power supplies, leading to high output voltage ripple, system oscillations or modifications of design system parameters. In the first part, we study a simple DC Power Supply using a rectifier and an active smother filter, in the second part, we analyze the rectifier followed by a DC voltage regulator. The ground interconnection optimal topology and the methodology to obtain it are given.

3D TV/Display/Application developments

Alexandru SUCIU UNIVERSITY of Transilvania

1-3 Politehnicii, Brasov [email protected]

Keywords: 3DTV, 3DMobile, Multiview video, MVC, SVC

stereoscopic displays, 3DTV broadcasting, 3DTV streaming over IP, H264/MPE4 AVC

Abstract. This paper describes the current developments in 3DTV

including the 3D displays, current standards and transport protocols for 3DTV. We are developing a test framework RTP/UDP and RTP embedded in HTTP.

VIBRATION MONITORING FOR ELECTRICAL EQUIPMENT FAULTS DETECTION USING

FAST FOURIER TRANSFORM

IORGULESCU Mariana, BELOIU Robert University of Pitesti, Electrical Engineering Department,

Pitesti, ROMANIA [email protected]

Keywords: transformer fault diagnosis, dc motor, Fast Fourier

Transform

Abstract. This paper describes vibration diagnosis based on electric faults. These faults could appear in electrical equipment in general, but this paper focuses on the case of transformer and dc motor. In order to do the diagnosis there are analyzed signals of vibrations from the piezoelectric accelerometer. This accelerometer is installed on the frame of the equipment. The signals acquired are applied the Fast Fourier Transform. The level of the fault frequencies in the vibration spectrum is higher than the level of other frequencies

MODELING AND SIMULATION OF AUTONOMOUS SYSTEMS FOR GENERATING

ELECTRICITY USING WIND TURBINES

BADEA Romeo-Vasile, POPA Ilie University of Pitesti,

Electronics and Computers Department, Street Targul din Vale, No. 1, Pitesti, Arges, 110040, Romania



[email protected], [email protected]

Keywords: renewable energy; green energy; wind energy flow; wind turbine, pitch angle; wind turbine performance coefficient.

Abstract. This paper presents a way to obtain renewable and green energy by conversion of the wind power in electric energy. The paper focuses on the modeling of wind turbine and power generator system and simulation of this model considering the main parameter’s model. In numerical example, are used the parameters characteristic values of the Arges County (Romania).

Advanced Encryption Standard – Rijndael Algorithm Implemented on FPGA

Petre ANGHELESCU, Silviu IONITA, Andrei BURULEANU

Department of Electronics and Computers, University of Pitesti Târgul din Vale, 0300, Piteşti, ROMANIA [email protected], [email protected],

[email protected]

Keywords: AES, encryption, decryption, symmetric block cipher.

Abstract. In this paper we present the design of an encryption system based on AES (Advanced Encryption Standard) algorithm. The AES encryption algorithm is fully implemented in hardware, on a Digilent Nexys2 FPGA board using the VHDL language. The FPGA board use serial interface to communicate with data sources for receiving and sending encrypted/decrypted messages. The software encryption interface was realized in C# language and manages the data communication between the computer and FPGA board. We show that the hardware implementation on a FPGA offer an efficiently solution regarding to encryption speed and security assured.

An Area-Efficient FPGA-Based Implementation Of RSA

BÎRLEANU Florin Marian, ŞERBAN Gheorghe, SOFRON

Emil Faculty of Electronics, Communications and Computers,

University of Piteşti, România [email protected], [email protected], [email protected]

Keywords: RSA cipher, Montgomery modular multiplication, Field

Programmable Gate Array, digital systems design.

Abstract. We present in this paper a very compact implementation for the public-key cipher RSA. It was made on a Xilinx Spartan3 xc3s400 FPGA (Field Programmable Gate Array) circuit and it uses 694 slices. Compared to the previous similar results, our circuit reduces the area used by at least 30%. This is thanks to the original implementation of the Montgomery modular multiplication circuit. We show here the design method and we present the results obtained, as



well as the advantages and the disadvantages of the designed architecture.

ADAPTING THE TRIGA PITESTI Q-SPACE FOCUSING CRYSTAL NEUTRON DIFFRACTOMETER FOR STRESS

DETERMINATIONS

I. IONITA , V. FLORESCU Institute for Nuclear Research Pitesti, Romania

Campului Street No. 1 [email protected], [email protected]

Keywords: Neutron diffractometer, stress determinations, Q-space

focussing , system control,

Abstract. During the last decade new principles for the design of high-resolution configurations for crystal neutron diffractometry have been developed leading to the concept of Q-space high-resolution configuration which proved to be an alternative to the existing conventional configuration. The characteristics of such a focusing configuration are the use of open beam geometry, use of the bent crystals in asymmetric reflexion as monochromators and the rotation of the sample during the diffraction pattern raise, to fulfil the focusing conditions. High-resolution is obtained with no collimators by controlling the curvature and reflectivity of bent monochromators. This paper aims to clarify in which conditions such a Q-space focusing configuration, particularly that existing at INR Pitesti, can be used for stress determinations. Taking account of the characteristics of such measurements, it is quite obvious that the sample cannot be put in focusing position appearing a limitation of the dimension of the sample region for which stress determinations are made, if we want still to have a reasonable good resolution.

SPECTRA OF SEVERAL HIGHER ORDER D.C.-FREE CODES

NICOLAE Dumitru Alexandru

“Gh. Asachi” Technical University of Iaşi Bd. Carol I No.11 700506 Iaşi Romania

[email protected]

Keywords: D.C.-free codes, coding factor, power spectral density

Abstract. This paper presents and investigates the spectral properties of several DC2- and DC3-free codes that show reduced spectral content around zero frequency. They are of interest in digital recording and ADSL.

A PROPOSAL FOR RESEARCH AND DEVELOPMENT OF CRYPTOGRAPHIC

STANDARDS



MIRCEA Andraşiu1) , ANDREI-GEORGE Oprina2), EMIL Simion3)

1)National Registry Office for Classified Information 4, Mures Street, S1

2), 3) “Simion Stoilow” Institute of Mathematics of the Romanian Academy,

P.O. Box 1-764, 014700 Bucharest, Romania [email protected], [email protected],

[email protected]

Keywords: Cryptographic standards, cryptographic evaluation.

Abstract. This paper presents some general ideas concerning the development of cryptographic standards (algorithms standards and cryptographic module evaluation standards), a problem often taken into account in most countries because of its applications, public or governmental.

Alert Conflict Resolution Model in Network Security Situation Awareness System

Yi-Tung F. Chan University of Wales

United Kingdom [email protected]

Charles A. Shoniregun Sheridan Institute of Technology and

Advanced Learning [email protected]

Galyna A. Akmayeva University of Wales

United Kingdom [email protected]

Abstract: The concept of Situation Awareness (SA) isinitially from the aviation security territory. SA dealwith complexity, dynamics, high-risk, and situation that requires intervention. The introduction of SA in Network Security Situation Awareness (NSSA) is toresponse to ‘Alert Conflict’, but still the problem remains on solved. Therefore, we proposed Heterogeneous Network Sensors Management Service (HNSMS), a method of analysing the Alert Conflict in a Heterogeneous Network Sensor Environment (HNSE) using different Alert Fusion technique to understand the security status of the whole network system. Thus, we use Fuzzy Cognitive Maps (FCM) and policy to fuse multiple inputs.

ATMOSPHERIC CHANNEL EFFECTS ON TERRESTRIAL FREE SPACE OPTICAL

COMMUNICATION LINKS



W. Popoola*, Z. Ghassemlooy*, M. S. Awan**, and E. Leitgeb** * Northumbria University, Newcastle, UK

** Graz University of Technology, Graz, Austria email: [email protected]

Keywords: Atmospheric turbulence, Fog attenuation, Free-space

optics, Laser communications, Photon counting, Scattering.

Abstract. This paper illustrates the challenges imposed by the atmospheric channel on the design of a terrestrial laser communication link. The power loss due to scattering effect is described using the Kim/Kruse scattering model while the effect and the penalty imposed by atmospheric turbulence is highlighted by considering the bit error rate (BER) of an On-Off Keying modulated link in an optical Poisson channel. The power loss due to thick fog can measure over 100 dB/km while snow and rain result in much lower attenuation. We show that non-uniformity in the atmospheric temperature also contributes to performance deterioration due to scintillation effect. At a BER of 10-4, for a channel with a turbulence strength of >0.1, the penalty imposed by turbulence induced fading is over 20 photoelectron counts in order to achieve the same level of performance as a channel with no fading. The work reported here is part of the EU COST actions and EU projects..

MODULATION RECOGNITION ALGORITHM USING ADAPTIVE THRESHOLDS

VIOREL Grigore, CODRUT Irimia, MARIANA Jurian

University of Piteşti, Faculty of “Electronics, Communications and Computers”

Târgu din Vale Street, No.1, 110040, Piteşti - ROMANIA [email protected]

Keywords: modulation recognition, digital modulations, adaptive

thresholds

Abstract. In this paper, we propose a feature based decision tree algorithm for modulation recognition using adaptive thresholds, in order to improve the correct classification under 10 dB SNR.

Matlab Implementation of Secure Voice Communication

IONESCU Valeriu1, SIMA Ion1, SOFRON Emil1

University of Pitesti, Str. Targu din Vale, nr.1, Arges, Romania


Keywords: Matlab, VoIP, MELP, Java Cryptography Architecture, Wireless

Abstract. The analysis of secure voice communication systems for

reliability and flow control can be performed on real hardware with high development costs or in software with powerful simulation



software such as Matlab. This paper presents the Matlab implementation of a low bit rate datagram communication system for transmitting Mixed-Excitation Linear Predictive vocoder data. Matlab’s ability to interact from Simulink with external programming languages such as Java was used in order to simplify the implementation even if there are limitations and problems with this interaction. The use of the Simulink Module allowed us to test the secure voice communication (using the encryption standards provided by the Java Cryptography Architecture) between different computers. The resulted analysis for the influence of a noisy low bit rate communication channel on the AES encryption of voice data allowed us to present recommendations for future hardware implementations of this system.

CORPORATE NETWORKS MANAGEMENT AS SUPPORT FOR VIRTUAL TEAMS WORK

Sebastian Marius ROSU1&2, Marian Marius POPESCU3,

Emil SOFRON3 1 Special Telecommunication Service

323A Splaiul Independentei, sector 6, Bucharest, Romania [email protected]

2 University “POLITEHNICA” of Bucharest, PREMINV Research Center

313 Splaiul Independentei, sector 6, Bucharest, Romania 3University of Pitesti,

Targu din Vale Street, no.1, 110040, Pitesti, Romania [email protected], [email protected]

Keywords: corporate, network management, virtual team, open source

software

Abstract. In the 21st century, the corporate continuous implement IT&C strategies & architectures to improve manufacture, research, products quality, sales, and services and to costs control. All corporate have now a local area network, an intranet or/and Internet, servers and workstations for operations, administration and management working together for the same objective: profits. In this paper we describe the virtual teams work support for project development and network management for corporate geographic dispersed using Nagios software.

Parallel Algorithms for Matrix-Vector Multiplication

Petre ANGHELESCU, Emil Sofron, Ilie POPA, Laurentiu

IONESCU, Vasile-Gabriel IANA Department of Electronics and Computers, University of Pitesti

Târgul din Vale, 0300, Piteşti, ROMANIA [email protected], [email protected], [email protected],

[email protected]



Keywords: Parallel processing, parallel algorithms, matrix-vector multiplication, MPI, communication performance.

Abstract. In this paper, we show how the implementation of a

matrix-vector multiplication on network computers can be accomplished using the MPI (Message Passing Interface) standard. We presents an analysis concerning to the time necessary for two different implementations of matrix-vector multiplication: one is a sequential implementation and another is a distributed (parallel) implementation. We analyses the performances of the parallel algorithms. The only real requirement is that the matrix used in the multiplication is square. Our experimental platform includes the homogeneous Intel computers and the implementation of application is achieved using the MPI standard. Based on our experiments, we extract useful conclusions that can serve as guidelines for the optimization process of the matrix-vector multiplication.

Mobile secured communications over PKI solutions

Ţărmurean Daniel, Ţărmurean Florin, Ursea Cătălin, Frăsineanu Stelian Ministry of National Defence

Izvor 3-5, Bucharest [email protected]

Keywords: mobile communications, secured data and voice, PKI,

WAP, TETRA

The purpose of this article is to show the possibilities of a secured communications among mobile terminals using PKI standard. Thus, the idea about to be able to communicate with each other in a secure way using different networks, such as mobile telephones, pocket PC's and radio is nowadays a real one.

To be able to solve this problem we had to understand the underlying technology. So, the key role is given by the technology behind PKI, mainly the areas of CA, X.500 and X.509. The solution could be implemented over the WTLS layer of WAP and the TETRA digital radio technology. After studying the underlying technology and other wireless PKI solutions we can asses and provide suggestion about a solution.

WALK-OFF EFFECT CONTRIBUTIONS TO NON-DEGENERATED FOUR-WAVE-MIXING

NOISE IN OPTICAL TRANSMISSION SYSTEMS

RADU Dragomir, SORIN Puscoci . National Communications Research Institute (INSCC),

Bd Preciziei, Nr. 6, Bucharest, Romania, [email protected], [email protected]

Key words – Four-wave-Mixing (FWM), nonlinear fiber optics,

optical communication



Abstract – A physical interpretation of the walk-off effect on the four-wave-mixing noise is formulated in terms of intra-collision and inter-collision interference of the corresponding generated FWM waves. The walk-off effect modifies the FWM noise power spectral density at high frequencies by producing distinct peaks at locations determined by the system granularity. The walk-off effect significantly increases the FWM noise variance before any filtering at the end of fiber. Upon demultiplexing it is found that the walk-off effect is significant for the degenerate FWM case but is not significant anymore for the non-degenerate FWM case. When a sub-bit electric filter is used at the receiver side of the system the walk-off effect becomes insignificant for all types of FWM.

SOME CONSIDERATION ABOUT CLUTTER REMOVAL IN GPR

OVIDIU CĂTĂLIN Gogot Military Technical Academy

George Cosbuc 55-57, Bucharest [email protected]

Keywords: ground penetrating radar, signal processing

Abstract. A very important activity is the fight against the use of

antipersonnel landmines that are spread across the world. Any demining activity supposes several stages: detection, identification and clearance/destruction. The ground penetrating radar (GPR) have been investigated to be used for landmines detection. In order to detect the landmines or other objects that could be hidden in the ground, signal processing methods can be used. In this paper we will present a method based on MUSIC algorithm which we expect to be more robust to noise.

VOICE SECURITY OVER GSM NETWORKS

MARIAN Buric Protection and Guard Service

1st -3rd , 13 September street, Bucharest, Romania [email protected]

Keywords GSM security; GSM networks; GSM authentication

Abstract. This paper contains a current outline of the GSM voice

security, with focus both on the air interface protocol and end-to-end security. This paper also discusses the effectiveness of GSM authentication and the strength of GSM encryption. It includes therefore the most significant physical and cryptanalytic attacks on GSM security mechanisms, such as the up to date optical fault induction and partitioning attacks. On the other hand, this paper shows how the security of voice communication in GSM networks can be improved by end-to-end security solutions.



APPLIED ALGORITHMS FOR COMMUNICATIONS SECURITY. PERSONAL

IMPLEMENTATION OF SHA-1

OCTAVIAN GABRIEL Goga Str.Modoran Ene 9 , M91, Sector 5, Bucharest

[email protected]

Keywords: Communication security; COMSEC; FileProtection.

Abstract. Today, more than ever, computer networks are utilized for sharing services and resources. Information travelling across a shared IP-based network, such as the Internet, could be exposed to many devious acts such a eavesdropping, forgery and manipulation. Fortunately, there are several mechanisms that can protect any information that needs to be sent over a network. This paper introduces security threats and presents an application for communication security over the internet. The application FileProtection use basic cryptographic algorithms for securing data during wires transmission or via wireless.

CODE DIVISION MULTIPLE ACCESS SYSTEM BASED ON CHAOS SPREADING SEQUENCE

Iulian BARBU, Emil SOFRON, Cătălin URSEA, Loredan

MOLOCENIUC [email protected]; [email protected]; [email protected];

[email protected]; University of Pitesti

Keywords: CDMA, chaos, Bernoulli map, auto-correlation, cross-

correlation

Abstract. This paper investigates the problem of chaos spreading sequence using a time discrete nonlinear system based on Bernoulli shift map. The performance of CDMA system depends on cross-correlation and autocorrelations properties of the spreading sequence generated by the system based on Bernoulli shift map. The multiple access interference (MAI) and Multipath Self Interference (MSI) are important parameters in CDMA performance assessment. For this purpose a theoretical model of CDMA system based on the Bernoulli shift map is presented and then simulated in order to assess the auto-correlation, cross-correlation properties and BER performance.

SR-ARQ SYSTEM WITH BCH FOR DATA

TRANSMISSION

Constantin ANTON, Ion SIMA, Emil SOFRON, Ion TUTĂNESCU University of Pitesti, Faculty of Electronics, Communications and

Computers, Pitesti, Targu din Vale str., no.1, [email protected], [email protected], [email protected],

[email protected]



Keywords: data transmission, SR-ARQ, FEC, Wireless ATM hybrid FEC-ARQ

Abstract. Forward error correction (FEC) and automatic request (ARQ) are common techniques used to treat transmission errors when data are transmitted over noisy channels. In practical applications where feedback is possible, ARQ technique are often more preferable than FEC schemes because error detection requires much simpler decoding equipment and achieves a higher reliability than does error correction. When the channel is very noisy, the system throughput is smaller for ARQ techniques than FEC schemes because retransmission will be requested too frequently. Hybrid ARQ schemes, which combine the concepts of FEC and ARQ can provide a high system throughput and maintain a high system reliability for communications over quite noisy channels.

MEDIUM ACCESS CONTROL LAYER FOR WIRELESS SENSOR NETWORKS BASED ON

IMPULSE RADIO ULTRA WIDE BAND

Abdoulaye BERTHE, Aubin LECOINTRE, Daniela DRAGOMIRESCU, Robert PLANA

CNRS; LAAS; 7, avenue du Colonel Roche, F-31077 Toulouse, France

Université de Toulouse; UPS, INSA, INP, ISAE; LAAS; F-31077 Toulouse, France

[email protected]

Keywords: Wireless Sensor Network, MAC, Modeling and Simulation, IR-UWB

Abstract. This paper describes an implementation and

performance evaluation architecture of Medium Access Control (MAC) layer for Wireless Sensor Network based on (IR-UWB) Impulse Radio Ultra wide Band. The proposed architecture is included in the Global Mobile Information System Simulator (GloMoSim).

A HARDWARE BASED CRC MODULE FOR REAL TIME COMMUNICATION

ANTON Constantin, IONESCU Laurentiu,

MAZARE Alin, SERBAN Gheorghe University of Pitesti

Str. Tg. din Vale, No.1 [email protected]

Keywords: error correction, hardware implementation, FPGA

Abstract. Cyclic redundancy checks (CRCs) are familiarly used

to detect errors from noise in digital date transmission. The technique is also sometimes applied to data storage devices, such as a disk drive. They also have been turned to verify the integrity of files in a



system to prevent tampering and suggested as a possible algorithm for manipulation detection codes. It has been known that a CRC will not detect all errors but with random noise it is unlikely. In this paper, we present an efficient algorithm for parallel computation of the CRC and transmission data.

ULTRA WIDEBAND SYSTEMS – A NEW TECHNOLOGY FOR COMMUNICATION

NEGOIŢĂ Marius MORARU Cătălin

Military Technical Academy 81-83 George Coşbuc Avenue, Bucharest

[email protected]

Keywords: Ultra Wideband, communication, technology

Abstract. UWB (Ultra Wideband) signaling is the modern art of reusing previously allocated RF bands by hiding signals under the noise floor. Government regulators are testing UWB emissions to ensure that adequate protection exists to current users of the communications bands, and are on the brink of authorizing its use. Technology basics for short-pulse time coded UWB and for a direct sequence UWB approach are described, and applications of UWB devices are presented. Commercial and government uses of UWB are described. Short pulse low power techniques have enabled practical through-the wall radars, centimeter precision 3D positioning and communications capabilities at the high data rates.

INTELLIGENT HIGHWAY SURVEILLANCE SYSTEM WITH SPEED CONTROL AND

VEHICLE IDENTIFICATION

STAN Valentin Alexandru (Ph.D. Eng.) Smart Telecom Consulting

Bucharest, 19 A.Constantinescu str, 011471, Romania [email protected]

Keywords: Video surveillance, highway surveillance, road surveillance, road network, fibre optics network, logistics, highway transport, highway monitoring applications, Information and Communication Technologies (ICT), informing service, monitoring service, dispatch, euro-corridors, video-camera, speed radar, weather sensors, weather monitoring for highway system, traffic video surveillance, automatic incident detection, traffic signaling, traffic adaptation, speed detection, optical character recognizer, plate recognizer, car identifier, doom camera, long way camera, radar, speed detection, CCTV, wall screen, loop radar, traffic info, emergency detection, emergency team.



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ECAI 2009 best papers

Code Authors’ Name Paper title

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ECE68 Oproescu Mihai, Bizon Nicu, Sofron Emil

EFFICIENCY OF CURRENT RIPPLE PASSIVE FILTERING TECHNIQUES FOR INVERTER SYSTEM SUPPLIED BY A FUEL CELL: MODELING AND SIMULATIONS

RO 5,0 5,0 5,0

EW 40 Nicu Bizon CURRENT RIPPLE ACTIVE FILTERING TECHNIQUES FOR INVERTER SYSTEM SUPPLIED BY A FUEL CELL STACK

RO 5,0 5,0 5,0

MW42 Stefan SIMION ANALYTICAL AND NUMERICAL ANALYSIS OF A FREQUENCY DOUBLER BASED ON NON-LINEAR COMPOSITE RIGHT-/LEFT-HANDED CELLS

RO 5,0 5,0 5,0

MW59 Lojewski George, Militaru Nicolae, Banciu Marian Gabriel

MICROSTRIP FILTERS WITH MULTIPLE CROSS-COUPLINGS AND MAXIMUM NUMBER OF ATTENUATION POLES

RO 4,7 5,0 4,9

BMA124 Gavriloaia Gheorghe INVESTIGATION OF ACOUSTIC RESONANCE FREQUENCIES FOR A GEOMETRIC MODEL OF THYROID GLAND

RO 5,0 4,5 4,8

ECE69 Oproescu Mihai, Bizon Nicu, Sofron Emil

EFFICIENCY OF CURRENT RIPPLE PASSIVE FILTERING TECHNIQUES FOR INVERTER SYSTEM SUPPLIED BY A FUEL CELL: EXPERIMENTAL RESULTS

RO 4,5 5,0 4,8

MW89 Thomas Beluch, Vincent Puyal, Daniela Dragomirescu, Robert Plana

ACTUATION COMMAND CIRCUIT FOR 60GHZ RF MEMS PHASE SHIFTERS FR 4,5 5,0 4,8

C48 Ionescu Valeriu MATLAB IMPLEMENTATION OF SECURE VOICE COMMUNICATION RO 4,3 5,0 4,7SC13 Călin Anton, Joseph Culberson A VARIATION OF THE RANDOM K-SAT MODEL CA 4,0 5,0 4,5

MW44 Mihai Iulia Andreea MICROWAVE PROPAGATION THROUGH SOME LEFT HANDED STRUCTURES RO 4,0 5,0 4,5

C54 Milan Stork DISCRETE CHAOTIC SYSTEMS SYNCHRONIZATION AND SECURE DATA TRANSMISSION

CZ 5,0 4,0 4,5

ECE 63 Naci Genc, Ires Iskender ANALYSIS OF CRITICAL MODE INTERLEAVED BOOST PFC CONVERTER TK 4,0 5,0 4,5ECE 64 Aiordăchioaie Dorel ON THE MODELING OF THE SONAR TRANSMISSION SYSTEMS RO 4,0 5,0 4,5EWI7 Haluk Gozde, M.Cengiz Taplamacioglu A SWARM OPTIMIZATION BASED AUTOMATIC GENERATION CONTROL IN A

HYDROTHERMAL POWER SYSTEM INCLUDING SMES UNITSTK 4,5 4,0 4,3

MW58 Lojewski George, Militaru Nicolae,Banciu Marian Gabriel

DESIGN AND OPTIMIZATION OF MICROSTRIP BANDPASS FILTERS WITH MULTIPLE COUPLINGS

RO 4,7 4,0 4,3

BMA67 Teodorescu Horia, Pistol Laura EMOTIONAL STATES RECOGNITION IN SPEECH IN ROMANIAN – DIFFERENCES BETWEEN MALE AND FEMALE SPEAKERS

RO 4,0 4,5 4,3

BMA2 Toshitaka Yamakawa EPILEPTOGENIC EEG MONITORING AND BRAIN STIMULATION USING A MULTIFUNCTIONAL MICROPROBE FOR MINIMALLY INVASIVE BRAIN SURGERY

JP 4,0 4,5 4,3

C72 W. Popoola, Z. Ghassemlooy, M. S. Awan, And E. Leitgeb

ATMOSPHERIC CHANNEL EFFECTS ON TERRESTRIAL FREE SPACE OPTICAL COMMUNICATION LINKS

UK 4,5 4,0 4,3

BMA1 Cristina Popescu (Anton) APPLICATION OF THE NESTED MONTE CARLO EXPECTATION MAXIMIZATION ALGORITHM FOR PREDICTING THE HEART BEATS IN ECG SIGNALS

CA 4,0 4,5 4,3

ECE113 Vincent Albert, Alexandre Nketsa A HIERARCHY OF EMBEDDED SYSTEMS’ MODELS FR 4,5 4,0 4,3ECE32 Jipa Razvan CUSTOM TEST SOLUTION FOR GALS MODULES IMPLEMENTED ON STRUCTURED

ASIC PLATFORMSRO 4,0 4,5 4,3

SC5 Sebastian Marius Rosu A KNOWLEDGE MANAGEMENT APPROACH IN THE VIRTUAL ENTERPRISE NETWORK ENVIRONMENT

RO 4,0 4,0 4,0

C6 Sebastian Marius Rosu CORPORATE NETWORK MANAGEMENT AS SUPPORT FOR VIRTUAL TEAMS WORK RO 4,0 4,0 4,0C16 Petre Anghelescu, Emil Sofron, Ilie

Popa, Laurentiu Ionescu, Vasile-Gabriel Iana

PARALLEL ALGORITHMS FOR MATRIX-VECTOR MULTIPLICATION RO 4,0 4,0 4,0

C21 Mircea Andraşiu, Andrei-George Oprina, Emil Simion

A PROPOSAL FOR RESEARCH AND DEVELOPMENT OF CRYPTOGRAPHIC STANDARDS

RO 4,0 4,0 4,0

EW22 Milan Stork, Josef Hrusak, Daniel Mayer SYSTEM DESCRIPTION BASED ON TELLEGEN PRINCIPLE AND ABSTRACT STATE ENERGY

CZ 4,0 4,0 4,0

ECE37 Paul Burciu, Ionuţ Mihai Sima AES-128 ENCRYPTION /DECRYPTION IMPLEMENTATION ON RECONFIGURABLE HARDWARE (FPGA)

RO 4,0 4,0 4,0

MW41 Mihai Iulia Andreea MICROWAVE INVESTIGATION OF THE SCATTERING PARAMETERS FOR DIFFERENT TYPES OF METAMATERIALS

RO 4,0 4,0 4,0

SC51 Dragoş Niculae, Lucia Dumitriu, Mihai Iordache

ELECTRICAL CIRCUIT METHODS FOR HEAT TRANSFER COMPUTATION RO 4,0 4,0 4,0

SC79 Cosmin Stirbu, Constantin Anton, Emil Sofron

CALCULATION OF THE EQUIVALENT RELIABILITY FOR THE NON DECOMPOSED SYSTEMS USING THE GRAPHS THEORY

RO 4,0 4,0 4,0

ECE84 Radu Belea, Silviu Epure PRACTICAL IN-LOOP COMPENSATION OF A HYBRID AMPLIFIER DRIVING A CAPACITIVE LOAD

RO 3,5 4,5 4,0

ESAI91 Cosmin Ştirbu, Constantin Anton, Alexandru Ene

METHOD OF FAULT DIAGNOSIS OF AN ELECTRONIC SYSTEM USING NEURAL NETWORKS

RO 4,0 4,0 4,0

C95 Constantin Anton, Ion Sima, Emil Sofron, Ion Tutănescu, Cosmin Stirbu

SR-ARQ SYSTEM WITH BCH FOR DATA TRANSMISSION RO 4,0 4,0 4,0

SC101 Ghita Constantin, Popa Ilie AVAILABILITY MODELING AND SIMULATION IN DATA GRID RO 4,0 4,0 4,0SC102 Iulian-Constantin Vizitiu MORE EFFICIENT ATR SYSTEM USING THE DECISION FUSION ON AVAILABLE

MULTISPECTRAL INFORMATIONRO 4,0 4,0 4,0

C103 Radu Dragomir, Sorin PUSCOCI WALK-OFF EFFECT CONTRIBUTIONS TO NON-DEGENERATED FOUR-WAVE-MIXING NOISE IN OPTICAL TRANSMISSION SYSTEMS

RO 4,5 3,5 4,0

BMA115 Mihai T Tarata ON POSSIBILITIES TO NONINVASIVELY MONITOR THE NEUROMUSCULAR FATIGUE IN ISOMETRIC AND DYNAMIC CONTRACTION - IS THE WAVELET TRANSFORM THE ULTIMATE TOOL?

RO 4,0 4,0 4,0

BMA119 D. Ţarălungă, W. Wolf, R. Strungaru, I. Gussi, C. Dutescu, M. Ungureanu

NOISE SENSITIVITY OF QRS DETECTION ALGORITHMS RO 4,0 4,0 4,0

EVI122 Jurian Mariana, Savulescu Corina, Panait Cristian

WATER TRANSMISSION PARAMETERS IN THE NETWORK OF THE TOWN OF STEFANESTI - ARGES

RO 4,0 4,0 4,0

EVI61 Anghel Sorin, Topală Carmen THE K - M THEORY IN THE RADIANT ENERGY MANAGEMENT IMPROVING RO 3,5 4,0 3,8

2

EW71 Ires Iskender Naci Genc, A REVIEW ON SINGLE-PHASE PFC CIRCUITS USED FOR MEDIUM AND HIGH POWER APPLICATIONS

TK 3,5 4,0 3,8

ECE81 Mazarel Marius, Chiculita Claudiu, Frangu Laurentiu

A HARDWARE PLATFORM FOR SONAR AND AUDIO SIGNAL PROCESSING RO 4,0 3,5 3,8

C3 Nicolae Dumitru Alexandru SPECTRA OF SEVERAL HIGHER ORDER DC-FREE RO 4,3 3,0 3,7ECE8 George MATEI NEW TECHNOLOGIES IN THE MONITORING OF THE PRIMARY HEAT TRANSPORT

SYSTEM WITHIN A NUCLEAR POWER REACTORRO 4,0 3,0 3,5

SC12 Octavian Popescu Eugen Diaconescu E-LABORATORY FRAMEWORKS FOR AGENT BASED MODELING OF ENERGY MARKETS

RO 4,0 3,0 3,5

ECE14 Corneliu Talpalariu , Mihaela Talpalariu , Matei Corina

ADAPTIVE HAZARD MANAGEMENT FOR REDUNDANT SAFETY SYSTEMS RO 4,0 3,0 3,5

SC23 Gheorghe Oproescu, Luiza Grigorescu THE USABILITY OF THE RESIDENT SOFTWARE AND HARDWARE IN SOME FEW APPLICATIONS FOR SIGNAL PROCESSING

RO 4,0 3,0 3,5

ECE30 Marius Constantin Popescu, Anca Petrisor

IMPROVING METHOD FOR MEASURING THE ELASTIC & VISCOUS BEHAVIOUR OF RUBBER

RO 3,5 3,5 3,5

BMA33 Buleandra Alina, Petrescu Teodor COMPARISON OF SARS INDUCED INSIDE A HOMOGENEOUS HUMAN LIVER RO 3,0 4,0 3,5ESAI65 Sorin Soviany, Mariana Jurian, Sorin

Puşcoci, Gheorghiţă PescaruMODELING BIOMETRIC SYSTEMS USING UML LANGUAGE RO 3,5 3,5 3,5

C70 Viorel Grigore, Codrut Irimia, Mariana Jurian

MODULATION RECOGNITION ALGORITHM USING ADAPTIVE THRESHOLDS RO 4,0 3,0 3,5

SC83 Ionescu Valeriu, Zafiu Adrian, Panter Madalina

USING INTERNET CONNECTIVITY FOR IMPROVING PROSTHESIS DESIGN RO 3,5 3,5 3,5

C90 Abdoulaye Berthe, Aubin Lecointre, Daniela Dragomirescu, Robert Plana

MEDIUM ACCESS CONTROL LAYER FOR WIRELESS SENSOR NETWORKS BASED ON IMPULSE RADIO ULTRA WIDE BAND

FR 3,0 4,0 3,5

ECAI - 09 trip program: Day I - June 5, 2009 • Leave of Pitesti, at 7.00; • Arrive at the Monastery of wood, 10.00 (distance Pitesti- Monastery of wood is 140

km); • Visit the Monastery of wood, 10.00-11.00 hours;

http://www.rotravel.com/Places/Monasteries-in-Wallachia-and-Southern-Bukovina/Monasteries-of-Wallachia/One-piece-of-wood

http://www.vasike.iplus.ro/bishop/en/lemn.html • Travel to Bistrita defile, 11.00-11.30 (distance between monastery in a wood and Bistrita

defile is 30 km); • Walk on the Bistrita defile, 11.30-12.30;

http://en.wikipedia.org/wiki/Bistri%C5%A3a_River_(Olt) • Visit Bistrita Monastery, 12.30-13.00; http://en.wikipedia.org/wiki/Bistri%C5%A3a_Monastery • Lunch served at the Bistrita Monastery, 13.00-14.00; • Travel to Hurezu monastery, 14.00-14.15 (distance Bistrita Monastery - Monastery

Hurezu is 10 km); http://en.wikipedia.org/wiki/Horezu_Monastery • Visit of the Hurezu Monastery, the pottery village and the Museum from Maldaresti,

14.15-16.00: - Visit to a family with tradition in pottery and with international recognition; - Visit the souvenir shops with Romanian traditional objects;

http://www.valcea-turism.ro/j15/index.php?option=com_content&view=article&id=253&Itemid=155

http://www.unseenromania.com/places-to-go-romania/cule-strange-strongholds-of-a-riotous-past.html?page=2

• Travel to Calimanesti at approximate 17.30 (50 km from the last stop); • Accommodation at Vila Pausa, 17.30-18.00; http://sabin.ro/gallery/romania_alte_poze/vila_pausa_calimanesti_resize • visiting (on foot or with bus) to the Cozia monastery, 18.00-19.00 (2 km away);

http://en.wikipedia.org/wiki/Cozia_Monastery http://www.manastirea-cozia.go.ro/summary.htm • Leave to Pitesti for participants to one day trip, 19.00; • Festive Dinner, 20.00; Day II - June 6, 2009 - Breakfast served at the Vila Pausa, 8.00-8.45; - Departure to Sibiu, 8.45; - Arrival in Sibiu, 11.00 - Visiting the Big Square of Sibiu and Sibiu fortress, 11.00-12.00;

http://www.turism.sibiu.ro - Moving to Dumbrava Sibiu and visiting the sightseeing, 12.00-13.00;

http://wikimapia.org/5902242/Dumbrava-Forest-Park-natural-park-village-museum-zoo-lakes-hotels

- Lunch served at Dumbrava Sibiu, 13.00-14.00;

- Travel by bus to Pitesti via Brasov (200km) and over the Fagaras mountain with stop for sights mountain, 14.00-19.00

http://www.romanianmonasteries.org/romania/fagaras-mountains - Return to Pitesti at approximate 19.00.

Documents

Organizers: Co-organizers - · PDF file“POLITEHNICA” UNIVERSITY OF BUCHAREST: ... Bucuresti NUCLEAR RESEARCH INSTITUTE, Piteşti. ... 17:30-18:30 Alexandru Suciu