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一种用于异构车辆的混合流模型，该模型执行一种利用基于车辆尺寸的平衡速度函数的移动控制协议。

A mixed-flow model for heterogeneous vehicles enforcing a movement control protocol utilizing a vehicular size-based equilibrium speed function.

作者信息

Hossain Md Anowar, Tanimoto Jun

机构信息

Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga-koen, Kasuga-shi, Fukuoka, 816-8580, Japan.

Faculty of Engineering Sciences, Kyushu University, Kasuga-koen, Kasuga-shi, Fukuoka, 816-8580, Japan.

出版信息

Heliyon. 2024 Jan 4;10(2):e23975. doi: 10.1016/j.heliyon.2024.e23975. eCollection 2024 Jan 30.

DOI:10.1016/j.heliyon.2024.e23975
PMID:38293454
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10826611/
Abstract

This work addressed the effect of heterogeneous vehicle sizes on traffic flow fields by introducing a movement control protocol. Considering a continuum traffic model, a new equilibrium velocity function that is dependent on traffic density was introduced to account for the effect of vehicle size. The established model showed a quantitative comparison between the Optimal Velocity and Full Velocity Difference models. A neutral stability test was carried out to evaluate the model's capability of neutralizing flow fields. The density wave behavior near a critical point was portrayed by deducing the Korteweg-de Vries-Burgers equation through a nonlinear analysis. A series of numerical simulations, the outcomes of which agreed well with the analytical results, was performed to observe the overall flow field scenario.

摘要

这项工作通过引入一种运动控制协议，研究了异构车辆尺寸对交通流场的影响。考虑到连续交通模型，引入了一种依赖于交通密度的新平衡速度函数，以考虑车辆尺寸的影响。所建立的模型显示了最优速度模型和全速度差模型之间的定量比较。进行了中性稳定性测试，以评估模型中和流场的能力。通过非线性分析推导Korteweg-de Vries-Burgers方程，描绘了临界点附近的密度波行为。进行了一系列数值模拟，其结果与分析结果吻合良好，以观察整体流场情况。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/e3e7454a59e4/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/21670deacb32/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/b1a2d3cae26a/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/56d65b6af4da/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/1571192eaae6/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/f578e4e2ecb2/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/e3e7454a59e4/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/21670deacb32/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/b1a2d3cae26a/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/56d65b6af4da/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/1571192eaae6/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/f578e4e2ecb2/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4afe/10826611/e3e7454a59e4/gr6.jpg

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