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Type: Artigo de periódico
Title: Stationary Policies For Lower Bounds On The Minimum Average Cost Of Discrete-time Nonlinear Control Systems
Author: Vargas A.N.
Ishihara J.Y.
Do Val J.B.
Abstract: The paper deals with the control problem of discrete-time nonlinear systems. The main contribution of this note is to present conditions that assure the existence of stationary policies that generate lower bounds for the minimal long-run average cost. These lower bounds coincide with the optimal solution when a mild convergence assumption holds. To illustrate the results, the paper presents an application for the simultaneous state-feedback control problem, and the derived strategy is used to design a real-time simultaneous control for two direct current motor devices. The dynamics of these two devices are written in terms of a nonlinear algebraic matrix recurrence, which in turn represents a particular case for our general nonlinear approach. The optimal gain for the corresponding simultaneous state-feedback problem is obtained, and such a gain was implemented in a laboratory testbed to control simultaneously the two direct current motors. © 2013 John Wiley & Sons, Ltd.
Rights: fechado
Identifier DOI: 10.1002/rnc.3034
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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