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Alternative TitleFault tolerant UKF application in pulsar-based integrated navigation
杨成伟; 郑建华; 高东
Source Publication中国惯性技术学报
Keyword脉冲星 太阳敏感器 Ukf 滤波 野值检测 容错滤波
Abstract针对X射线脉冲星组合导航系统中测量野值导致的导航精度下降问题,利用基于残差正交性的Unscented Kalman Filter (UKF)容错滤波方法进行野值修正。在深空巡航段,采用基于X射线脉冲星和太阳观测的组合导航方式,用X射线探测器测量脉冲星光子到达时间,利用太阳敏感器测量太阳视线方向矢量,并利用联邦滤波结构进行信息融合。仿真结果表明,基于UKF的容错滤波算法在脉冲星组合导航系统的应用中,能够对野值进行实时修正,避免了导航精度下降,提高了系统的鲁棒性和工程实用价值。
Other AbstractIn view of the low navigation accuracy caused by the outliers in the pulsar-based integrated navigation system, a residual orthogonal unscented Kalman filter (ROUKF) was employed to correct the outliers. During interplanetary cruise, an integrated navigation was applied which included X-ray pulsar navigation system and sun observation navigation system. The X-ray detector was used to record the arrival times of pulsar photons. The sun sensor was used to measure the sun line-of-sight vector. The information fusion was conducted by the federated filter. Simulation results demonstrate that the ROUKF in the pulsar-based integrated navigation system can effectively correct the outliers. The proposed method improves the robust capability and the application value of the pulsar-based integrated navigation system.
Indexed ByEI ; CSCD
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Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
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GB/T 7714
杨成伟,郑建华,高东. UKF容错滤波在脉冲星组合导航中的应用[J]. 中国惯性技术学报,2014,22(6):759-762.
APA 杨成伟,郑建华,&高东.(2014).UKF容错滤波在脉冲星组合导航中的应用.中国惯性技术学报,22(6),759-762.
MLA 杨成伟,et al."UKF容错滤波在脉冲星组合导航中的应用".中国惯性技术学报 22.6(2014):759-762.
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