Unknown input observers for switched nonlinear discrete time Descriptor systems

被引：90

作者：

Koenig, D. ^{[1
]}

Marx, B. ^{[2
]}

Jacquet, D. ^{[1
]}

机构：

[1] Inst Natl Polytech Grenoble, Gipsa Lab, UMR, F-38402 St Martin Dheres, France

[2] Univ Nancy 1, CNRS, CRAN, UMR, F-54516 Vandoeuvre Les Nancy, France

来源：

IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 2008年 / 53卷 / 01期

关键词：

hybrid systems; polyquadratic stability; switched descriptor systems; unknown input (UI) observers; OUTPUT-FEEDBACK; LINEAR-SYSTEMS; DESIGN; STABILIZATION; STABILITY; STATE;

D O I：

10.1109/TAC.2007.914226

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, a linear matrix inequality technique for the state estimation of discrete-time, nonlinear switched descriptor systems is developed. The considered systems are composed of linear and nonlinear parts. An observer giving a perfect unknown input decoupled state estimation is proposed. Sufficient conditions of global convergence of observers are proposed. Numerical examples are given to illustrate this method.

引用

页码：373 / 379

页数：7

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