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两个新混沌系统模型的同步控制研究
Synchronous Controls of Two New Chaotic Systems
【摘要】 对于两个新混沌系统。先分析了它们的动力学特征,然后讨论了它们的混沌同步问题。基于Lyapunov函数,分别使用线性和非线性反馈控制方案,实现了这两个新混沌系统的同步,得到了同步的充分条件。通过同步实例表明,线性反馈比非线性反馈结构简单,易于实现。数值仿真表明了这两种方案的有效性。
【Abstract】 Two new chaotic systems are studied.Their dynamic behaviors were analyzed firstly,then their chaotic synchronization was studied.Based on Lyapunove theory,linear and nonlinear feedback control methods were given.The two methods can both achieve chaotic synchronization of two new chaotic systems,then reach the abundant terms of their synchronization.The synchronization proves that linear controls have simpler structures and can be obtained more easily campared with nonlinear controls.Finally,the numerical simulation results verify the effectiveness of the methods.
【关键词】 新混沌系统;
线性反馈;
非线性反馈;
混沌同步;
【Key words】 new chaotic system linear feedback nonlinear feedback chaotic synchronization;
【Key words】 new chaotic system linear feedback nonlinear feedback chaotic synchronization;
【基金】 国家博士后基金(2003033498);江苏省教育厅基金(03KJD110070,03SJB630002);江苏大学校基金(JDQ03020,02JDQ014)资助
- 【文献出处】 科学技术与工程 ,Science Technology and Engineering , 编辑部邮箱 ,2008年01期
- 【分类号】TP13
- 【被引频次】3
- 【下载频次】223