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Journal of Control Science and Engineering
Volume 2016 (2016), Article ID 1238191, 9 pages
Research Article

Robust Adaptive Output Feedback Control Scheme for Chaos Synchronization with Input Nonlinearity

1School of Computer Science & Software Engineering, Tianjin Polytechnic University, Tianjin 300387, China
2School of Textiles, Tianjin Polytechnic University, Tianjin 300387, China
3Tianjin Vocational Institute, Tianjin 300410, China

Received 22 July 2015; Accepted 10 January 2016

Academic Editor: Hung-Yuan Chung

Copyright © 2016 Xiaomeng Li 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.


This paper proposes a robust adaptive output feedback control strategy which can automatically regulate control gain for chaos synchronization. Chaotic systems with input nonlinearities, delayed nonlinear coupling, and external disturbance can achieve synchronization by applying this strategy. Utilizing Lyapunov method and LMI technique, the conditions ensuring chaos synchronization are obtained. Finally, simulations are given to show the effectiveness of our control strategy.