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Optimize the Space Combinations of Measure-vectors of the Integrated Star-sensor/Gyro Systems for Spacecrafts

机译:优化航天器集成星敏感器/陀螺仪系统测量向量的空间组合

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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.
机译:为了获得航天器或望远镜的连续姿态信息,通常将星形传感器和陀螺仪集成在一起以形成导航系统,该导航系统综合测量和确定姿态角。分析了星形传感器和陀螺仪测量向量的空间组合,找出了组合模式对姿态角确定精度的影响,并总结了其影响趋势。此外,提出了测量矢量的最佳空间组合,以提高姿态角的确定精度以及星形传感器和陀螺仪的冗余/互补。测量向量的最佳空间组合有利于设计最佳的集成星形/陀螺仪系统,以实现较高的姿态角确定精度,即使是任何星形传感器或陀螺仪也都具有较差的测量精度,从而可以改善导航系统的可靠性。

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