吉林大学学报(工学版) ›› 2020, Vol. 50 ›› Issue (5): 1677-1686.doi: 10.13229/j.cnki.jdxbgxb20190410

• 交通运输工程·土木工程 • 上一篇    

动态公交专用道的设置及其仿真分析评价

宋现敏1(),张明业1,李振建2(),王鑫1,张亚南1   

  1. 1.吉林大学 交通学院,长春 130022
    2.吉林大学 大数据和网络管理中心 130022
  • 收稿日期:2019-04-30 出版日期:2020-09-01 发布日期:2020-09-16
  • 通讯作者: 李振建 E-mail:songxm@jlu.edu.cn;lzj@jlu.edu.cn
  • 作者简介:宋现敏(1978-),女,教授,博士.研究方向:交通控制.E-mail:songxm@jlu.edu.cn
  • 基金资助:
    吉林省自然科学基金项目(20180101063JC);吉林省教育厅“十三五”科学技术项目(JJKH20190153KJ)

Setting of dynamic bus lane and its simulation analysis and evaluation

Xian-min SONG1(),Ming-ye ZHANG1,Zhen-jian LI2(),Xin WANG1,Ya-nan ZHANG1   

  1. 1.College of Transportation,Jilin University,Changchun 130022,China
    2.Big Data and Network Management Center,Jilin University,Changchun 130022,China
  • Received:2019-04-30 Online:2020-09-01 Published:2020-09-16
  • Contact: Zhen-jian LI E-mail:songxm@jlu.edu.cn;lzj@jlu.edu.cn

摘要:

提出了一种新型动态公交专用道,不仅确保了公交优先策略,且可显著提升道路资源时空利用率,降低了社会车辆与公交车辆对道路资源的需求冲突。分析了公交车到达时刻的差异性,基于交叉口车辆排队的消散过程,提出了动态车道清空距离确定方法及车道控制流程;结合HCM2010车辆延误公式和路阻函数,建立了不同道路条件下车均和人均出行时间模型,通过数值模拟仿真对未设置公交专用道、常规公交专用道和动态公交专用道3种车道组织方案的运行效益进行对比分析。实验结果表明:在三车道道路条件下,当社会车辆流量小于2268 pcu/h时,设置动态公交专用道的时间效益更好,为公交车道的优化提供了理论支持。

关键词: 交通运输系统工程, 动态公交专用道, 公交优先, 清空距离

Abstract:

This paper proposes a new type of dynamic bus lane, which not only ensures the bus priority strategy, but also significantly improves the spatial-temporal utilization of road resources, and reduces the conflict of demand between buses and social vehicles on road resource. The paper analyzes the difference of bus arrival time and proposes the determination method of dynamic lane clear distance and lane control flow based on the dissipation process of queue at intersection. Combined with HCM2010 vehicle delay formula and BPR function, the model of vehicle average travel time and per capita travel time under different road conditions is established. Through the numerical simulation, the operational benefits of three lane organization schemes, including without bus lanes, conventional bus lanes and dynamic bus lanes, were compared and analyzed. The experimental results indicate that the time benefit of setting dynamic bus lanes is better when social flow is less than 2268 pcu/h. The study provides theoretical support for rational optimization of bus lanes.

Key words: engineering of communications and transportation system, dynamic bus lane, bus priority, clear distance

中图分类号: 

  • U491

图1

动态车道结构示意图"

图2

动态公交专用道控制流程图"

图3

仿真流程"

图4

整体出行时间对比图"

图5

低流量下各方案出行时间对比"

图6

中流量下各方案出行时间对比"

图7

高流量下各方案出行时间对比"

图8

公交车流量影响分析"

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