Nonlinear sliding mode high-gain observers for fault estimation

被引：62

作者：

Veluvolu, K. C. ^{[1
]}

Kim, M. Y. ^{[1
]}

Lee, D. ^{[1
]}

机构：

[1] Kyungpook Natl Univ, Sch Elect Engn, Coll IT Engn, Taegu 702701, South Korea

来源：

INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE | 2011年 / 42卷 / 07期

关键词：

sliding mode observer; high-gain observer; fault estimation; nonlinear observer; robot-arm; fault reconstruction; STATE OBSERVATION; SYSTEMS; DESIGN;

D O I：

10.1080/00207721.2011.573102

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A robust high gain observer for state and unknown inputs/faults estimations for a special class of nonlinear systems is developed in this article. Ensuring the observability of the faults/unknown inputs with respect to the outputs, the faults can be estimated from the sliding surface. Under a Lipschitz condition for the nonlinear part, the high gain observers are designed under some regularity assumptions. In the sliding mode, the convergence of the estimation error dynamics is proven similar to the analysis of high-gain observers.

引用

页码：1065 / 1074

页数：10

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