Journal of Guangxi Normal University(Natural Science Edition) ›› 2012, Vol. 30 ›› Issue (1): 10-14.

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Adaptive Generalized Projective Synchronization for HyperchaoticLiu System and Parameters Identification

CHEN Yan-fei1, JIA Zhen1,2, DENG Qi-xiang1, XIE Meng-shu1, YU Xiao-ling1   

  1. 1.College of Science,Guilin University of Technology,Guilin Guangxi 541004,China;
    2.Guangxi Key Laboratory of Spatial Information and Geomatics,Guilin Guangxi 541004,China
  • Received:2011-11-10 Online:2012-01-20 Published:2018-12-03

Abstract: The adaptive generalized projective synchronization for hyperchaotic Liu system and parameters identification are studied.Based on adaptive feedback control technique,the nonlinear controller and parameter adaptive laws are designed under the situation of response system with unknown parameters to realize global generalized projective synchronization of two hyperchaoticLiu systems with unmatched parameters,the control gain is given to adjust synchronous speed.Furthermore,the identification of unknown parameters is realized simultaneously.The conclusion is proved by Lyapunov stability theory and LaSalle'sinvariance principle.Numerical simulations are given to demonstrate the effectiveness of the proposed method.

Key words: hyperchaotic Liu system, feedback control, generalizedprojective synchronization, parameters identification

CLC Number: 

  • O415.5
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