一个混合流模型用于异质的车辆,强制执行运动控制协议,利用基于车辆尺寸的平衡速度函数
Md Anowar Hossain1, Jun Tanimoto1,2
1Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga-koen, Kasuga-shi, Fukuoka, 816-8580, Japan.
Heliyon
|January 31, 2024
概括
这项研究引入了一种新的交通模型,考虑了各种车辆大小,改善了交通流的预测. 该模型有效中和流场,并分析密度波,通过模拟验证.
科学领域:
- 交通流动动态 交通流动动态
- 连续机械学的连续力学.
- 非线性动力学是一种非线性动力学.
背景情况:
- 不同类型的车辆大小对交通流动模式产生重大影响.
- 现有的交通模式往往过于简化了车辆尺寸的影响.
- 了解交通流动的稳定性对于高效的运输系统至关重要.
研究的目的:
- 开发一个包含异质车辆尺寸的连续交通模型.
- 引入一个新的平衡速度函数,取决于交通密度.
- 分析拟议的交通模型的稳定性和密度波行为.
主要方法:
- 开发一种新的平衡速度函数.
- 与最佳速度 (OV) 和完全速度差异 (FVD) 模型进行定量比较.
- 中性稳定性测试和非线性分析以推断Korteweg-de Vries-Burgers (KdVB) 方程.
- 数字模拟用于验证分析结果.
主要成果:
- 新型车在量化上比较了OV和FVD模型,强调了车辆尺寸的影响.
- 中性稳定性测试证实了该模型能够中和流场的能力.
- 非线性分析成功推导出KdVB方程,描述密度波的行为.
- 数字模拟与分析结果密切匹配,验证了模型的预测能力.
结论:
- 拟议的交通模型有效地捕捉了异质车辆尺寸对交通流量的影响.
- 该模型为分析流量稳定性和波浪现象提供了一个强大的框架.
- 这些发现为交通管理和智能交通系统的设计提供了宝贵的见解.
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