A double-FOV star sensor for high dynamic spacecraft navigation

Hua Zhang; Hongshi Sang; Xubang Shen

doi:10.1117/12.833047

30 October 2009 A double-FOV star sensor for high dynamic spacecraft navigation

Hua Zhang, Hongshi Sang, Xubang Shen

Proceedings Volume 7494, MIPPR 2009: Multispectral Image Acquisition and Processing; 74940X (2009) https://doi.org/10.1117/12.833047
Event: Sixth International Symposium on Multispectral Image Processing and Pattern Recognition, 2009, Yichang, China

Abstract

To get high-precision attitude of the spacecrafts in high dynamic maneuver, a double-FOV(field of view) star sensor is proposed. It is composed of two lenses and two image sensors. The star images of the smaller FOV are used to estimate the attitude of the spacecraft for high-precision, and those of the larger FOV are used to speed the star identification process. Moreover, when the smaller FOV can not capture enough stars, the stars in the larger FOV can be used to estimate the attitude of the spacecraft, which enhances the robustness of the star sensor. The simulation results show that the star sensor can provide high-accuracy attitudes while the spacecraft is in high dynamic maneuver stage.

Citation Download Citation

Hua Zhang, Hongshi Sang, and Xubang Shen "A double-FOV star sensor for high dynamic spacecraft navigation", Proc. SPIE 7494, MIPPR 2009: Multispectral Image Acquisition and Processing, 74940X (30 October 2009); https://doi.org/10.1117/12.833047

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