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Type: Artigo de periódico
Title: Extended small gain theorem for time-delay switched systems control and closed-loop robustness enhancement
Author: Deaecto, GS
Geromel, JC
Galbusera, L
Bolzern, P
Abstract: This paper generalises the Small Gain Theorem SGT to cope with switched linear systems. A switching strategy able to guarantee stability of the feedback interconnection of a switching linear subsystem and a linear stable norm-bounded perturbation is developed. The new version of SGT is specially important to solve two different problems. The first one concerns the possibility of enhancing the robustness of a feedback control system by appropriately orchestrating the switches among a set of given linear regulators. The second problem is the design of a stabilising switching strategy for time-delay switched systems. Both cases of state and output feedback switching laws are considered. Remarkably, since the sufficient conditions for the existence of a solution are delay-dependent, they are less conservative with respect to previous results in the literature. The theory is illustrated by means of academic examples.
Subject: switched systems
linear matrix inequality
Country: Inglaterra
Editor: Taylor & Francis Ltd
Citation: International Journal Of Control. Taylor & Francis Ltd, v. 86, n. 6, n. 1018, n. 1025, 2013.
Rights: fechado
Identifier DOI: 10.1080/00207179.2013.771284
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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