7 May 2010 Optimize the space combinations of measure-vectors of the integrated star-sensor/gyro systems for spacecrafts
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Abstract
In order to achieve continuous attitude information of the spacecrafts or the telescopes, the star-sensors and the gyros are usually integrated to form navigation systems, which measure and determine the attitude-angles synthetically. The space combinations of the measure-vectors of the star-sensors and the gyros are analyzed to find out the influences of the combination modes on the determination precision of the attitude-angles, and the influence trends are summarized. Furthermore, the optimum space combinations of the measure-vectors are proposed for improvement the determination precision of the attitude-angles and the redundancy/complement of star-sensors and gyros. The optimum space combinations of the measure-vectors are benefit for designing optimum integrated star/gyro systems to achieve high determination precision of the attitude-angles, even any of the star-sensors or the gyros works with poor measurement precision, so as to improve the reliability of the navigation systems.
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Xiujian Li, Xiujian Li, Juncai Yang, Juncai Yang, Jiankun Yang, Jiankun Yang, Hui Jia, Hui Jia, Yuanyuan Jiao, Yuanyuan Jiao, Yisheng Yang, Yisheng Yang, Shaofeng Guo, Shaofeng Guo, Mengfei Yang, Mengfei Yang, Dayi Wang, Dayi Wang, Qingchun Fan, Qingchun Fan, } "Optimize the space combinations of measure-vectors of the integrated star-sensor/gyro systems for spacecrafts", Proc. SPIE 7691, Space Missions and Technologies, 76910P (7 May 2010); doi: 10.1117/12.850214; https://doi.org/10.1117/12.850214
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