H-infinity state feedback switched control for discrete time-varying polytopic systems

H-infinity state feedback switched control for discrete time-varying polytopic systems

Author Deaecto, Grace S. Autor UNIFESP Google Scholar
Geromel, Jose C. Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Universidade Estadual de Campinas (UNICAMP)
Abstract This article treats, in a new framework, a classical design problem, namely H state feedback switched control for discrete time-varying polytopic systems. the main goal is to jointly design a set of state feedback gains and a switching rule in order to assure a pre-specified H guaranteed level. the main contribution is to generalise switched system results to design a switched controller that does not require online measurements of the time-varying parameters. This property has important consequences mainly because the performance quality is preserved even in the lack of parameter information. Our conditions are based on modified RiccatiMetzler inequalities and are described in terms of linear matrix inequalities. An academical example compares the proposed technique with others from the literature.
Keywords discrete-time switched systems
polytopic systems
state feedback switched control
LPV discrete-time systems control
Language English
Sponsor Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Date 2013-04-01
Published in International Journal of Control. Abingdon: Taylor & Francis Ltd, v. 86, n. 4, p. 591-598, 2013.
ISSN 0020-7179 (Sherpa/Romeo, impact factor)
Publisher Taylor & Francis Ltd
Extent 591-598
Origin http://dx.doi.org/10.1080/00207179.2012.750761
Access rights Closed access
Type Article
Web of Science ID WOS:000317283000003
URI http://repositorio.unifesp.br/handle/11600/36173

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