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http://dx.doi.org/10.5391/JKIIS.2003.13.5.606

Radial Basis Function Network Based Predictive Control of Chaotic Nonlinear Systems  

Choi, Yoon-Ho (School of Electronic Engineering, Kyonggi University)
Kim, Se-Min (LG Innotek Co., Ltd.)
Publication Information
Journal of the Korean Institute of Intelligent Systems / v.13, no.5, 2003 , pp. 606-613 More about this Journal
Abstract
As a technical method for controlling chaotic dynamics, this paper presents a predictive control for chaotic systems based on radial basis function networks(RBFNs). To control the chaotic systems, we employ an on-line identification unit and a nonlinear feedback controller, where the RBFN identifier is based on a suitable NARMA real-time modeling method and the controller is predictive control scheme. In our design method, the identifier and controller are most conveniently implemented using a gradient-descent procedure that represents a generalization of the least mean square(LMS) algorithm. Also, we introduce a projection matrix to determine the control input, which decreases the control performance function very rapidly. And the effectiveness and feasibility of the proposed control method is demonstrated with application to the continuous-time and discrete-time chaotic nonlinear system.
Keywords
Chaos control; Chaotic systems; Predictive control; Radial basis function network; Projection matrix;
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