A novel chaotification scheme for fractional system and its application

A novel chaotification scheme for fractional system and its application
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分数阶系统混沌化新方案及其应用

DOI:
10.1016/j.cam.2017.10.008
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发表时间:
2017-10
影响因子:
2.4
通讯作者:
Zeng Caibin
Zeng Caibin
中科院分区:
数学2区
文献类型:
--
作者:
Zhu Huijian;Zeng Caibin

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关于分数阶线性和非线性系统的混沌控制似乎知之甚少。基于负阻尼不稳定性机理和分数阶微积分技术,提出了一种新的分数阶非线性系统混沌控制方法。然后,我们将其应用于阶数在(1,2)内的分数阶Lorenz系统的混沌,该系统在特定参数下原本是稳定的。此外,我们还引入了三个临界有效序来区分四种不同的动力学行为:单态集吸引子、自激发吸引子、共存吸引子和爆破行为。通过大量的仿真实验,验证了该方法的有效性。
Little seems to be known about the chaotification control of fractional order linear and nonlinear systems. This paper proposes a novel chaotification method for fractional order nonlinear systems based on the negative damping instability mechanism and fractional calculus technique. We then apply it to chaotify the fractional order Lorenz system with order lying in (1, 2), which is stable originally with specific parameters. Moreover, we introduce three critical effective orders to distinguish different four dynamics: singleton sets attractor, self-excited attractor, coexisting attractors, and blow up behavior. Many simulations are carried out to illustrate the effectiveness of the results.
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