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Type: Artigo de periódico
Title: Gain-scheduled dynamic output feedback control for discrete-time LPV systems
Author: De Caigny, J
Camino, JF
Oliveira, RCLF
Peres, PLD
Swevers, J
Abstract: This paper presents synthesis conditions for the design of gain-scheduled dynamic output feedback controllers for discrete-time linear parameter-varying systems. The state-space matrix representation of the plant and of the controller can have a homogeneous polynomial dependency of arbitrary degree on the scheduling parameter. As an immediate extension, conditions for the synthesis of a multiobjective H?8 and H?2 gain-scheduled dynamic feedback controller are also provided. The scheduling parameters vary inside a polytope and are assumed to be a priori unknown, but measured in real-time. If bounds on the rate of parameter variation are known, they can be taken into account, providing less conservative results. The geometric properties of the uncertainty domain are exploited to derive finite sets of linear matrix inequalities based on the existence of a homogeneous polynomially parameter-dependent Lyapunov function. An application of the control design to a realistic engineering problem illustrates the benefits of the proposed approach. Copyright (c) 2011 John Wiley & Sons, Ltd.
Subject: linear parameter-varying systems
discrete-time systems
H?8 and H?2 performance
gain-scheduled dynamic output feedback
Country: EUA
Editor: Wiley-blackwell
Citation: International Journal Of Robust And Nonlinear Control. Wiley-blackwell, v. 22, n. 5, n. 535, n. 558, 2012.
Rights: fechado
Identifier DOI: 10.1002/rnc.1711
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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