Chaos switch-synchronization for a class of 4-D chaotic systems

被引：23
|
作者：
Liu Yang-Zheng [1 ]
Jiang Chang-Sheng
Lin Chang-Sheng
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 210016, Peoples R China
[2] Nanjing Inst Technol, Inst Nonlinear Phys, Nanjing 210013, Peoples R China
来源：
ACTA PHYSICA SINICA | 2007年 / 56卷 / 02期
关键词：
nonlinear feedback control; chaos switch-synchronization; the 4-D chaotic system;
D O I：
10.7498/aps.56.707
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A class of switchable four-dimensional chaotic systems is built by adding an additional state to the three-order Lorenz system or Liu system. Some of its basic dynamical properties are studied briefly, such as the feature of equilibrium, the chaos attractor, Lyapunov exponent and fractal dimension. An electronic circuit is designed to realize the class of switchable four-dimensional chaos systems. A method of chaos switch-synchronization between several chaotic systems based on nonlinear feedback control is proposed. Based on the stability theory, the functions of the nonlinear feedback control for synchronization of these systems are determined and the range of available feedback gain is derived.
引用
收藏
页码：707 / 712
页数：6
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