利用小行星视线矢量的火星探测光学自主导航研究

崔文; 宝音贺西; 李俊峰

doi:10.6052/0459-1879-12-071

利用小行星视线矢量的火星探测光学自主导航研究

doi: 10.6052/0459-1879-12-071

1.
清华大学航天航空学院,北京 100084
2. 宇航动力学国家重点实验室,西安 710043

基金项目: 国家重点基础研究发展计划(2012CB720000)和国家自然科学基金(11072122)资助项目.

详细信息

通讯作者:
李俊峰

中图分类号: V448.22
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- 被引次数: 0
出版历程
- 收稿日期: 2012-03-19
- 修回日期: 2012-07-14
- 刊出日期: 2012-11-18

RESEARCH ON OPTICAL AUTONOMOUS NAVIGATION FOR MARS EXPLORATION BASED ON ASTEROIDS' LIGHT-OF-VIEW

Cui Wen^1,2,
BaoYin Hexi¹,
Li Junfeng^{1
, ,}

1.
School of Aerospace,Tsinghua University,Beijing 100084,China
2. State Key Laboratory of Astronautics Dynamics,Xi'an 710043,China

Funds: The project was supported by the National Basic Research Program (2012CB720000) and the National Natural Science Foundation of China (11072122)

摘要

摘要: 结合我国即将开展的自主火星探测计划,研究了航天器在火星探测巡航过程中利用小行星进行光学自主导航的整个过程. 根据巡航段的设计轨道,给出了导航小行星的筛选条件并筛选出可用于实际任务的导航小行星序列. 将自主导航的数据弧段长度设定为30d,数据观测周期为5d. 采用加权最小二乘滤波算法,当数据弧段长度为30d时,导航计算的位置误差在100～400km变化,速度误差不超过0.25m/s.
- 火星探测 /
- 光学自主导航 /
- 小行星筛选 /
- 最小二乘法
Abstract: Based on the upcoming self-Mars Exploration Program of China, the whole process of the optical auto-navi during the Mars exploration cruise segment is studied in this paper. Using the design orbit of the cruise section, the selection criteria and the asteroids sequence for optical navigation are given. The length of observation data arc is set to 30 days, and the period of the observation data is 5 days. Using the weighted least squares algorithm, the position error is from 100km to 400km and the velocity error is less than 0.25m/s when the length of observation data arc is 30 days.
- Mars exploration /
- optical autonomous navigation /
- selection of asteroids /
- the least squares

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参考文献(10)

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