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面向常发拥堵点的主动交通诱导方法

罗舒琳 张存保 张泰文 曹雨

罗舒琳, 张存保, 张泰文, 曹雨. 面向常发拥堵点的主动交通诱导方法[J]. 交通信息与安全, 2021, 39(5): 68-72. doi: 10.3963/j.jssn.1674-4861.2021.05.009
引用本文: 罗舒琳, 张存保, 张泰文, 曹雨. 面向常发拥堵点的主动交通诱导方法[J]. 交通信息与安全, 2021, 39(5): 68-72. doi: 10.3963/j.jssn.1674-4861.2021.05.009
LUO Shulin, ZHANG Cunbao, ZHANG Taiwen, CAO Yu. Active Traffic Guidance Method for Recurrent Congestion Points[J]. Journal of Transport Information and Safety, 2021, 39(5): 68-72. doi: 10.3963/j.jssn.1674-4861.2021.05.009
Citation: LUO Shulin, ZHANG Cunbao, ZHANG Taiwen, CAO Yu. Active Traffic Guidance Method for Recurrent Congestion Points[J]. Journal of Transport Information and Safety, 2021, 39(5): 68-72. doi: 10.3963/j.jssn.1674-4861.2021.05.009

面向常发拥堵点的主动交通诱导方法

doi: 10.3963/j.jssn.1674-4861.2021.05.009
基金项目: 

国家重点研发计划项目 2018YFB1601000

详细信息
    作者简介:

    罗舒琳(1995—),硕士研究生.研究方向:交通管理与控制. E-mail: 964230482@qq.com

    通讯作者:

    张存保(1976—),博士,研究员. 研究方向:交通信息工程及控制、交通安全. E-mail: zhangcunbao@163.com

  • 中图分类号: U491.4

Active Traffic Guidance Method for Recurrent Congestion Points

  • 摘要:

    基于动态用户均衡、系统最优分配的诱导方法,侧重路网需求的宏观预测和调节,难以准确辨识道路拥堵点的关联车流,制约了诱导效果。为精准调控致堵车流,有效缓解常发性拥堵,研究基于需求溯源的主动交通诱导方法。遵循靶向诱导的思路,分析车辆行驶轨迹和常发拥堵点的交通流关联性,运用卡尔曼滤波对关联车流进行短时预测,在此基础上,结合流量占比、路径饱和度等指标,对诱导目标车流进行优选。同时,从负荷均衡的角度出发,基于路段与路径交通流的时空关联更新路网交通状态,建立以饱和度均衡为目标的主动诱导优化模型。仿真结果表明:相比反应型诱导与基于路径偏好的主动型诱导,所提方法使常发拥堵点的车均延误、停车次数等下降30%~60%,路网车均延误、停车次数等下降10%~15%,模型收敛速度提高,交通效益提升,验证了该方法的有效性。

     

  • 图  1  基于需求溯源的主动交通诱导思路

    Figure  1.  Thoughtof active traffic guidance based on traceable demand

    图  2  拥堵点交通流溯源示意图

    Figure  2.  Schematic diagram of traffic flow traceability at congestion points

    图  3  无效路径示意图

    Figure  3.  Invalid path diagram

    图  4  路网结构示意图

    Figure  4.  Schematic diagram of road network structure

    图  5  交通运行状态对比图

    Figure  5.  Comparison diagram of traffic operation state

    图  6  诱导前后交通效益对比图

    Figure  6.  Comparison of traffic benefits before and after guidance

    图  7  主动型诱导运算效率对比

    Figure  7.  Comparison of active inducement operation efficiency

    表  1  路径交通流优先度输出值

    Table  1.   Traffic-guidance priority of traffic flow of paths

    路径交通流 xk, t yk, t zk, t Hk, t
    f2-7-8-17-18-23 0.43 0.34 0.76 0.54
    f6-14-15-16-17-18-19-20 0.73 0.82 1.00 0.87
    f14-15-16-17-18-19-20 0.92 1.00 0.00 0.00
    f15-16-17-18-19-20 1.00 0.57 0.00 0.00
    f21-14-15-16-17-18-19-20 0.71 0.65 0.23 0.50
    f22-16-17-18-19-20 0.76 0.73 0.47 0.64
    f26-22-16-17-18-19-20 0.64 0.81 0.62 0.68
    $ \vdots $ $ \vdots $ $ \vdots $ $ \vdots $ $ \vdots $
    下载: 导出CSV
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  • 收稿日期:  2021-05-08

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