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Chin. Phys. B, 2008, Vol. 17(2): 503-506    DOI: 10.1088/1674-1056/17/2/027
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Adaptive synchronization of uncertain Liu system via nonlinear input

Hu Jia(胡佳)a)† and Zhang Qun-Jiao(张群娇)b)‡
a Research Center for System Science, Wuhan University of Science and Technology, Wuhan 430081, China; b School of Mathematics & Statistics, Wuhan University, Wuhan 430072, China
Abstract  This paper addresses the adaptive synchronization for uncertain Liu system via a nonlinear input. By using a single nonlinear controller, the approach is utilized to implement the synchronization of Liu system with total parameters unknown. This method is simple and can be easily designed. What is more, it improves the existing conclusions in Ref [12]. Simulation results prove that the controller is effective and feasible in the end.
Keywords:  adaptive synchronization      Liu system      uncertain parameters      nonlinear controller  
Received:  04 April 2007      Revised:  03 May 2007      Accepted manuscript online: 
PACS:  05.45.Xt (Synchronization; coupled oscillators)  
  05.45.Gg (Control of chaos, applications of chaos)  
Fund: Project supported by the Educational Commission of Hubei Province of China, (Grant No 080056).

Cite this article: 

Hu Jia(胡佳) and Zhang Qun-Jiao(张群娇) Adaptive synchronization of uncertain Liu system via nonlinear input 2008 Chin. Phys. B 17 503

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