A Robust Fault Detection Approach Based on Unknown Input Observer
A robust fault detection approach based on unknown input observer and its application in an attitude control system are studied. First the necessary and sufficient existence conditions of UIO are presented and proved. Then the application steps of full-order and reduced-order unknown input observer are summarized. The approach is validated by an attitude control system and simulation proves that the fault residual are perfectly de-coupled by disturbances, and the fault can be detected effectively.
fault detection unknown input observer robust de-coupled
Shan Zhenghui Liu Guangbing Li Guohua
Institute.of Hi-Tech.Xian, Shannxi, China, 710025
国际会议
第八届国际测试技术研讨会(8th International Symposium on Test and Measurement)
重庆
英文
2690-2693
2009-08-01（万方平台首次上网日期，不代表论文的发表时间）