在Filippov竞争系统中从数据中发现随机流域稳定性,具有值控制
Hongxia Zhang1, Biliu Zhou2, Xiaomei Feng1
1Department of Mathematics, Xi'an University of Science and Technology, Xi'an 710054, People's Republic of China.
Chaos (Woodbury, N.Y.)
|January 16, 2025
概括
本研究引入了一种新方法,用于分析与值控制的非平滑随机系统中的流域稳定性. 调查结果显示,门控制显著改变了环境噪音对系统稳定性的影响.
科学领域:
- 随机系统分析 随机系统分析
- 不平滑的动力学 不平滑的动力学
- 计算物理 计算物理
背景情况:
- 关于盆地稳定性的现有研究往往简化了系统,以平滑模型或预定义的盆地.
- 分析非平滑的随机系统,特别是与值控制,提出了重大挑战.
- 了解盆地稳定性对于预测不确定性下的系统行为至关重要.
研究的目的:
- 开发一种新的框架,用于在具有值控制的非平滑随机竞争系统中发现盆地稳定性.
- 分析值控制对系统动态和环境噪声的影响.
- 提供一种方法来计算不规则吸引流域的第一个过渡概率.
主要方法:
- 利用Kramers-Moyal扩展扩展,初始状态分区以近似漂移和扩散条款.
- 应用差异方案和平滑近似方法来计算不规则盆地的第一个过渡概率.
- 使用数值模拟来验证近似术语和方法的准确性.
主要成果:
- 在值控制下的非平滑随机系统中成功近似漂移和扩散项.
- 通过数值模拟验证了近似方法的准确性.
- 证明值控制参数影响系统的盆地稳定性,以应对环境噪音.
结论:
- 开发的框架有效地识别了复杂的,非平滑的随机系统中的流域稳定性.
- 门控制在调节环境噪声对系统动态的影响方面发挥着至关重要的作用.
- 这项研究为具有实际控制机制的随机系统的行为提供了新的见解.
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