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首页> 外文期刊>The Open Acoustics Journal >Hopf Bifurcation Analysis and Approximation of Limit Cycle in Coupled Van Der Pol and Duffing Oscillators
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Hopf Bifurcation Analysis and Approximation of Limit Cycle in Coupled Van Der Pol and Duffing Oscillators

机译:Van Der Pol和Duffing振子耦合的Hopf分叉分析和极限环逼近

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摘要

Using Routh-Hurwitz criterion and Hopf bifurcation theorem, stability of the equilibrium points and Hopf bifurcation of coupled van der Pol and Duffing oscillators are investigated. The parametric curve corresponding to Hopf bifurcation and the existence region for the limit cycle in the parameter space are derived. The method of multiple time scales is used to deduce the analytical approximation of the limit cycle, and the accuracy of the analytical approximation is verified by direct numerical integration.
机译:利用Routh-Hurwitz准则和Hopf分叉定理,研究了耦合范德波尔和达芬振子的平衡点的稳定性和Hopf分叉。导出与Hopf分叉相对应的参数曲线和参数空间中极限环的存在区域。用多个时间尺度方法推导极限环的解析近似,并通过直接数值积分验证了解析近似的准确性。

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