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Robust Stability Analysis for Uncertain Switched Discrete-Time Systems

By Yali Dong

Abstract

This paper is concerned with the robust stability for a class of switched discrete-time systems with state parameter uncertainty. Firstly, a new matrix inequality considering uncertainties is introduced and proved. By means of it, a novel sufficient condition for robust stability of a class of uncertain switched discrete-time systems is presented. Furthermore, based on the result obtained, the switching law is designed and has been performed well, and some sufficient conditions of robust stability have been derived for the uncertain switched discrete-time systems using the Lyapunov stability theorem, block matrix method and inequality technology. Finally, some examples are exploited to illustrate the effectiveness of the proposed schemes

Topics: Mathematics, QA1-939
Publisher: Hindawi Limited
Year: 2011
DOI identifier: 10.1155/2011/523020
OAI identifier: oai:doaj.org/article:ef88761c9c4a45caba665a65d914c33e
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