对于使用平衡的延迟方程的相位和振幅响应
R Nicks1, R Allen1, S Coombes1
1School of Mathematical Sciences, <a href="https://ror.org/01ee9ar58">University of Nottingham</a>, Nottingham NG7 2RD, United Kingdom.
Physical review. E
|August 20, 2024
概括
研究人员开发了一种新方法来分析延迟微分方程 (DDE) 中的振荡. 该框架使用平衡来构建相位和振幅响应函数,以理解在外部强迫下发生的DDE.
科学领域:
- 数学建模和动态系统的数学建模
- 非线性动力学和振荡.
- 应用数学和理论物理的应用数学.
背景情况:
- 延迟诱导的振荡在自然系统中很普遍,并且经常使用延迟微分方程 (DDE) 建模.
- 对于表现出极限周期振荡的普通微分方程,相振幅减小已被证明是成功的.
- 越来越需要对DDEs进行类似的减少技术,以分析它们在外部强迫下的行为.
研究的目的:
- 开发一个新的框架来构建DDEs的相位和振幅响应函数.
- 适应和扩展相振幅减小技术到延迟微分方程.
- 为了解DDEs对外部干扰的反应提供工具.
主要方法:
- 该研究使用平衡方法来构建响应函数.
- 拟议的框架将Floquet理论与和平衡相结合.
- 开发一种系统方法来减少DDEs的相位和幅度.
主要成果:
- 已经成功开发了一个强大的框架来构建DDEs的相位和振幅响应函数.
- 该方法可以更深入地了解DDEs如何应对外部强迫.
- 在减少DDE的背景下,证明平衡的实用性.
结论:
- 开发的框架为分析DDE振荡提供了一个强大的新工具.
- 这项工作将相幅度减小技术的适用性扩展到具有延迟的系统.
- 这些发现对于依赖DDEs来模拟自然现象的领域具有重要意义.
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