电光与控制, 2012, 19 (4): 64, 网络出版: 2012-04-11  

基于层次滤波器结构的卫星故障检测隔离

Failure Detection and Isolation Based on Filter Level Configuration
作者单位
空军工程大学工程学院,西安710038
摘要
随着GPS/SINS组合导航系统应用领域的拓展,GPS完好性问题越来越受到关注。为快速有效地检测隔离GPS卫星慢变故障,提出一种层次滤波器结构,采用伪距量测的滤波算法,基于该结构完成了SINS/GPS组合导航算法和故障检测隔离算法的设计。以4颗星为例,仿真验证该方案不仅可以准确检测隔离慢变故障,而且可以使用未受故障卫星污染的滤波器继续进行导航解算。
Abstract
With the exploitation of GPS/SINS integrated navigation system,more and more attention was paid to GPS integrity.Aiming at efficiently detecting and isolating slow growing errors(SGE)occurred in GPS satellites,a filter level configuration was proposed,the SINS/GPS integrated navigation algorithm and failure detection/isolation algorithm were designed based on the proposed configuration.Taking four satellites as a special case,the schemes ability to detect and isolate SGE was verified through simulation,and the navigation process can be proceeded without interruption using the uncontaminated filter.

黄国荣, 彭兴钊, 郭创, 程洪炳. 基于层次滤波器结构的卫星故障检测隔离[J]. 电光与控制, 2012, 19(4): 64. HUANG Guorong, PENG Xingzhao, GUO Chuang, CHENG Hongbing. Failure Detection and Isolation Based on Filter Level Configuration[J]. Electronics Optics & Control, 2012, 19(4): 64.

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