Uniqueness and well-ordering of emergent phase-locked states for the Kuramoto model with frustration and inertia

Uniqueness and well-ordering of emergent phase-locked states for the Kuramoto model with frustration and inertia
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具有挫败性和惯性的 Kuramoto 模型紧急锁相态的唯一性和有序性

DOI:
10.1142/s0218202516400054
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发表时间:
2016-02
影响因子:
3.5
通讯作者:
Ha Seung-Yeal
Ha Seung-Yeal
中科院分区:
数学1区
文献类型:
--
作者:
Li Zhuchun;Ha Seung-Yeal

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讨论了仓本模型在阻挫和惯性作用下,从某类可接受的初始组态中出现的锁相态的唯一性和良序性。我们的结果依赖于仓本模型的非线性稳定性和锁相态的结构。当耦合强度足够大且初始相位形直径足够小时,出现的相位形相对于初始位形在l∞范数下是稳定的,并且在旋转之前趋于唯一的无碰撞锁相状态。此外,我们还验证了在惯性作用下,锁相态的几何形状是不变的。我们提供了几个数值例子,并与我们的分析结果进行比较。
We discuss the uniqueness and well-ordering property of phase-locked states emerged from some admissible class of initial configurations for the Kuramoto model under the effect of frustration and inertia. Our results rely on the nonlinear stability and structure of phase-locked states for the Kuramoto model. When the coupling strength is sufficiently large and the diameter of initial phase configuration is sufficiently small, we show that the emergent phase configurations are stable in l∞-norm with respect to initial configurations and they tend to the unique collision-free phase-locked state up to rotation. Moreover, we verify that the geometric shape of the emergent phase-locked state is invariant under the effect of inertia. We provide several numerical examples and compare them with our analytical results.
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