Fault Estimation for Nonlinear Dynamic Systems

被引：0
|
作者：
Jiqing Qiu
Mifeng Ren
Yanrong Niu
Yanchun Zhao
Yuming Guo
机构：
[1] Hebei University of Science and Technology,School of Science
来源：
Circuits, Systems, and Signal Processing | 2012年 / 31卷
关键词：
Fault estimation; Fault detection; Fault diagnosis observer; Nonlinear dynamic systems; Linear matrix inequality;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, the problems of fault detection and estimation for nonlinear dynamic systems are considered by using fault detection observer and adaptive fault diagnosis observer. Based on Lyapunov stability theory and linear matrix inequality (LMI) techniques, a new sufficient condition in terms of LMIs for the proposed problem is derived. At the same time, we get the adaptive fault estimation algorithm. The LMI condition can be easily solved by MATLAB LMI toolbox. Finally, a flexible joint robotic example is given to illustrate the efficiency of the proposed approach.
引用
收藏
页码：555 / 564
页数：9
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