基于广义似然比的冗余惯组故障检测方法研究  

Research on fault detection for redundant inertial measuring unit based on the generalized likelihood ratio

作　　者：武唯强[1] 闫杰[1] 温琦[1] 

机构地区：[1]西北工业大学航天学院,陕西西安710072

出　　处：《电子设计工程》2015年第5期64-66,70,共4页Electronic Design Engineering

基　　金：国家自然科学基金(90816027);航空基金(20135853037);航天支撑基金资助(2013HTXGD;2014HTXGD)

摘　　要：工程中用备份惯性器件构成冗余捷联惯组(RIMU,Redundant IMU)以提高导航、制导系统的可靠性,针对某工程中的实际问题:三种冗余配置的捷联惯组,研究广义似然比法在三种配置下的误警率并进行比较分析,得到具有工程参考价值的结果:采用十表冗余配置的捷联惯组误警率最小。Engineering with backup inertial devices constitute Redundant Strapdown Inertial Measuring Unit（RIMU,Redundant IMU） to improve the reliability of navigation, guidance system. For the practical problems in Engineering： three redundant configurations of SIMU, the false alarm rate of generalized likelihood ratio method in three configurations is researched and comparative analyzed. The result with engineering reference value is obtained： SIMU using ten scale redundant configurations has the minimum false alarm rate.

关 键 词：故障捷联 冗余惯组 广义似然比 误警率 

分 类 号：TN96[电子电信—信号与信息处理]