Journal
NONLINEAR DYNAMICS
Volume 70, Issue 1, Pages 551-558Publisher
SPRINGER
DOI: 10.1007/s11071-012-0476-1
Keywords
Impulsive control; Impulsive synchronization; Unified hyperchaotic system
Categories
Funding
- National Natural Science Foundation of China [61173183, 60973152, 60573172]
- Superior University Doctor Subject Special Scientific Research Foundation of China [20070141014]
- Natural Science Foundation of Liaoning province [20082165]
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In this paper, we investigate the impulsive control and synchronization of a new unified hyperchaotic system. This new system unifies both the hyperchaotic Lorenz system and the hyperchaotic Chen system. Some conditions are given to guarantee the global asymptotic stability of the controlled and synchronized system. The control gains and impulsive intervals are both variable. Moreover, we estimate the upper bound of impulsive interval for stable control and synchronization. Simulations are included to show the effectiveness of the theoretical results.
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