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The AGILE Instrument functional performance. A. Argan, A. Trois (on behalf of the AGILE Team). SUMMARY. Introduction Overview on the on-board scientific data acquisition Overview on the in-flight functional performance Conclusions. The most compact and low-power Instrument - PowerPoint PPT Presentation
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5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 1
The AGILE Instrument functional performance
A. Argan, A. Trois
(on behalf of the AGILE Team)
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 2
SUMMARY
- Introduction
- Overview on the on-board scientific data acquisition
- Overview on the in-flight functional performance
- Conclusions
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 3
INTRODUCTION - GLOBAL VIEW
1. Detector volume: ~ 0.25 m3
2. Detector mass: ~ 120 kg3. Detector power consumption: ~ 60 W4. Complex data acquisition system:
1. 36.864 Silicon Tracker (gamma-ray imager) channels2. 6.144 Super-Agile (hard X-ray imager) channels3. 60 Mini-Calorimeter channels4. 15 AC channels5. 27 FPGA’s6. 1 DSP
The most compact and low-power Instrumentever developed in High Energy Astrophysics.
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 4
PDHU – THE SCIENTIFIC PROCESSING HARDWARE SOFTWARE
GPS
AC
ST
MCAL
SA
GRID: - TRIGGER 1 & 1.5
- READOUT - PRE-PROCESSING
BURST: - MCAL BURST DAQ - SA BURST IMAGING
SA: - PHOTON-BY-PHOTON
GRID: - CLUSTER ID
- MCAL ZERO-SUPPRESSION
- TRIGGER 2
BURST: - BURST SEARCH
- SA IMAGES DECONVOLUTION
T E L E M E T R Y
BUS
FAST LINK
SSs
OVERVIEW ON THE ON-BOARD DAQ (I)
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 5
THE ON-BOARD DAQ (II): GRID
SYNCHRONOUS PHASE
TRIGGER 1 + TRIGGER 1.5 < 25s TYPICAL DEATHTIME ~200s
ASYNCHRONOUS PHASE
TOTAL DURATION ~ 3-4ms NO DEATHTIME
DATA HANDLING
HARDWARE SOFTWARE
AC
MCAL GRID
ST
TAA1 MAP
AC TOP AC LAT
READOUT:
ALL THE 32 BARS
SPARSE READOUT:
ONLY THE TAA1 FIRED
TRIGGER LEVEL-1:
CHECK ON THE AC VETO SIGNAL AND
THE NUMBER OF THE TAA1
FIRED.
TRIGGER LEVEL 1.5:
ANALYSIS OF THE TAA1 FIRED
TOPOLOGY DATA
PRE-PROCESSING:
- PEDESTAL SUBTRACTION
- COHERENT NOISE SUBTRACTION
- ZERO-SUPPRESSION
- MCAL
ZERO- SUPPRESSION
- CLUSTER ID
- TRIGGER LEVEL-2
T E L E M E T R Y
20 independent trigger algorithms
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 6
THE ON-BOARD DAQ (III): GRB SEARCH
DATA HANDLING
HARDWARE SOFTWARE
BURSTSEARCH
ON TIMESCALES64ms-8s
BUS
FAST LINK
T E L E M E T R
MCAL BURST
CYCLIC BUFFER
SA IMAGING
IMAGES INTEGRATION
RATEMETERS
BURST SEARCH RATEMETERS
MCAL BURST
SA
Burst Search on 8+9 channels (SA + MCAL) Burst Search timescales from <1ms to 8s On-board Burst coordinates determination (error ~20 arcmin)
ON TIMESCALES <1ms-16ms
IMAGESDECONVOLUTION
AND BURSTCOORDINATES
DETERMINATION
Y
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 7
OVERVIEW ON THE ON-BOARD DAQ TELECOMMANDS
- AC FEE configuration:- 1 TC33S5: AC Obs. configuration (RAM/EEPROM)- 1 TC33S6: AC El. Cal. configuration (RAM/EEPROM)
- ST FEE configuration:- 1 TC33S7: ST General Obs. configuration (RAM/EEPROM)- 96 TC33S8: ST Regin configuration (RAM/EEPROM)- 1 TC33S9: ST El. Cal. configuration (RAM/EEPROM)
- SA FEE configuration:- 1 TC33S10: SA General Obs. configuration (RAM/EEPROM)- 48 TC33S11: SA Obs. Regin configuration (RAM/EEPROM)- 48 TC33S11: SA Cal. Regin configuration (RAM)- 4 TC33S12: SA El. Cal. configuration (RAM/EEPROM)
- MCAL FEE configuration:- 1 TC33S13: MCAL Obs. configuration (RAM/EEPROM)- 1 TC33S14: MCAL El. Cal. configuration (RAM/EEPROM)
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 8
- PDHU – GRID logic configuration:- 1 TC33S2: GRID HW configuration (RAM/EEPROM)- 1 TC33S3: GRID SW step-1 configuration (RAM/EEPROM)- 1 TC33S4: GRID SW step-2 configuration (RAM/EEPROM)- 1 TC33S37: GRID SW step-3 configuration (RAM/EEPROM)
- PDHU - BURST logic configuration:- 1 TC33S15: Burst Search general configuration (RAM/EEPROM)- 1 TC33S16: Burst Search HW configuration (RAM/EEPROM)- 4 TC33S17: SA Burst Search SW configuration (RAM/EEPROM)- 4 TC33S19: MCAL Burst Search SW configuration (RAM/EEPROM)- 1 TC33S18: SA Imaging configuration (RAM/EEPROM)
- PDHU - General scientific configuration (managed by LTP during the Routine phase):
- 1 TC33S1: Scientific general configuration (RAM/EEPROM)- 1 TC33S20: Telemetry Partition Table configuration (RAM/EEPROM)
OVERVIEW ON THE ON-BOARD DAQ TELECOMMANDS
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 9
OVERVIEW ON THE ON-BOARD DAQ LOOK-UP TABLES
- PDHU – GRID logic configuration:- ¾ Trigger: 4 LUTs Obs. + 2 LUTs Cal.
- AC Veto: 4 LUTs Obs. + 1 LUT Cal.- R-Trigger: 4x8 LUTs Obs. + 2 LUTs Cal.- 1.5 Trigger: 4 LUTs- CDIS Trigger: 4 LUTs - ST Offsets: 1 LUT- FVC1: 1 LUT- FVC2: 1 LUT- Kalman Filter: 7 LUTs
- PDHU – SA Photon-by-Photon configuration:- Address Corr.: 4 LUTs
- PDHU - BURST logic configuration:- SA Burst Trigger: 4x4 LUTs
- SA Imaging Trig.: 4 LUTs- MCAL Burst Trig.: 4x4 LUTs- MCAL BBFP: 4x4 LUTs- SA Burst Imag.: 7 LUTs
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 10
220 TCs (~100000 parameters)
126 LUTs
OVERVIEW ON THE ON-BOARD DAQ
A complete AGILE scientific configuration is composed of:
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 11
THE AGILE ON-GROUND TESTING (I)
ACTIVITY FACILITY DATEPayload AIV Thales-Aleniaspace Italia, Milano (Italy) December 2004 - October 2005
Bus AIV Carlo Gavazzi Space, Tortona (Italy) December 2004 -November 2005
GRID CalibrationLaboratori Nazionali di Frascati-INFN,Frascati (Italy)
November 2005
Satellite AIV Carlo Gavazzi Space, Tortona (Italy) December 2005 – May 2006
Satellite Qualification IABG, Munchen (Germany) June-July 2006
Scientific Configurationfinalization
Carlo Gavazzi Space, Tortona (Italy) August-September 2006
Satellite refurbishment Carlo Gavazzi Space, Tortona (Italy) October-November 2006
Satellite AIVpost refurbishment
Carlo Gavazzi Space, Tortona (Italy) December 2006
Super-AGILE and MCAL-Burst Calibration
Carlo Gavazzi Space, Tortona (Italy) January 2007
Satellite Qualification post refurbishment
IABG, Munchen (Germany) February-March 2007
Launch CampaignSatish Dhawan Space Center SHAR, Sriharikota, Chennai (India).
April 2007
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 12
THE AGILE INTEGRATION AND QUALIFICATION
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 13
AGILE integrated in the PSLV-C8 April 15, 2007
THE AGILE LAUNCH CAMPAIGN (I)
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 14
Fotoni a terra e in volo - I
Last gamma-ray detected in India by the AGILE-GRID on top of PSLV-C8
THE AGILE LAUNCH CAMPAIGN (II)
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 15
THE AGILE LAUNCH
The AGILE satellite was successfully launched by the Indian rocket PSLV-C8
on April 23, 2007.
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 16
OVERVIEW ON THE IN-ORBIT PERFORMANCE
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 17
SILICON TRACKER FEE CONFIGURATION
- Energy Threshold (dig. value=5) => ~95% detection efficiency
- 792 strips disabled (~ 2% total strips)
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 18
Fotoni a terra e in volo - II
First gamma-ray detected in orbit with the nominal GRID trigger configuration (May 10, 2007)
GRID FUNCTIONAL PERFORMANCE (I)
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 19
GRID FUNCTIONAL PERFORMANCE (II)
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 20
GRID FUNCTIONAL PERFORMANCE (III)
The GRID Trigger background rejection
10kHz
150Hz
80Hz
5Hz
Pre-trigger rate
Level-1 output rate
Level-1.5 output rate
Level-2 output rate
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 21
GRID FUNCTIONAL PERFORMANCE (IV)
TM GRID event rate:
< 7Hz
Max. sustainable (and measured) TM GRID event rate: 30 Hz.
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 22
SUPER-AGILE FEE CONFIGURATION
- Energy Threshold = 18keV
- 718 strips disabled (~ 12% total strips)
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 23
SUPER-AGILE FUNCTIONAL PERFORMANCE (I)
by SA Team – IASF-INAF Roma
- Energy Upper threshold (>100 keV) cuts ~250 cts/s.
- AC Top and Lat cuts ~100 cts/s (~5% deadtime).
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 24
SUPER-AGILE FUNCTIONAL PERFORMANCE (II)
by SA Team – IASF-INAF Roma
TM SA event rate (with SA max temperature ≤ 26°C):
< 100Hz
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 25
LTP SCIENTIFIC CONFIGURATION
AC_FEE P108="Observation" P139="Keep Nominal Config" P170="Keep Nominal Config" P201="Keep Nominal Config" P232="Keep Actual Config"
GRID P100="Observation" P101="0" P102="0" P103="0" P104="0" P105="0" P106="0" P107="0" P131="StandBy at PDHU Level" P162="Keep Normal Config" P193="Keep Normal Config" P224="StandBy at PDHU Level"
SA P127="Separate SAIE Setup" P128="Observation" P129="Observation" P130="0" P158="Keep Nominal Config" P159="Keep Nominal Config" P160="Keep Nominal Config" P189="Keep Nominal Config" P190="Keep Nominal Config" P191="Keep Nominal Config" P220="Keep Nominal Config" P221="Keep Nominal Config" P222="Keep Nominal Config" P251="Keep Actual Config" P252="StandBy at FEE Level" P253="StandBy at FEE Level"
SA_BURST P119="Observation" P120="2" P121="2" P122="2" P123="2" P125="1" P150="StandBy" P181="Keep Nominal Config" P212="Keep Nominal Config" P243="StandBy"
MCAL_BURST P109="Observation" P110="0" P111="0" P112="0" P113="0" P114="3" P115="3" P116="3" P117="3" P140="StandBy at PDHU Level" P171="Keep Nominal Config" P202="Keep Nominal Config" P233="StandBy at PDHU Level"
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 26
TELEMETRY BUDGET
Orbit
To
tal
tele
me
try
pe
r o
rbit
(M
B)
5th Science AGILE Workshop – ESRIN, Frascati, 12-13 June 2008 27
CONCLUSIONS
- The Commissioning phase has been carried out with excellent results.
- The PL subsystems are in general working in a satisfactory and nominal way. In several cases, during the first year, we could improve the pre-launch performance.
- During the second year, we plan to further optimize the -rays, x-rays and MCAL functional performance.