Computer Science
Scientific paper
Apr 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010spie.7691e..15l&link_type=abstract
Space Missions and Technologies. Edited by Cox, Joseph L.; Bester, Manfred G.; Fink, Wolfgang. Proceedings of the SPIE, Volume
Computer Science
Scientific paper
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.
Fan Qingchun
Guo Shaofeng
Jia Hui
Jiao Yuanyuan
Li Xiujian
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