计算机科学 ›› 2015, Vol. 42 ›› Issue (5): 169-172.doi: 10.11896/j.issn.1002-137X.2015.05.034

• 信息安全 • 上一篇    下一篇

一类时滞混沌系统的修正函数投影拟同步

柴秀丽,甘志华,王 俊   

  1. 河南大学图像处理与模式识别研究所 开封475004,河南大学软件学院 开封475004,河南大学图像处理与模式识别研究所 开封475004
  • 出版日期:2018-11-14 发布日期:2018-11-14
  • 基金资助:
    本文受国家自然科学基金(61203094),河南省基础与前沿技术项目(132300410475),河南省教育厅自然科学研究计划(12A460001,14A413015),河南大学科研基金项目(2012YBZR009)资助

Modified Function Projective Quasisynchronization of a Class of Delayed Chaotic System

CHAI Xiu-li, GAN Zhi-hua and WANG Jun   

  • Online:2018-11-14 Published:2018-11-14

摘要: 参数失配是基于同步技术的混沌保密通信研究中不可回避的问题。以典型的Lur’e时滞混沌系统为研究对象,利用脉冲控制技术,在驱动-响应系统参数发生失配的情况下,实现了驱动-响应系统的修正函数投影拟同步,同时给出了拟同步的充分条件,估计了拟同步误差限,最后通过数值仿真验证了理论分析的正确有效性。

关键词: 修正函数投影拟同步,时滞混沌系统,参数失配,脉冲控制

Abstract: Parameter mismatch is the unavoidable problem of chaotic secure communication based on chaos synchronization technology.Taking the typical Lur’e delayed chaotic system as the research object,based on impulsive control method,we achieved modified function projective quasisynchronization of the drive-response chaotic system under the condition that there is a mismatch between the parameters of the drive system and the response system.Sufficient conditions were given for the quasisynchronization,and quasisynchronization error limit was also estimated.Finally,simulation results verify the validity and effectiveness of the theoretical analysis.

Key words: Modified function projective quasisynchronization,Delayed chaotic system,Parameter mismatch,Impulsive control

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