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一个新系统中混沌吸引子的形成机制及其混沌控制
引用本文:豆福全,孙建安,段文山,吕克璞. 一个新系统中混沌吸引子的形成机制及其混沌控制[J]. 西北师范大学学报(自然科学版), 2008, 44(1): 34-37
作者姓名:豆福全  孙建安  段文山  吕克璞
作者单位:西北师范大学物理与电子工程学院,甘肃兰州730070
基金项目:国家自然科学基金 , 甘肃省自然科学基金
摘    要:分析了一个新混沌系统中混沌吸引子的形成机制,研究表明这类混沌吸引子是由2个简单的混沌吸引子通过一个镜像映射相互融合而成的复合结构. 利用线性负反馈法将混沌控制到平衡点,根据Routh-Hurwitz稳定性条件获得了达到控制目标时反馈参数所满足的条件. 基于Mathematica程序,用数值方法验证了以上方法的有效性.

关 键 词:混沌系统  形成机制  负反馈方法  混沌控制  新混沌系统  类混沌吸引子  形成机制  混沌控制  chaotic system  controlling chaos  chaotic attractor  mechanism  有效性  方法验证  数值  程序  Mathematica  定性条件  参数  负反馈  控制目标  平衡点  线性  利用
文章编号:1001-988X(2008)01-0034-04
收稿时间:2007-07-09
修稿时间:2007-10-18

Forming mechanism of chaotic attractor and controlling chaos in a new chaotic system
DOU Fu-quan,SUN Jian-an,DUAN Wen-shan,L Ke-pu. Forming mechanism of chaotic attractor and controlling chaos in a new chaotic system[J]. Journal of Northwest Normal University Natural Science (Bimonthly), 2008, 44(1): 34-37
Authors:DOU Fu-quan  SUN Jian-an  DUAN Wen-shan  L Ke-pu
Affiliation:DOU Fu-quan,SUN Jian-an,DUAN Wen-shan,L(U) Ke-pu
Abstract:The forming mechanism of a new chaotic attractor is investigated, the results show that the new chaotic attractor has a compound structure, which is obtained by merging together two simple attractors after performing a mirror operation. Furthermore, a linear feedback method is used to suppress chaos to unstable equilibrium. The Routh-Hurwitz criterion is applied to study the conditions of the asymptotic stability of the controlled chaotic system. Based on Mathematica program, numerical simulations are presented to demonstrate the effectiveness of these methods.
Keywords:chaotic system   forming mechanism   feedback method   controlling chaos
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