Journal
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
Volume 14, Issue 12, Pages 4264-4272Publisher
ELSEVIER
DOI: 10.1016/j.cnsns.2009.03.002
Keywords
Adaptive synchronization; Hyperchaotic systems; Lasalle invariance principle
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Funding
- National Nature Science Foundation of China [70571059]
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This paper investigates the chaos synchronization of two hyperchaotic systems. Based on Lasalle invariance principle, adaptive schemes are derived to make two unidirectional coupling and mutual coupling hyperchaotic systems asymptotically synchronized whether the parameters are given or uncertain, and unknown parameters are identified simultaneously in the process of synchronization. Numerical simulations of hyperchaotic Chen systems are presented to show the effectiveness of the proposed chaos synchronization schemes. (C) 2009 Elsevier B.V. All rights reserved.
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