道路瓶颈前车辆强制变道汇流过程模拟研究

doi:10.16182/j.issn1004731x.joss.19-0117

系统仿真学报 ›› 2020, Vol. 32 ›› Issue (9): 1799-1807.doi: 10.16182/j.issn1004731x.joss.19-0117

• 仿真模型/系统置信度评估技术 • 上一篇下一篇

道路瓶颈前车辆强制变道汇流过程模拟研究

吕伟^1,2, 霍非舟^1,2

1.武汉理工大学中国应急管理研究中心,湖北武汉 430070;
2.武汉理工大学安全科学与应急管理学院,湖北武汉 430070

收稿日期:2019-03-19 修回日期:2019-07-08 出版日期:2020-09-18 发布日期:2020-09-18
通讯作者: 霍非舟(1987-),男,河南周口,博士,讲师,研究方向为交通行人动力学建模与仿真。
作者简介:吕伟(1989-),男,河南信阳,博士,副教授,研究方向为交通系统仿真。
基金资助:
国家自然科学基金(51604204, 51808422), 中国博士后科学基金(2018M632937)

Simulation on Vehicles Mandatory Lane Changing and Merging Process in case of Road Bottleneck

Lü Wei^1,2, Huo Feizhou^1,2

1. China Research Center for Emergency Management, Wuhan University of Technology, Wuhan 430070, China;
2. School of Safety Science and Emergency Management, Wuhan University of Technology, Wuhan 430070, China

Received:2019-03-19 Revised:2019-07-08 Online:2020-09-18 Published:2020-09-18

摘要/Abstract

摘要： 建立了基于车辆强制变道汇流行为的微观交通动力学模型,模拟分析了道路瓶颈影响下的交通流量、车道速度分布和时空图等3个宏观交通流特征和变道距离、行程时间等2个微观交通流特征。结果表明：瓶颈道路上任意截面的总流量均可表征道路的整体通行能力;中高车流密度下,道路瓶颈可使道路总流量降低10%~35%,并造成17%~42%的车辆行程时间延误;道路瓶颈对其上游相当长的区域内车辆具有减速效应;道路瓶颈前车辆强制变道距离的99分位值可以作为交通信息面板位置设定的依据。

关键词: 道路瓶颈, 交通流, 微观动力学模型, 强制变道, 特征分析

Abstract: A microscopic dynamic traffic flow model based on vehicle's mandatory lane changing behavior is established. Under the condition of road bottleneck, three macroscopic traffic flow characteristics of traffic flow, lane speed distribution and space-time diagram, and two microscopic traffic flow characteristics of merging distance and vehicle's travel time are analyzed. The simulation results show that, the total flow of arbitrary cross section of the bottleneck road can represent the overall traffic capacity, and the road bottleneck can reduce the total traffic flow by 10% to 35%, and cause a delay of 17% to 42% to the vehicle travel time under the condition of moderate and high traffic density. The road bottleneck has a deceleration effect on a certain long area of the upper reaches of the road. The ninety-ninth percentile of the merging distance of vehicle's mandatory lane changing can be used as the reference for the location setting of the traffic information board.

Key words: road bottleneck, traffic flow, microscopic dynamic model, mandatory lane changing, characteristic analysis

中图分类号:

U121

吕伟, 霍非舟. 道路瓶颈前车辆强制变道汇流过程模拟研究[J]. 系统仿真学报, 2020, 32(9): 1799-1807.

Lü Wei, Huo Feizhou. Simulation on Vehicles Mandatory Lane Changing and Merging Process in case of Road Bottleneck[J]. Journal of System Simulation, 2020, 32(9): 1799-1807.

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道路瓶颈前车辆强制变道汇流过程模拟研究

Simulation on Vehicles Mandatory Lane Changing and Merging Process in case of Road Bottleneck

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