Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/77908
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Type: Journal article
Title: Mean-square data-based controller for nonlinear polynomial systems with multiplicative noise
Author: Basin, M.
Shi, P.
Soto, P.
Citation: Information Sciences, 2012; 195:256-265
Publisher: Elsevier Science Inc
Issue Date: 2012
ISSN: 0020-0255
Statement of
Responsibility: 
Michael Basin, Peng Shi, Pedro Soto
Abstract: This paper presents the mean-square optimal data-based quadratic-Gaussian controller for stochastic nonlinear polynomial systems with a polynomial multiplicative noise, a linear control input, and a quadratic criterion over linear observations. The mean-square optimal closed-form controller equations are obtained using the separation principle, whose applicability to the considered problem is substantiated. As an intermediate result, the paper gives a closed-form solution of the optimal regulator (control) problem for stochastic nonlinear polynomial systems with a polynomial multiplicative noise, a linear control input, and a quadratic criterion. Performance of the obtained mean-square optimal data-based controller is verified in the illustrative example against the conventional LQG controller that is optimal for linearized systems. Simulation graphs demonstrating overall performance and computational accuracy of the designed optimal controller are included. © 2012 Elsevier Inc. All rights reserved.
Keywords: Data-based controller
Stochastic system
Multiplicative noise
Rights: © 2012 Elsevier Inc. All rights reserved.
DOI: 10.1016/j.ins.2012.01.028
Published version: http://dx.doi.org/10.1016/j.ins.2012.01.028
Appears in Collections:Aurora harvest
Electrical and Electronic Engineering publications

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