Robust Control of Switched Linear Systems with Output Switching Strategy
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Data
2015-10-29
Autores
Mainardi Júnior, Edson Italo
Teixeira, Marcelo Carvalho Minhoto [UNESP]
Cardim, Rodrigo [UNESP]
Assunção, Edvaldo [UNESP]
Moreira, Manoel Rodrigo [UNESP]
de Oliveira, Diogo Ramalho [UNESP]
Carniato, Alexandre Ataide
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Resumo
This paper investigates the robust control problem of continuous-time uncertain switched linear systems, using only a switching strategy depending on the plant output. The proposed method is based on linear matrix inequalities (LMIs). A set of slack variables is introduced to reduce the design conservatism, and new sufficient LMI conditions for the synthesis of the controllers are presented. Two examples show that the proposed method has an adequate performance even in situations when the matrices of the linear subsystems are not Hurwitz and offers a simple and efficient solution for this control problem.
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Linear matrix inequalities, Output switching strategy, Quadratic Lyapunov function, Robust control with polytopic uncertainties, Switched linear systems
Como citar
Journal of Control, Automation and Electrical Systems, v. 26, n. 5, p. 455-465, 2015.