事故车辆影响下的城市三车道道路交通流仿真

doi:10.16265/j.cnki.issn1003-3033.2021.03.016

中国安全科学学报 ›› 2021, Vol. 31 ›› Issue (3): 112-120.doi: 10.16265/j.cnki.issn1003-3033.2021.03.016

事故车辆影响下的城市三车道道路交通流仿真

姬浩^1,2,3 教授, 王永东^1,2,3, 李佩^1,2,3, 苏兵^1,2,3 教授

1 西安工业大学经济管理学院,陕西西安 710021;
2 陕西省兵工科技创新发展软科学研究基地,陕西西安 710021;
3 陕西高校军民融合科技创新研究中心,陕西西安 710021

收稿日期:2020-12-10 修回日期:2021-02-09 出版日期:2021-03-28 发布日期:2021-12-20
作者简介:姬浩 (1978—),男,陕西榆林人,博士,教授,硕士生导师,主要从事城市交通仿真、城市交通管理与优化等方面的研究。E-mail:wwwjihao_78@126.com。
基金资助:
国家社会科学基金资助(19BGL275);教育部人文社会科学研究青年基金资助(17YJCZH071);2020年度陕西高校青年创新团队项目。

Traffic flow simulation of urban three-lane road considering influence of accident vehicle

JI Hao^1,2,3, WANG Yongdong^1,2,3, LI Pei^1,2,3, SU Bing^1,2,3

1 School of Economics and Management, Xi'an Technological University, Xi'an Shaanxi 710021, China;
2 Soft Science Base for Ordnance Industry Innovation & Development in Shaanxi Province, Xi'an Shaanxi 710021, China;
3 Civil-Military Integration Science and Technology Innovation Research Center of Shaanxi's Colleges and Universities, Xi'an Shaanxi 710021, China

Received:2020-12-10 Revised:2021-02-09 Online:2021-03-28 Published:2021-12-20

摘要/Abstract

摘要： 为探究事故车辆对城市三车道道路交通影响机制,首先,分析考虑事故车辆的城市三车道道路交通流特征;然后,构建左车道优先且考虑主动抢道和被动抢道行为的元胞自动机交通流模型;最后;研究事故持续时间t_d变化时事故车辆分别位于M道和R道的城市道路交通流演化。结果表明:事故车辆会形成交通瓶颈,呈现上游车辆聚集下游车辆稀疏的时空特征,诱发交通拥堵,事故车辆对三车道交通影响明显小于两车道情形;且事故车辆位于R车道对道路交通流影响比事故车辆位于M车道更小,但这种影响的差异随进车率p_e增加而减小。

关键词: 事故车辆, 三车道, 交通流, 抢道行为, 元胞自动机

Abstract: In order to explore impact mechanism of accident vehicles on urban three-lane road traffic, firstly, characteristics of traffic flow on such roads were analyzed considering influence of accident vehicles. Then, a traffic flow model of cellular automaton was established which featured left lane priority and active and passive behavior of risky lane changing. Finally, traffic flow evolution along with change of accident durationt_dwas studied when accident vehicle was located on lane M and R respectively. The results show that accident vehicle would cause traffic bottleneck with space-time characteristics of vehicles gathering upstream and sparse vehicles downstream, thus inducing traffic congestion. It has less impact on three-lane traffic than on two-lane traffic, and the same when it is on lane M than on lane R, but the difference of its impact decreases along with increase of p_e.

Key words: accident vehicle, three-lane, traffic flow, behavior of risky lane change, cellular automaton

中图分类号:

X928.02

姬浩, 王永东, 李佩, 苏兵. 事故车辆影响下的城市三车道道路交通流仿真[J]. 中国安全科学学报, 2021, 31(3): 112-120.

JI Hao, WANG Yongdong, LI Pei, SU Bing. Traffic flow simulation of urban three-lane road considering influence of accident vehicle[J]. China Safety Science Journal, 2021, 31(3): 112-120.

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事故车辆影响下的城市三车道道路交通流仿真

Traffic flow simulation of urban three-lane road considering influence of accident vehicle

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