Main task Development of hard- and software for flight instruments Main research topics 1.Magnetospheric MultiScale Development of the EDI electron gun and control logic 2.Solar Orbiter Digital processing unit for the Radio & Plasma Wave Analyzer 3.CHEOPS Digital processing unit Refereed publications (since Jan 2013) Total: 2 Onboard Data Processing Units 1 IWF/ÖAW
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Main task Development of hard- and software for flight instruments Main research topics 1.Magnetospheric MultiScale Development of the EDI electron.
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IWF/ÖAW
Main task
Development of hard- and software for flight instruments
Main research topics
1. Magnetospheric MultiScale
Development of the EDI electron gun and control logic
2. Solar Orbiter
Digital processing unit for the Radio & Plasma Wave Analyzer
3. CHEOPS
Digital processing unit
Refereed publications (since Jan 2013)
Total: 2
Onboard Data Processing Units
1
IWF/ÖAW
Lead: Manfred Steller
Members
Staff: J. Hasiba, K. Hofmann, G. Laky (QA), S. Neukirchner, H. Ottacher, M. Steinberger, (H. Hartl left)
Cooperation within IWF
Magnetotail Physics (Nakamura et al.): Electron gun for MMS
SW-Atmosphere (Lammer et al.): COROT, CHEOPS
Magnetometer Team (Magnes et al.): Magnetic cleanliness, parts
SW Turbulences (Narita et al.): Solar Orbiter/RPW
Radio Wave Group (Fischer et al.): Solar Orbiter/RPW
Key external collaboration
France: LESIA, CNES; Switzerland: University of Berne; USA: UNH;
Who are we?
2
IWF/ÖAW
Contribution Coordination of GDE
development at RUAG Space Austria
Design of digital electronics
Design, programming
and test of FPGA logic
Highlights Specific sigma-delta
DAC design for quick response & accuracy with low clock rates
Code generator and correlator to derive time of flight
EDI: Gun Detector Electronics
3
IWF/ÖAW
Contribution
Development of electron gun(electronics, mechanics)
Electron source provided by UNH
Calibration of gun
Status
All flight models delivered
Two models undergo refurbishment
Further investigation together with UNH to understand problems with HV opto- coupler
EDI: Electron Gun and Electronics
4
IWF/ÖAW
Contribution
Development of DPU electronics
Redundant DPU hardware
Boot software (reliability class B)
Solar Orbiter / Radio & Plasma Waves
5
Search Coil Magnetic (SCM)
BxLF
BxHF
BzLF
ByLF
Electric Antennas (ANT)
V1HF
V3HF
V2HF
V1LF
V3LF
V2LF
V1
V3 V2
Main Electronic Box (MEB)
Bias UnitFloating voltage driver
TNR-HFRAuto & cross-spectra
(4kHz-20MHz)
LFRWaveform up to 25kS/s+ Auto & cross-spectra+ k-vector (DC-10kHz)
TDSWaveform @ 500kS/s+ LFR Redundancy
LVPS-PDU
RPW-DPU
Nom. SpWto/from S/C
3xBLF
1xBxHF
3xVHF
1xBxHF
3xVBIAS
Nom. 28Vfrom S/C
3xVHF
3xVLF
5xVLF
Red. SpWto/from S/C
3.3V +/-5V1.5V
3xBLF (LFR red.)
3xVLF (LFR red.)
+12V
Red. 28Vfrom S/C
SpW
SpW
SpW
3xVHF (PA red.)
SpW
SpW
IWF/ÖAW
Contribution to CHEOPS
Back-End Electronics
Industrial contract (RUAG Space Austria):
Power supply for entire Electrical Sub-System
Stringent requirementsfor camera supply
Redundant unit
IWF activities:
Development of data processing unit
Fully redundant system
Boot software
CHaracterizing ExOPlanet Satellite
6
IWF/ÖAW
Differences to Solar Orbiter RPW DPU
S/C interface MIL-1553
Dual core processor GR712
FLASH memory to be used as telemetry buffer
Hardware for thermal control of instrument operational heater