NSSC OpenIR  > 空间技术部
Alternative TitleIntegrated navigation based on X-ray pulsars and asteroids during interplanetary cruise
杨成伟; 郑建华; yangchengwei2009@126.com; zhengjianhua@nssc.ac.cn
Source Publication中国惯性技术学报
Keyword脉冲星 小行星 光学 组合导航 巡航段
Other AbstractTo improve the autonomous navigation ability during interplanetary cruise, we designed an autonomous navigation system based on observing pulsars and asteroids. The X-ray pulsars were observed by an X-ray detector, and the images of asteroids were taken by the navigation camera. Thus the times of pulsars' pulse arrival and the pixels of asteroids were obtained through signal processing. The centralized Kalman filter was used to estimate the system's state. The onboard atomic clock error was corrected. The orbit in the Deep Space I mission was adopted to validate this navigation method. The numerical simulation results show that this method is very feasible in the interplanetary cruise phase. Moreover, this integrated navigation system can solve the problem of atomic clock error divergence when the optical navigation based on asteroids is applied independently. This method can improve the orbit determination accuracy by 57.18%.
Indexed ByEI ; CSCD
Funding Project中国科学院空间科学与应用研究中心
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Document Type期刊论文
Corresponding Authoryangchengwei2009@126.com; zhengjianhua@nssc.ac.cn
Recommended Citation
GB/T 7714
杨成伟,郑建华,yangchengwei2009@126.com,等. 基于脉冲星和小行星的组合导航在深空巡航段的应用[J]. 中国惯性技术学报,2012,20(5):583.
APA 杨成伟,郑建华,yangchengwei2009@126.com,&zhengjianhua@nssc.ac.cn.(2012).基于脉冲星和小行星的组合导航在深空巡航段的应用.中国惯性技术学报,20(5),583.
MLA 杨成伟,et al."基于脉冲星和小行星的组合导航在深空巡航段的应用".中国惯性技术学报 20.5(2012):583.
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