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

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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?

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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

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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

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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

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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

CHaracterizing ExOPlanet Satellite

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IWF/ÖAW

MMS: EDI GDE & Gun

Support for integration tests

Support for commissioning phase

Solar Orbiter: RPW/DPU

Delivery of QM end 2014

Delivery of FM in 2015

Support for instrument integration

CHEOPS

Design activities to PDR in 2014

Integration of EQM begin 2015, delivery mid 2015

Integration of FM Q3 2015, delivery begin 2016

Future Plans: 2015-2018

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IWF/ÖAW 9

Thank you