Fault Diagnosis for Singular Stochastic Systems

被引：0

作者：

胡卓焕 ^{[1
]}

韩正之 ^{[1
]}

田作华 ^{[1
]}

机构：

[1] School of Electronic,Information and Electrical Engineering,Shanghai Jiaotong University

来源：

Journal of Shanghai Jiaotong University(Science) | 2011年 / 16卷 / 04期

基金：

中国国家自然科学基金;

关键词：

fault detection and diagnosis(FDD); probability density functions(PDFs); stochastic systems; B-spline expansions; linear matrix inequality(LMI);

D O I：

暂无

中图分类号：

O211.6 [随机过程];

学科分类号：

020208 ; 070103 ; 0714 ;

摘要：

This paper studies the fault diagnosis of singular stochastic systems.The probability distribution of output is measured by probability density functions(PDFs),which are modeled by a square root B-spline expansion.An adaptive nonlinear observer is proposed to estimate the size of the fault occurring in systems. Furthermore,the linear matrix inequality(LMI) approach is applied to establish sufficient conditions for the existence of the observer.Finally,the simulation results are given to indicate the method for diagnosing the fault.

引用

页码：497 / 501

页数：5

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