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Type: Artigo de periódico
Title: Passivity of switched linear systems: Analysis and control design
Author: Geromel, JC
Colaneri, P
Bolzern, P
Abstract: A passive system with positive definite storage function is not only stable but is intrinsically robustly stable with respect to a wide class of feedback disturbances. For linear time invariant systems, passivity can be characterized either in time domain or in frequency domain from positive realness. This paper aims to generalize this concept to continuous-time switched linear systems. Analysis is performed by taking into account state dependent and arbitrary time dependent switching functions with a prescribed dwell time. A control design problem related to the determination of a switching strategy, based upon output measurements, that renders a switched linear system passive is also considered. The methods introduced in the paper can be effectively applied to the control of the duty cycle and passivation of switched circuits. (C) 2012 Elsevier B.V. All rights reserved.
Subject: Passivity
Switched systems
LMI conditions
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.sysconle.2012.02.008
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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