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离散非线性系统的混沌同步问题 被引量:2

Chaos Synchronization Problem of Discrete Nonlinear System
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摘要 本文研究了离散非线性系统的混沌同步问题,即驱动系统为x(k+1)=f(x(k)),响应系统为x^(k+1)=f(x^(k))+u(k)构成的混沌系统的同步问题。基于Lyapunov稳定性理论给出了控制律的设计,选取控制律u(k)=-e(k+1)下,得到系统的Lyapunov函数一阶差分ΔV<0,从而离散非线性系统及其时滞系统是混沌同步的,数值算例结果表明系统的误差曲线趋于同步,从而说明了该方法的有效性。 Chaos synchronization always is hot research topics in the area of nonlinear science for it is important merits and broad ap- plication prospects in engineering technology. The problem of chaos synchronization for discrete nolinear system is based on Lya- punov stability theory. The drive system isx(k+1) = f(x(k)) , the response system is, 5:(k+1) = f(x(k))+u(k) . The conclu- sion is arrived that nolinear system is chaos synchronized under appropriate controlling law u(k) = -e(k + 1) . Numerical simula- tions example of chaotic system verify the Lyapunov function differential △V〈0, it prove the effectiveness of the proposed method.
出处 《重庆师范大学学报(自然科学版)》 CAS CSCD 北大核心 2014年第2期40-42,共3页 Journal of Chongqing Normal University:Natural Science
基金 国家自然科学基金(No.51072184) 国家自然科学基金天元基金(No.11226337) 河南省科技厅基础与前沿技术研究计划项目(No.122300410390) 郑州航空工业管理学院青年基金(No.2012113004)
关键词 混沌同步 离散系统 非线性系统 chaos synchronization discrete systems nonlinear system
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参考文献9

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二级参考文献42

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