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Controlling hyperchaos in hyperchaotic Lorenz system using feedback controllers

delete2010-07-01
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Congxu Zhu *
DOI:10.1016/j.amc.2010.04.024delete
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Abstract

Abstract

En 中文
In this paper, the control strategies for hyperchaotic Lorenz system is investigated. The ordinary, dislocated, enhancing and speed feedback controls are used to suppress hyper-chaos to unstable equilibrium. The Routh-Hurwitz criterion is used to derive the conditions of stability of the controlled hyperchaotic systems. It is found that the coefficients of enhancing feedback control and dislocated feedback control may be smaller than those of ordinary feedback control, so, the complexity and cost of the system control are reduced. Numerical simulations are given to illustrate the effectiveness of the proposed controllers. (C) 2010 Elsevier Inc. All rights reserved.
Keywords:
Hyperchaos control
Hyperchaotic Lorenz system
Feedback control
Routh-Hurwitz criterion
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Journal

Applied Mathematics and Computation cover
Applied Mathematics and Computation
IF:
3.4
Papers:
2.3W
Citations:
3.3W

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