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Indirect Kalman-Filter's Application on CNS/SINS Integrated Navigation System of Spacecraft
Author(s): 
Pages: 88-90
Year: Issue:  3
Journal: MEASUREMENT & CONTROL TECHNOLOGY

Keyword:  间接Kalman滤波组合导航系统天文导航系统捷联式惯性导航系统;
Abstract: 为了利用最优估计法实现捷联惯导系统和天文导航系统的组合,讨论了捷联惯导和天文导航两子系统的组合方式,初步建立了针对Kalman滤波的组合导航模型,在此基础上对比了直接法Kalman滤波和间接法Kalman滤波,并采用反馈校正法针对即得模型设计了间接Kalman滤波器.分析仿真结果表明,间接Kalman滤波器能较好实现两个子系统的组合,使两系统间的信息相互渗透,起到性能互补的作用.
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