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arXiv 0908.3984nlin.CD
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网络中的延迟耦合控制同步:从同相到张开和簇状态

Controlling synchrony by delay coupling in networks: from in-phase to splay and cluster states

Chol-Ung Choe, Thomas Dahms, Philipp Hoevel, Eckehard Schoell

摘要:

我们研究延迟耦合振荡器网络中的同步,使用主稳定函数的方法。在Stuart-Landau振子的一般模型(超临界或亚临界Hopf分岔的标准形式)中,我们推导出分析稳定性条件,并证明通过调整耦合相位可以轻松控制同步周期状态的稳定性。我们提出耦合相位作为一个重要的控制参数,在一般网络拓扑结构的同相同步或去同步之间切换,或在单向环的同相,群集或splay状态之间切换。我们的结果是强大的,即使网络的元素略有不同。

英文摘要:

We study synchronization in delay-coupled oscillator networks, using a master stability function approach. Within a generic model of Stuart-Landau oscillators (normal form of super- or subcritical Hopf bifurcation) we derive analytical stability conditions and demonstrate that by tuning the coupling phase one can easily control the stability of synchronous periodic states. We propose the coupling phase as a crucial control parameter to switch between in-phase synchronization or desynchronization for general network topologies, or between in-phase, cluster, or splay states in unidirectional rings. Our results are robust even for slightly nonidentical elements of the network.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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