基于单探测器的X射线脉冲星深空导航算法

王奕迪; 唐歌实; 郑伟; 李黎

doi:10.6052/0459-1879-12-005

基于单探测器的X射线脉冲星深空导航算法

doi: 10.6052/0459-1879-12-005

王奕迪¹,
唐歌实²,
郑伟¹,
李黎^2, ,

1.
国防科学技术大学航天科学与工程学院, 长沙 410073
2. 航天飞行动力学技术重点实验室, 北京 100094

基金项目: 国家自然科学基金(10973048)和航天飞行动力学技术重点实验室开放基金(AFDL2012002)资助项目.

详细信息

通讯作者:
李黎

中图分类号: V448.22+4
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- 文章访问数: 1936
- HTML全文浏览量: 56
- PDF下载量: 700
- 被引次数: 0
出版历程
- 收稿日期: 2012-01-06
- 修回日期: 2012-06-06
- 刊出日期: 2012-09-18

ALGORITHM FOR X-RAY PULSAR-BASED NAVIGATION USING A SINGLE DETECTOR IN THE DEEP SPACE EXPLORATION

Wang Yidi¹,
Tang Geshi²,
Zheng Wei¹,
Li Li^{2
, ,}

1.
College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China
2. Science and Technology on Aerospace Flight Dynamics Laboratory, Beijing 100094, China

Funds: The project was supported by the National Natural Science Foundation of China (10973048) and the Open Research Foundation of Science and Technology on Aerospace Flight Dynamics Laboratory (AFDL2012002).

摘要

摘要: 提出一种基于单探测器的X射线脉冲星深空导航算法.该算法利用单个X射线探测器在不同时刻的观测数据来构建观测模型,因此航天器不必搭载多个X射线探测器,大幅降低了X射线脉冲星深空导航系统的质量和功耗.针对不同的观测方案,利用线性化可观性分析方法对导航系统进行了可观性分析.分析结果表明,航天器应当分时段观测不同的脉冲星来提高导航性能.最后,给出了相应的仿真算例.仿真结果表明利用该算法能获得与传统算法相近的导航精度.
- X射线脉冲星导航 /
- 单探测器 /
- 深空探测 /
- 可观性分析
Abstract: Algorithm for X-ray pulsar-based navigation using a single detector in the deep space exploration is proposed.The measurement information obtained from a single detector at different measurement times is used to establish an improved measurement model,and then deep space spacecraft need not to carry many X-ray detectors to navigate.The obsevabiltiy of the navigation system with available measurement schemes is investigated using a linear obsevability analysis.The analysis shows that spacecraft should measure various X-ray pulsars at different measurement times in order to get a desirable performance of the navigation system.Corresponding simulations are given.The results of the simulations show that the navigation accuracy of the algorithm is similar with that of traditional algorithm.The results of this work show that the quality of an X-ray pulsar-based navigation system can be reduced greatly by using this algorithm and that this algorithm can provide a possible method of the industrialization of X-ray pulsar-based navigation.
- X-ray pulsar-based navigation /
- observability analysis /
- a single detector /
- deep space exploration

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