上海大学学报(自然科学版) ›› 2020, Vol. 26 ›› Issue (4): 595-605.doi: 10.12066/j.issn.1007-2861.2107

• 研究论文 • 上一篇    下一篇

丁字路口车辆 U 形转向的元胞自动机模型

袁定强1, 郭明旻2(), 张鹏1,3, 林志阳2, 房锐4   

  1. 1.上海大学 上海市应用数学和力学研究所,上海 200072
    2.复旦大学 航空航天系,上海 200433
    3.上海市能源工程力学重点实验室,上海 200072
    4.云南省交通规划设计研究院有限公司 陆地交通气象灾害防治技术国家工程实验室, 昆明 650200
  • 收稿日期:2018-09-26 出版日期:2020-08-30 发布日期:2020-09-03
  • 通讯作者: 郭明旻 E-mail:mmguo@fudan.edu.cn
  • 基金资助:
    国家自然科学基金面上资助项目(11672348);国家重点研发计划资助项目(2018YFB1600900);陆地交通气象灾害防治技术国家工程实验室开放研究基金资助项目(NEL-2019-02)

Cellular automaton model for U-turn vehicles at T-crossing

YUAN Dingqiang1, GUO Mingmin2(), ZHANG Peng1,3, LIN Zhiyang2, FANG Rui4   

  1. 1. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China
    2. Department of Aeronautics and Astronautics, Fudan University, Shanghai 200433, China
    3. Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai 200072, China
    4. National Engineering Laboratory For Surface Transportation Weather Impacts Prevention, Broadvision Engineering Consultants Co., Ltd., Kunming 650200, China
  • Received:2018-09-26 Online:2020-08-30 Published:2020-09-03
  • Contact: GUO Mingmin E-mail:mmguo@fudan.edu.cn

摘要:

基于丁字路口左半部分车道建立了双向六车道道路系统,考虑 U 形转向车道位于左车道和中车道两种情况。将直线道路和转向道路按车辆实际行驶轨迹交错划分元胞,引入红绿灯,以 NaSch 模型为基础进行模拟仿真,再统计各车道流量进行分析。结果表明,U 形转向车道位于左车道时有利于 U 形转向车辆通行,位于中车道时有利于右方左转车辆通行,但对驶向路口三车道流量影响较大。

关键词: U 形转向, 元胞自动机, 交通流, NaSch 模型

Abstract:

Based on the left part of the T-crossing, this paper establishes a two-way, six-lane road system and studies the two cases whereby the U-turn lane is located in the left lane and the middle lane. The straight road and the curved road are divided into cells according to the actual vehicle trajectories, and the traffic lights are introduced at the T-crossing. The simulation is based on the NaSch model. The traffic flow of each lane is counted and analysed. The results show that when the U-turn lane is located in the left lane, it is beneficial to the U-turn vehicles. When the U-turn lane is in the middle lane, it is advantageous for vehicles intending to turn from right to left, but it has a great impact on the traffic flow of the three lanes on the right.

Key words: U-turn movement, cellular automaton, traffic flow, NaSch mode

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