Hopf Bifurcations of a Stochastic Fractional-Order Van der Pol System
Hopf Bifurcations of a Stochastic Fractional-Order Van der Pol System
复制标题
随机分数阶 Van der Pol 系统的 Hopf 分岔
DOI:
10.1155/2014/835482
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发表时间:
2014-06
影响因子:
--
通讯作者:
Yang Lixin
中科院分区:
文献类型:
--
作者:
Liu Xiaojun;Hong Ling;Yang Lixin
The Hopf bifurcation of a fractional-order Van der Pol (VDP for short) system with a random parameter is investigated. Firstly, the Chebyshev polynomial approximation is applied to study the stochastic fractional-order system. Based on the method, the stochastic system is reduced to the equivalent deterministic one, and then the responses of the stochastic system can be obtained by numerical methods. Then, according to the existence conditions of Hopf bifurcation, the critical parameter value of the bifurcation is obtained by theoretical analysis. Then, numerical simulations are carried out to verify the theoretical results.
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DOI:
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