Autonomous navigation of mars probe using X-ray pulsar based on a modified AEKF

被引：0
作者：
Wei, Erhu [1 ,2 ]
Zhang, Shuai [1 ]
Wei, Jianan [3 ]
机构：
[1] School of Geodesy and Geomatics, Wuhan University, Wuhan
[2] Collaborative Innovation Center for Geospatial Technology, Wuhan
[3] Faculty of Built Environment, University of New South Wales, NSW
来源：
Wuhan Daxue Xuebao (Xinxi Kexue Ban)/Geomatics and Information Science of Wuhan University | 2015年 / 40卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Autonomous navigation; Mars probe; Modified AEKF; X-ray pulsar;
D O I：
10.13203/j.whugis20130773
中图分类号：
学科分类号：
摘要：
Autonomous navigation with X-ray pulsar can provide continuous and high-precision autonomous navigation information and high-precision time, and standard for the deep space probe and interstellar vehicle. In order to study how to improve the autonomous navigation accuracy and acquire reliable navigation information quickly of the Mars probe, a modified adaptive extended Kalman filtering (AEKF) is studied. Results of the numerical experiment show that the three-dimensional positioning accuracy can achieve 1 000 m in X-axis, 350 m in Y-axis and 350 m in Z-axis. The three-dimensional velocity accuracy is stable within 0.05 m/s. Moreover, the AEKF can effectively overcome the influence of the initial state deviation and achieve a good estimate value of the state. ©, 2015, Wuhan University. All right reserved.
引用
收藏
页码：701 / 705
页数：4
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