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基于虚拟观测值的X射线单脉冲星星光组合导航

杨博 胡声曼 孙晖 徐帆

杨博, 胡声曼, 孙晖, 等 . 基于虚拟观测值的X射线单脉冲星星光组合导航[J]. 北京航空航天大学学报, 2016, 42(6): 1107-1115. doi: 10.13700/j.bh.1001-5965.2015.0422
引用本文: 杨博, 胡声曼, 孙晖, 等 . 基于虚拟观测值的X射线单脉冲星星光组合导航[J]. 北京航空航天大学学报, 2016, 42(6): 1107-1115. doi: 10.13700/j.bh.1001-5965.2015.0422
YANG Bo, HU Shengman, SUN Hui, et al. Integrated single X-ray pulsar and starlight navigation based on virtual observation value[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(6): 1107-1115. doi: 10.13700/j.bh.1001-5965.2015.0422(in Chinese)
Citation: YANG Bo, HU Shengman, SUN Hui, et al. Integrated single X-ray pulsar and starlight navigation based on virtual observation value[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(6): 1107-1115. doi: 10.13700/j.bh.1001-5965.2015.0422(in Chinese)

基于虚拟观测值的X射线单脉冲星星光组合导航

doi: 10.13700/j.bh.1001-5965.2015.0422
基金项目: 国家自然科学基金(51275027)
详细信息
    作者简介:

    杨博 女,博士,副教授。主要研究方向:航天器自主导航制导、深空探测导航制导和可重复运载器GNC关键技术。Tel.:15901355288 E-mail:yangbo@buaa.edu.cn;胡声曼 女,硕士研究生。主要研究方向:X射线脉冲星自主导航。Tel.:13269830856 E-mail:228737949@qq.com

    通讯作者:

    杨博,Tel.:15901355288 E-mail:yangbo@buaa.edu.cn

  • 中图分类号: P128.4;P145.6;V476.4

Integrated single X-ray pulsar and starlight navigation based on virtual observation value

  • 摘要: 传统的X射线脉冲星导航系统需要同时观测3~4颗脉冲星,有效载荷的质量和功耗极大。因此,单探测器脉冲星导航技术是实现航天器利用X射线脉冲星导航的关键举措。针对单探测器脉冲星导航的可观测性弱和精度低等问题提出了基于虚拟观测值的X射线单脉冲星与星光集中式组合滤波的高精度导航方法,即在X射线脉冲星的长周期内增加与星光同时刻观测的虚拟观测值,以实现高精度的集中式组合滤波算法。同时提出了利用神经网络预测虚拟观测值方法,并与利用动力学递推的方法进行比较,精度可以达到10-7量级。仿真结果表明,该方法可大大提高单探测器的导航的可靠性,补偿由于探测器误差造成的导航误差,导航位置误差为259.79 m,同时有效地减小了导航系统的重量,为X射线脉冲星导航的工程实现提供了参考依据。

     

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出版历程
  • 收稿日期:  2015-06-24
  • 刊出日期:  2016-06-20

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