吉林大学学报(理学版)

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基于Washout滤波器的Van der Pol-Duffing系统的Hopf分岔控制

杜文举, 张建刚, 俞建宁, 安新磊   

  1. 兰州交通大学 数学系, 兰州 730070
  • 收稿日期:2013-06-13 出版日期:2014-05-26 发布日期:2014-08-27
  • 通讯作者: 张建刚 E-mail:zhangjg7715776@126.com

Control of Hopf Bifurcation in a Van der PolDuffing-System Based on WashoutFilter

DU Wenju, ZHANG Jiangang, YU Jianning, AN Xinlei   

  1. Department of Mathematics, Lanzhou Jiaotong University, Lanzhou 730070, China
  • Received:2013-06-13 Online:2014-05-26 Published:2014-08-27
  • Contact: ZHANG Jiangang E-mail:zhangjg7715776@126.com

摘要:

对一类Van der PolDuffing系统进行Hopf分岔分析,  并基于Washout滤波器设计状态反馈控制器, 讨论控制增益对Hopf分岔的存在性及其极限环幅值的影响. 结果表明, 选取适当的控制增益可以控制Hopf分岔的发生并改变极限环幅值的大小.

关键词: Hopf分岔, Washout滤波器, 极限环幅值, 分岔控制

Abstract:

We studied the Hopf bifurcation  and Hopf bifurcation control for a Van der PolDuffing system. First of all, we analyzed the Hopf bifurcation and designed the linear and nonlinear state feedback controller for the autonomous system. Then, we designed a state feedback controller based on Washout filter, and discussed the impact of the control gain on the existence of the Hopf bifurcation and the limit cycle amplitude. Results show that selecting appropriate control gain can not only control the occurrence of Hopf bifurcation, but also change the size of the limit cycle amplitude.

Key words: Hopf bifurcation, Washoutfilter; , limit cycle amplitude, bifurcation control

中图分类号: 

  • O415