New Results on Robust Stability and Stabilization of Linear Discrete-Time Stochastic Systems with Convex Polytopic Uncertainties

This paper addresses the robust stability for a class of linear discrete-time stochastic systems with convex polytopic uncertainties. The system to be considered is subject to both interval time-varying delays and convex polytopic type uncertainties. Based on the augmented parameter-dependent Lyapun...

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Main Authors: P. Niamsup, G. Rajchakit
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Journal of Applied Mathematics
Online Access:http://dx.doi.org/10.1155/2013/368259
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author P. Niamsup
G. Rajchakit
author_facet P. Niamsup
G. Rajchakit
author_sort P. Niamsup
collection DOAJ
description This paper addresses the robust stability for a class of linear discrete-time stochastic systems with convex polytopic uncertainties. The system to be considered is subject to both interval time-varying delays and convex polytopic type uncertainties. Based on the augmented parameter-dependent Lyapunov-Krasovskii functional, new delay-dependent conditions for the robust stability are established in terms of linear matrix inequalities. An application to robust stabilization of linear discrete-time stochastic control systems is given. Numerical examples are included to illustrate the effectiveness of our results.
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institution Kabale University
issn 1110-757X
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publishDate 2013-01-01
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series Journal of Applied Mathematics
spelling doaj-art-b2dfacc2dbb54537b2787b95f9f364ba2025-02-03T01:11:20ZengWileyJournal of Applied Mathematics1110-757X1687-00422013-01-01201310.1155/2013/368259368259New Results on Robust Stability and Stabilization of Linear Discrete-Time Stochastic Systems with Convex Polytopic UncertaintiesP. Niamsup0G. Rajchakit1Department of Mathematics, Faculty of Science, Chiang Mai University, Chiangmai 50200, ThailandDivision of Mathematics and Statistics, Faculty of Science, Maejo University, Chiangmai 50290, ThailandThis paper addresses the robust stability for a class of linear discrete-time stochastic systems with convex polytopic uncertainties. The system to be considered is subject to both interval time-varying delays and convex polytopic type uncertainties. Based on the augmented parameter-dependent Lyapunov-Krasovskii functional, new delay-dependent conditions for the robust stability are established in terms of linear matrix inequalities. An application to robust stabilization of linear discrete-time stochastic control systems is given. Numerical examples are included to illustrate the effectiveness of our results.http://dx.doi.org/10.1155/2013/368259
spellingShingle P. Niamsup
G. Rajchakit
New Results on Robust Stability and Stabilization of Linear Discrete-Time Stochastic Systems with Convex Polytopic Uncertainties
Journal of Applied Mathematics
title New Results on Robust Stability and Stabilization of Linear Discrete-Time Stochastic Systems with Convex Polytopic Uncertainties
title_full New Results on Robust Stability and Stabilization of Linear Discrete-Time Stochastic Systems with Convex Polytopic Uncertainties
title_fullStr New Results on Robust Stability and Stabilization of Linear Discrete-Time Stochastic Systems with Convex Polytopic Uncertainties
title_full_unstemmed New Results on Robust Stability and Stabilization of Linear Discrete-Time Stochastic Systems with Convex Polytopic Uncertainties
title_short New Results on Robust Stability and Stabilization of Linear Discrete-Time Stochastic Systems with Convex Polytopic Uncertainties
title_sort new results on robust stability and stabilization of linear discrete time stochastic systems with convex polytopic uncertainties
url http://dx.doi.org/10.1155/2013/368259
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AT grajchakit newresultsonrobuststabilityandstabilizationoflineardiscretetimestochasticsystemswithconvexpolytopicuncertainties