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arXiv 0909.2410nlin.CD
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分数阶统一混沌系统的耦合同步

Co-coupled synchronization of fractional-order unified chaotic systems

Kehui Sun, Jian Ren, Shuisheng Qiu

摘要:

分数阶混沌系统的同步是非线性研究领域的一个热点。研究了两个具有不同初始条件的分数阶混沌系统的耦合同步问题。基于Lyapunov稳定性原理和Gerschgorin定理,推导了分数阶混沌系统的共耦合同步定理,确定了分数阶统一混沌系统同步时耦合系数的取值范围.通过在Simulink上建立同步仿真模型,实现了两个具有不同初始值的分数阶统一混沌系统的耦合同步,并对同步性能进行了分析,仿真结果表明了该同步方法的有效性。

英文摘要:

Synchronization of fractional-order chaotic systems is a hot topic in the field of nonlinear study. The co-coupled synchronization between two fractional-order chaotic systems with different initial conditions is investigated in this paper. Based on Lyapunov stability principle and Gerschgorin theorem, the co-coupled synchronization theorem of fractional-order chaotic systems is deduced, and the range of coupling coefficients is confirmed for synchronization of fractional-order unified chaotic systems. By building up the synchronization simulation model on Simulink, the co-coupled synchronization between two fractional-order unified chaotic systems with different initial value is carried out, and the synchronization performances are analyzed, and the simulation results show that this synchronization method is effective.

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