The accuracy analysis of the spacecraft autonomous navigation system based on X-ray pulsars

The accuracy analysis of the spacecraft autonomous navigation system based on X-ray pulsars
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基于X射线脉冲星的航天器自主导航系统精度分析

DOI:
10.1177/0959651812455896
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发表时间:
2013-01
影响因子:
1.6
通讯作者:
Yang, Ningning
Yang, Ningning
中科院分区:
计算机科学4区
文献类型:
--
作者:
Wu, Jinyuan;Yang, Zhaohua;Yang, Ningning

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在未来的深空任务中,航天器需要一个自主和安全的导航系统。X射线脉冲星提供了在太阳系任何地方自主导航的可能性。本文介绍了利用X射线脉冲星发射的信号对航天器自主导航系统的精度进行分析。基于X射线导航原理,模拟了X射线脉冲星在L1太阳观测轨道上的能见度。分析了几何分布和脉冲星角度位置误差对测量结果的影响。列出了导航系统的误差源,包括X射线探测器的测量误差、到达时间(TOA)的转换误差和导航计算误差,并对其各部分进行了仿真。
An autonomous and secure navigation system is needed for the spacecraft in future deep space missions. X-ray pulsar offers the possibility of autonomous navigation anywhere in the solar system. This article introduces an analysis of the spacecraft autonomous navigation system accuracy, utilizing signals emitted from the X-ray pulsars. Based on the principle of the X-ray navigation, visibility of X-ray pulsar on L1 sun-observation orbit was simulated. The influence of the geometry distribution and the pulsar angle position error was analyzed. Error sources of the navigation system were listed, including the measurement error of the X-ray detector, transformation error of time-of-arrival (TOA), and the navigation calculation error, and the simulations of their parts were shown.
DOI: --
发表时间: 2005-09
期刊: --
影响因子: --
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