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Abstract and Applied Analysis
Volume 2012, Article ID 236830, 10 pages
Research Article

Lag Synchronization of Hyperchaotic Systems via Intermittent Control

1College of Computer, Chongqing University, Chongqing 400030, China
2School of Computer Science, Chongqing University of Education, Chongqing 400067, China

Received 12 September 2012; Accepted 4 October 2012

Academic Editor: Xiaodi Li

Copyright © 2012 Junjian Huang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Different from the most existing results, in this paper an intermittent control scheme is designed to achieve lag synchronization of coupled hyperchaotic systems. Several sufficient conditions ensuring lag synchronization are proposed by rigorous theoretical analysis with the help of the Lyapunov stability theory. Numerical simulations are also presented to show the effectiveness and feasibility of the theoretical results.