期刊
APPLIED MATHEMATICS AND COMPUTATION
卷 216, 期 10, 页码 3126-3132出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.amc.2010.04.024
关键词
Hyperchaos control; Hyperchaotic Lorenz system; Feedback control; Routh-Hurwitz criterion
资金
- National Natural Science Foundation of China [60902044]
- First Batch Fostering Foundation in Training Graduate Students of Central South University
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.
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