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Abstract and Applied Analysis
Volume 2012, Article ID 810364, 11 pages
Research Article

The Effect of Control Strength on Lag Synchronization of Nonlinear Coupled Complex Networks

1Department of Mathematics and Physics, Changzhou Campus, Hohai University, Jiangsu, Changzhou 213022, China
2Faculty of Science, Jiangsu University, Jiangsu, Zhenjiang 212013, China
3School of Finance and Economics, Jiangsu University, Jiangsu, Zhenjiang 212013, China

Received 15 March 2012; Accepted 16 May 2012

Academic Editor: Tingwen Huang

Copyright © 2012 Shuguo Wang and Hongxing Yao. 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.


This paper mainly investigates the lag synchronization of nonlinear coupled complex networks using methods that are based on pinning control, where the weight configuration matrix is not necessarily symmetric or irreducible. We change the control strength into a parameter concerning time t, by using the Lyapunov direct method, some sufficient conditions of lag synchronization are obtained. To validate the proposed method, numerical simulation examples are provided to verify the correctness and effectiveness of the proposed scheme.