计算物理 ›› 2010, Vol. 27 ›› Issue (6): 927-932.

• 研究论文 • 上一篇    下一篇

一类自治混沌系统的动力学分析与电路实现

王梦蛟1,2, 曾以成1, 徐茂林3   

  1. 1. 湘潭大学材料与光电物理学院, 湖南 湘潭 411105;
    2. 湖南人文科技学院物理与信息工程系, 湖南 娄底 417000;
    3. 北京信息科技大学, 北京 100101
  • 收稿日期:2009-07-03 修回日期:2009-10-19 出版日期:2010-11-25 发布日期:2010-11-25
  • 作者简介:王梦蚊(1983-),男,湖南湘潭,硕士,从事混沌信号处理研究,湖南省湘潭市雨湖区湘潭大学材料与光电物理学院9010信箱411105.
  • 基金资助:
    国家自然科学基金(60772015,60972147);湖南省科技厅科技计划项目(2008FJ3096);湖南省自然科学基金(08JJ5031)资助项目

Dynamical Analysis and Circuit Implementation of an Autonomous Chaotic System

WANG Mengjiao1,2, ZENG Yicheng1, XU Maolin3   

  1. 1. School of Material Science and Photoelectronic Physics, Xiangtan University, Xiangtan 411005, China;
    2. Department of Physics and Information Engineering, Hunan Institute of Humanities, Science and Technology, Loudi 417000, China;
    3. Beijing Information Technology Institute, Beijing 100101, China
  • Received:2009-07-03 Revised:2009-10-19 Online:2010-11-25 Published:2010-11-25

摘要: 分析讨论一类新的三维二次自治混沌系统.通过理论分析、数值仿真,计算系统的Lyapunov指数谱和Lyapunov维数,以及系统的分岔图等,对系统的基本动力学特性进行分析.设计实现该系统的混沌电路,建立系统参数和电路参数的对应关系,运用Pspice软件对电路进行仿真实验,证实分析的正确性.所讨论的系统不同于Lorenz系统、Rössler系统、Chen系统和Lü系统等,且电路实现很简单实用.

关键词: 三维混沌系统, Lyapunov指数谱, 电路实现

Abstract: We study a three-dimensional quadratic autonomous chaotic system.Basic dynamic characteristics are analyzed via theoretical analysis and numerical simulation.Lyapunov exponent spectrum,Lyapunov dimension as well as bifurcation diagram are calculated.An electronic circuit is designed to realize the chaotic system.Relationships between system parameters and circuit parameters are built.The circuit is simulated using Pspice.Simulation results confirm the analysis.The system discussed is different from Lorenz system,Rössler system,Chen system and Lü system.The chaotic circuit is simple and practical.

Key words: three-dimensional chaotic system, Lyapunov exponent spectrum, circuitry implementation

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