A novel fractional-order hyperchaotic system stabilization via fractional sliding-mode control

A novel fractional-order hyperchaotic system stabilization via fractional sliding-mode control
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通过分数滑模控制实现新型分数阶超混沌系统稳定

DOI:
10.1007/s11071-013-1000-y
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发表时间:
2013-08
期刊:
影响因子:
5.6
通讯作者:
刘崇新
刘崇新
中科院分区:
工程技术2区
文献类型:
--
作者:
刘崇新

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本文数值研究了一个新的分数阶超混沌系统的分数阶滑模控制。首先,研究了超混沌系统的动力学分析方法,包括相图、李雅普诺夫指数、分岔图、李雅普诺夫维数和庞加莱映射。然后简要研究了混沌和超混沌系统的分数阶推广。我们发现,在这样的系统中存在的混沌和超混沌的最低阶数分别为2.89和3.66。最后,设计了分数阶滑模控制器对分数阶超混沌系统进行控制。数值实验的例子来验证理论结果。
In this paper we numerically investigate the fractional-order sliding-mode control for a novel fractional-order hyperchaotic system. Firstly, the dynamic analysis approaches of the hyperchaotic system involving phase portraits, Lyapunov exponents, bifurcation diagram, Lyapunov dimension, and Poincaré maps are investigated. Then the fractional-order generalizations of the chaotic and hyperchaotic systems are studied briefly. The minimum orders we found for chaos and hyperchaos to exist in such systems are 2.89 and 3.66, respectively. Finally, the fractional-order sliding-mode controller is designed to control the fractional-order hyperchaotic system. Numerical experimental examples are shown to verify the theoretical results.
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