分数顺序差准周期马修方程的动态扰动分析
Jiaquan Xie1,2, Meiru Wan1,2, Fuqiang Zhao3
1College of Mathematics and Statistics, Taiyuan Normal University, Jinzhong 030619, China.
Chaos (Woodbury, N.Y.)
|December 12, 2023
概括
这项研究分析了分数顺序微分准周期马修方程中的稳定性. 关键发现揭示了分数顺序的条款作为相当的刚性和阻尼作用,影响系统稳定性和不稳定的区域.
科学领域:
- 非线性动力学是一种非线性动力学.
- 分数微积分的计算.
- 数学物理 数学物理
背景情况:
- 准周期马修方程是非线性动力学的基础.
- 了解分数顺序系统中的稳定性对于高级建模至关重要.
- 以前的研究往往集中在整数顺序系统上,使得分数动态不那么被探索.
研究的目的:
- 调查参数对分数顺序微分准周期马修方程稳定性的影响.
- 用分析和数值方法推导出系统稳定性的条件.
- 描述分数顺序词在系统动态中的作用.
主要方法:
- 扰动方法来导出稳定性边界 (过渡曲线) 的近似表达式.
- 利亚普诺夫的第一个方法用于分数顺序系统的稳定性分析.
- 数字模拟来分析参数对过渡曲线和稳定性的影响.
主要成果:
- 获得了稳定性和不稳定区域边界的近似表达式.
- 分数顺序的条款被确定为等价的刚性和阻尼.
- 总结了等效线性和刚度的一般形式.
- 定义了不稳定的区域厚度的近似表达式.
结论:
- 分数顺序差值项显著影响系统稳定性,因为它作为相当的刚性和阻尼作用.
- 衍生条件和一般形式为分析分数顺序差异准周期马修系统提供了一个框架.
- 数字模拟证实了参数对稳定性和过渡曲线的直观影响.
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