计算机工程与应用 ›› 2010, Vol. 46 ›› Issue (5): 229-232.DOI: 10.3778/j.issn.1002-8331.2010.05.069

• 工程与应用 • 上一篇    下一篇

基于混沌优化的LS-SVM非线性预测控制方法

杨 红,罗 飞,许玉格,梁筱斌   

  1. 华南理工大学 自动化科学与工程学院,广州 510641
  • 收稿日期:2008-08-25 修回日期:2008-11-10 出版日期:2010-02-11 发布日期:2010-02-11
  • 通讯作者: 杨 红

New LS-SVM nonlinear predicative controller method based on chaos optimization

YANG Hong,LUO Fei,XU Yu-ge,LIANG Xiao-bin   

  1. School of Automation Science and Engineering,South China University of Technology,Guangzhou 510641,China
  • Received:2008-08-25 Revised:2008-11-10 Online:2010-02-11 Published:2010-02-11
  • Contact: YANG Hong

摘要: 针对非线性系统的控制问题,提出了一种基于LS-SVM的预测控制技术。该方法将LS-SVM和非线性预测控制思想有机结合,利用混沌映射的特性,通过引入混沌优化技术对LS-SVM参数进行优化,同时又将其作为滚动优化策略,避免了非线性预测控制中复杂的梯度计算和矩阵求逆问题,仿真研究说明了该非线性预测控制器的有效性及实时性。

关键词: LS-SVM, 混沌优化, 预测控制, 滚动优化

Abstract: A new method of nonlinear controller is proposed based on support vector machine and the concept of nonlinear predictive controller.This controller can optimize these parameters in LS-SVM using chaos optimization according to the feature of chaotic mapping and COA can also be utilized as online optimization.It can avoid calculating the complicated gradient and the inverse matrix in the nonlinear predictive control.The simulation studies show the effective performance of the proposed controller.

Key words: LS-SVM, chaos optimization, predictive controller, rolling optimization

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