分叉控制和基于驾驶员预测效应的交通流模型分析
Wen-Huan Ai1, Yi-Fan Zhang1, Dan-Dan Xing1
1College of Computer Science and Engineering, <a href="https://ror.org/00gx3j908">Northwest Normal University</a>, Lanzhou, Gansu 730070, China.
Physical review. E
|November 20, 2024
概括
司机的行为显著影响交通流动. 这项研究引入了一个新的交通模型,结合驾驶员属性和控制理论,通过反控制器分析和减轻交通拥堵,提高交通稳定性.
科学领域:
- 交通流动动态 交通流动动态
- 控制理论 控制理论 控制理论
- 非线性系统分析分析
背景情况:
- 司机的属性显著影响驾驶行为和理想速度.
- 短期的汽车追踪规律性很差,这给预测带来了挑战.
- 现有的交通流模型往往忽视了个体驾驶员的行为.
研究的目的:
- 提出一种非统一的连续流量流量模型,该模型包含驾驶员属性和控制理论.
- 使用分叉理论分析交通系统稳定性,重点关注分叉点的稳定性突变.
- 设计反控制器来管理分叉行为并减轻交通拥堵.
主要方法:
- 波形分析以评估汽车跟踪的规律性.
- 开发一种非统一的连续流量流量模型,预计有特定于驾驶员的预期进展.
- 应用双叉理论,包括线性和非线性分析,研究稳定性.
- 介绍随机函数和线性/非线性随机反控制器的设计.
- 理论证明霍夫双叉条件和稳定性突变的分析.
- 实验数值模拟来验证理论结果.
主要成果:
- 根据驾驶员属性,确定了理想驾驶速度的显著差异.
- 拟议的模型成功地结合了驾驶员行为和控制理论,用于稳定性分析.
- 霍夫分叉条件和类型在理论上已经确立.
- 反控制器被证明可以有效地延迟或消除Hopf分叉和控制极限周期幅度.
- 数字模拟验证了关于缓解拥堵的理论发现.
结论:
- 司机属性是交通流动动态的关键因素.
- 开发的流量模型为分析流量稳定性提供了一个强大的框架.
- 反控制策略可以有效地管理交通系统的稳定性并缓解拥堵.
- 调整控制器参数提供了一种防止或减少交通拥堵的方法.
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