Observability Analysis of Autonomous Navigation System of Interplanetary Spacecraft
In this paper, an autonomous navigation scheme for interplanetary spacecraft based on the Sun line-of-sight vector measurement is proposed. In order to prove that the directional data alone can completely determine the spacecraft orbit, an analytical observability analysis is implemented through the partial derivative of the measurement equation. Then, a numerical local observability analysis is derived from the Lie derivative. Also presented is a global observability analysis by introducing the condition number of the measurement matrix. Finally, simulation results demonstrate the validity of the proposed navigation algorithm.
Autonomous Navigation Observability Condition Number
Xiaohua Chang Pingyuan Cui Hutao Cui
Deep Space Exploration Research Center, Harbin Institute of Technology, Harbin 150080, China
国际会议
2009年中国控制与决策会议(2009 Chinese Control and Decision Conference)
广西桂林
英文
766-770
2009-06-17（万方平台首次上网日期，不代表论文的发表时间）