Optimize the space combinations of measure-vectors of the integrated star-sensor/gyro systems for spacecrafts

Xiujian Li; Juncai Yang; Jiankun Yang; Hui Jia; Yuanyuan Jiao; Yisheng Yang; Shaofeng Guo; Mengfei Yang; Dayi Wang; Qingchun Fan

doi:10.1117/12.850214

7 May 2010 Optimize the space combinations of measure-vectors of the integrated star-sensor/gyro systems for spacecrafts

Xiujian Li, Juncai Yang, Jiankun Yang, Hui Jia, Yuanyuan Jiao, Yisheng Yang, Shaofeng Guo, Mengfei Yang, Dayi Wang, Qingchun Fan

Author Affiliations +

Proceedings Volume 7691, Space Missions and Technologies; 76910P (2010) https://doi.org/10.1117/12.850214
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

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, Juncai Yang, Jiankun Yang, Hui Jia, Yuanyuan Jiao, Yisheng Yang, Shaofeng Guo, Mengfei Yang, Dayi Wang, and 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); https://doi.org/10.1117/12.850214

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KEYWORDS

Gyroscopes

Space operations

Navigation systems

System integration

Sensors

Optical testing

Space telescopes

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