Fault diagnosis of nonlinear systems using reduced-order observers and algebraic observers

被引：4

作者：

Martinez-Guerra, Rafael ^{[1
]}

Luviano-Juarez, Alberto ^{[1
]}

机构：

[1] CINVESTAV, IPN, Dept Control Automat, Mexico City 07360, DF, Mexico

来源：

PROCEEDINGS OF THE 45TH IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-14 | 2006年

关键词：

fault diagnosis problem; nonlinear systems; reduced-order observer; algebraic observer;

D O I：

10.1109/CDC.2006.376890

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Two different nonlinear observers are employed in the fault diagnosis problem of nonlinear systems. A diagnosis criteria based on the differential transcendence degree of a field extension is employed. Two systems with two types of faults (multiplicative and additive) are analyzed. Faults are estimated with each observer. Some numerical results are shown to illustrate this methodology and finally, some concluding remarks are given.

引用

页码：544 / 549

页数：6

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