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Type: Artigo
Title: Reduced-order dynamic output feedback control of uncertain discrete-time Markov jump linear systems
Author: Morais, Cecília F.
Braga, Márcio F.
Oliveira, Ricardo C. L. F.
Peres, Pedro L. D.
Abstract: his paper deals with the problem of designing reduced-order robust dynamic output feedback controllers for discrete-time Markov jump linear systems (MJLS) with polytopic state space matrices and uncertain transition probabilities. Starting from a full order, mode-dependent and polynomially parameter-dependent dynamic output feedback controller, sufficient linear matrix inequality based conditions are provided for the existence of a robust reduced-order dynamic output feedback stabilising controller with complete, partial or none mode dependency assuring an upper bound to the H∞ or the H2 norm of the closed-loop system. The main advantage of the proposed method when compared to the existing approaches is the fact that the dynamic controllers are exclusively expressed in terms of the decision variables of the problem. In other words, the matrices that define the controller realisation do not depend explicitly on the state space matrices associated with the modes of the MJLS. As a consequence, the method is specially suitable to handle order reduction or cluster availability constraints in the context of H∞ or H2 dynamic output feedback control of discrete-time MJLS. Additionally, as illustrated by means of numerical examples, the proposed approach can provide less conservative results than other conditions in the literature
Subject: Desigualdades matriciais lineares
Country: Reino Unido
Editor: Taylor & Francis
Rights: Fechado
Identifier DOI: 10.1080/00207179.2016.1245871
Date Issue: 2017
Appears in Collections:FEEC - Artigos e Outros Documentos

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