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21 November 2017 Reduction of low frequency error for SED36 and APS based HYDRA star trackers
Julien Ouaknine, Ludovic Blarre, Lionel Oddos-Marcel, Johan Montel, Jean-Marc Julio
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Proceedings Volume 10567, International Conference on Space Optics — ICSO 2006; 105672R (2017) https://doi.org/10.1117/12.2308086
Event: International Conference on Space Optics 2006, 2006, Noordwijk, Netherlands
Abstract
In the frame of the CNES Pleiades satellite, a reduction of the star tracker low frequency error, which is the most penalizing error for the satellite attitude control, was performed. For that purpose, the SED36 star tracker was developed, with a design based on the flight qualified SED16/26. In this paper, the SED36 main features will be first presented. Then, the reduction process of the low frequency error will be developed, particularly the optimization of the optical distortion calibration. The result is an attitude low frequency error of 1.1" at 3 sigma along transverse axes. The implementation of these improvements to HYDRA, the new multi-head APS star tracker developed by SODERN, will finally be presented.
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Julien Ouaknine, Ludovic Blarre, Lionel Oddos-Marcel, Johan Montel, and Jean-Marc Julio "Reduction of low frequency error for SED36 and APS based HYDRA star trackers", Proc. SPIE 10567, International Conference on Space Optics — ICSO 2006, 105672R (21 November 2017); https://doi.org/10.1117/12.2308086
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KEYWORDS
Stars
Calibration
Distortion
Head
Satellites
Interfaces
Thermography
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