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SPEED CONTROL OF DC MOTOR USING FUZZY LOGIC CONTROLLER
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OVERVIEW
INTRODUCTION OBJECTIVE OF THE WORK STEPS INVOLVED WORKS ALREADY DONE FUTURE WORK CONCLUSION REFERENCES
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INTRODUCTION
Commonly used methods
Proposed method
Driver Circuit
Fuzzy Logic Controller
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OBJECTIVE OF THE WORK
To model the DC motor.
To control the DC motor speed with conventional controlling methods.
To control the DC motor speed with fuzzy logic controller.
Compare the different speed controlling techniques.
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STEPS INVOLVED
Model the system. Design the conventional controller to control the DC motor
speed. Familiarization of fuzzy logic. Design the fuzzy logic controller to perform better control
to the DC motor speed. Design the driver circuit to implement the control action. Compare the different controller results.
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WORKS ALREADY DONE Modeled the DC motor.
Designed a discrete PID controller to control the speed of the DC motor using Command Window in MATLAB.
Designed a PID controller to control the speed of the DC motor using Simulink in MATLAB.
Designed the Fuzzy Logic controller to control the speed of the DC motor.
Designed the required drive circuit to implement the control action of the Fuzzy Logic controller.
Compared the results with different controllers.
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DC MOTOR MODEL
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STEP RESPONSE OF THE DC MOTOR WITH OUT ANY CONTROLLER
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STEP RESPONSE OF THE DC MOTOR WITH PID CONTROLLER
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SIMULINK MODEL OF THE DC MOTOR SPEED CONTROL USING PID CONTROLLER
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SIMULINK MODEL OF THE PID CONTROLLER
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SIMULINK MODEL OF THE DC MOTOR WITH LOAD
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SIMULINK MODEL OF THE LOAD
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OUTPUT SPEED PLOT OF THE DC MOTOR WITH PID CONTROLLER
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SIMULINK MODEL OF THE FLC TUNED PID CONTROLLER
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OUTPUT SPEED PLOT OF THE DC MOTOR WITH FLC TUNED PID CONTROLLER
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COMPLETE SIMULINK MODEL OF THE PROPOSED CONTROLLER
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CHANGE OF ALPHA VS ERROR PLOT
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CHANGE OF ALPHA VS CHANGE OF ERROR PLOT
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DRIVER CIRCUIT
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OUTPUT SPEED PLOT OF THE DC MOTOR WITH PROPOESD FLC TECHNIQUE
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FUTURE EXPANSION
To design the FLC and driver circuit in LabVIEW.
To apply this speed control technique in Hybrid Electric Vehicles.
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CONCLUSION The DC motor is modeled.
Discrete PID controller to control the speed of the DC motor is designed using MATLAB.
A PID controller to control the speed of the DC motor is designed using MATLAB Simulink.
The fuzzy logic controller is designed to control the speed of the DC motor.
The required drive circuit to implement the control action of the Fuzzy Logic controller designed.
The different controller results are compared.
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REFERENCES
[1] P. Thepsatorn, A. Numsomran, V. Tipsuwanporn and T. Teanthong, “DC Motor Speed Control using Fuzzy
Logic based on LabVIEW”, SICE-ICASE, 2006.
[2] S. Aydemir, S. Sezen and H. Mertin Ertunc, “Fuzzy Logic Speed Control of a DC Motor”, IEEE Transactions on Industrial Electronics, pp. 766-771, February 2004.
[3] T. Tipsuwan, Y. Chow, “Fuzzy Logic Microcontroller Implementation for DC Motor Speed Control”, IEEE Spectrum March 1999, p. 1271.
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THANK YOU
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