Design of robust fault detection in uncertain linear systems via high-order PI observers

被引:0
|
作者
Wang, Guo-Sheng [1 ]
Guan, Xin-Ping [2 ]
Lü, Qiang [1 ]
机构
[1] Department of Control Engineering, Academy of Armored Force Engineering, Beijing 100072, China
[2] School of Electronic Information and Electrical Engineering, Shanghai Jiaotong University, Shanghai 200240, China
关键词
Existence conditions - Multiple constraint - Optimal problems - Parametric solutions - Proportional integral - Robust fault detection - Sylvester matrix equations - Uncertain linear system;
D O I
10.3969/j.issn.1001-506X.2013.02.22
中图分类号
学科分类号
摘要
The problem of designing robust fault detection via high-order proportional integral (PI) observers in uncertain linear systems with disturbances is investigated. Based on the parametric solutions of a class of Sylvester matrix equations, the problem of designing robust fault detection via high-order PI observers is changed into an optimal problem with multiple constraints. Based on the solution of the optimal problem, the necessary and sufficient existence condition of the high-order PI observer with the robust fault detection function is derived, and a design method of robust fault detection in uncertain linear systems with disturbances is proposed. Finally, a numerical example and its simulation results show that the proposed method is effective.
引用
收藏
页码:366 / 372
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