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Synchronization of Uncertain Chaotic System with Unknown Response System Parameters
Zhanlei Shang,Wenjun Song,Ruiqi Wang,Junwei Lei 보안공학연구지원센터 2015 International Journal of Future Generation Communi Vol.8 No.4
Synchronization of chaotic system is meaningful and widely used in secure communication. A kind of robust adaptive synchronization method was proposed to solve a special chaotic synchronization problem that both response system and driven system have unknown parameters and uncertain nonlinear functions. And the difficulty is also caused by the different structures between master chaotic system and slave chaotic system. A kind of update law of estimation of unknown parameters were designed by choose a proper Lyapunov energy function. And the stability of the whole system is guaranteed by Lyapunov stability theorem. At last, detailed numerical simulation was done to show the rightness of the proposed method.