在合的范德波尔振荡器中对延迟合诱导的双稳定性的分支分析
Sergey Astakhov1, Evgeny Elizarov2, Galina Strelkova2
1Russian Academy of Sciences, Moscow, Russia.
Chaos (Woodbury, N.Y.)
|October 1, 2025
概括
通常在大型振荡器网络中看到的奇默状态,被证明是在两个合的范德波尔振荡器的最小链中形成的. 这种最小的系统在同步和不连贯状态之间表现出双稳定性,这是由于消散式延迟合.
科学领域:
- 非线性动力学是一种非线性动力学.
- 复杂的系统复杂的系统.
- 网络科学 网络科学
背景情况:
- 以同步和异步行为共存为特征的奇梅拉状态是大型合振荡器网络的标志.
- 了解模拟状态形成的最小条件对于推进网络动态理论至关重要.
研究的目的:
- 为了研究在最小的合振荡器系统中奇默状态的出现.
- 在一个缩小网络模型中分析同步和异步状态的共存.
- 探索消散延迟合在形成复杂的动态行为中的作用.
主要方法:
- 使用一条由两个合的范德波尔振荡器组成的最小链.
- 采用延迟微分方程及其有限维普通微分方程模型.
- 通过幅度相方法分析系统.
主要成果:
- 在一个最小的两振荡器系统中,证明了同步 (稳定极限周期) 和异步 (二维圆形/半周期性) 状态的共存.
- 在主同步区域内观察到锁定和抑制区域之间的双相稳定性.
- 确立了在合中延迟时间的增加增强了这种双稳定性现象.
结论:
- 一个由两个合的范德波尔振荡器和消散延迟合的最小系统可以表现出通常在大型网络中发现的复杂行为.
- 这项研究揭示了二分化机制的基本的双稳定性形成,提供了洞察力,喜梅拉状态的起源.
- 这项工作简化了奇默状态的研究,为复杂的网络动态提供了基础模型.
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