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Gyro MEMS Preliminary Design for a Microsatellite

Ziel

The need to significantly reduce the mass, power, volume and recurring product cost for various space or terrestrian applications has resulted in an increased interest in the relatively new technology of Micro Electro-Mechanical System, which acronym is MEMS.
These micro machined, chip-level systems have been in research for over a decade and are currently being developed commercially as such terrestrial applications as automotive and biomedical sensors.
Although MEMS technology is promising for space applications, it is relatively immature at this stage.

This research project is intended to investigate the feasibility of improving the MEMS technology applied to a sensor like a gyrometer, to fulfill space applications requirements, in particular in term of inertial performances and concerning the environmental conditions to withstand.

Taking advantage of RIAM and NPK-Vector heritage on this topic, the applied research program is focused on the technology of a micro-mechanical vibrating gyro, which acronym is MMVG.
To achieve the objectives, the working approach mixes:
- Some theoritical studies, in particular to simulate the sensor behaviour and performances and to determine its definition parameters,
- And testing of mock-ups, using the experimental results to improve the sensor behaviour on breadboards and to assess about the final performances achievable.

The cooperation is held on NIS side between 2 Russian organisations (RIAM, NPK-VECTOR) plus IEASB, a Belarus one. They have each different competence in term of gyro testing, vibrating gyro modelling, control electronics, micro machining processes knowledge and packaging for space applications.

CNES, the French space agency will act as coordinator of this activity and the main European space companies, ALCATEL-SPACE, ASTRIUM plus EADS-Deutschland, would also participate as users and microsystems technologies experts, concerning space applications constraints, gyros and guidance systems.

The project is scheduled for one and half year since beginning of 2004, considering a funding of 77 824 Euros.

Having finally a preliminary design of these gyro-MEMS, the expected results of this research project are to demonstrate the possibility to:
- Obtain a MMVG complying with a performance range of 1°/hour in term of bias stability, which could be considered as improvement for the gyro-MEMS technology.
- And comply to space applications needs concerning the operational and environmental constraints.

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Centre National d'Etudes Spatiales
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Avenue Edouard Belin 18
31401 Toulouse
Frankreich

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Letzte Aktualisierung: 6 September 2004

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Permalink: https://cordis.europa.eu/project/id/INTAS2003-53-4456/de

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