Journal
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS
Volume 68, Issue 9, Pages 2629-2637Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.na.2007.02.009
Keywords
chaos; anti-synchronization; dead-zone nonlinearity; sliding mode control
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This paper addresses chaos anti-synchronization of uncertain-unified chaotic systems with dead-zone input nonlinearity. Using the sliding mode control technique and Lyapunov stability theory, a proportional-integral (PI) switching Surface is proposed to ensure the stability of the closed-loop error system in sliding mode. Then a sliding mode controller (SMC) is proposed to guarantee the hitting of the switching surface even with uncertainties and the control input containing dead-zone nonlinearity. Some Simulation results are included to demonstrate the effectiveness and feasibility of the proposed synchronization scheme. (C) 2007 Elsevier Ltd. All rights reserved.
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