| Sprott-B和Sprott-C系统之间的耦合混沌同步 |
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| 引用本文： | 刘扬正,费树岷.Sprott-B和Sprott-C系统之间的耦合混沌同步[J].物理学报,2006,55(3):1035-1039. |
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| 作者姓名： | 刘扬正 费树岷 |
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| 作者单位： | (1)东南大学自动控制系，南京 210096; (2)南京工程学院基础部，南京 210013;东南大学自动控制系，南京 210096 |
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| 基金项目： | 国家自然科学基金;中南大学校科研和教改项目;江苏省高校自然科学基金 |
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| 摘 要： | Sprott-B和 Sprott-C是拓扑等价的异结构混沌系统. 利用系统变量线性耦合方法实现二系统之间的混沌同步；根据Lyapunov稳定性理论，确定了二系统达到同步时耦合系数的阈值. 设计了实现二系统耦合同步的实验电路，实验结果证明了理论分析的正确性. 基于Sprott-B和 Sprott-C异结构系统混沌同步，提出了一种新的具有更好保密性能的混沌保密通讯方法.
关键词：
线性耦合
混沌同步
异结构系统
拓扑等价
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| 关 键 词： | 线性耦合 混沌同步 异结构系统 拓扑等价 |
| 收稿时间： | 01 21 2005 12:00AM |
| 修稿时间： | 2005-01-212005-03-20 |
Chaos synchronization between the Sprott-B and Sprott-C with linear coupling |
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| Liu Yang-Zheng,Fei Shu-Min.Chaos synchronization between the Sprott-B and Sprott-C with linear coupling[J].Acta Physica Sinica,2006,55(3):1035-1039. |
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| Authors: | Liu Yang-Zheng Fei Shu-Min |
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| Institution: | 1. Department of Basic Course, Nanjing Institute of Technology, Nanjing 210013, China; 2. Department of Automatic Control, Southeast University, Nanjing 210096, China |
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| Abstract: | The Sprott-B and Sprott-C are topologically equivalent but they have distinct structures. Chaos synchronization is realized between the two systems via linear coupling of systemic variable. Based on Lyapunov stability theory, the threshold value of coupling coefficients for synchronization of two systems is derived. The practical circuit is designed to realize chaos synchronization between the two systems and the experimental result verifies the conclusion. A new method for secure communication, which can increase the security of a communication system is proposed based on chaos synchronization between the above systems. |
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| Keywords: | linearly coupled chaos synchronization distinct structure topologically equivalent |
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