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|Type:||Artigo de periódico|
|Title:||H∞ State Feedback Switched Control For Discrete Time-varying Polytopic Systems|
|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 Riccati-Metzler inequalities and are described in terms of linear matrix inequalities. An academical example compares the proposed technique with others from the literature. © 2013 Taylor and Francis Group, LLC.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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