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考虑城市干道车队运行特点的交通信号协调控制算法

别一鸣,  李轶舜,  王琳虹,  王殿海,  宋现敏

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文章导航 > 西南交通大学学报  > 2013 >  26(2): 357-367.
别一鸣, 李轶舜, 王琳虹, 王殿海, 宋现敏. 考虑城市干道车队运行特点的交通信号协调控制算法[J]. 西南交通大学学报, 2013, 26(2): 357-367. doi: 10.3969/j.issn.0258-2724.2013.02.026
引用本文: 别一鸣, 李轶舜, 王琳虹, 王殿海, 宋现敏. 考虑城市干道车队运行特点的交通信号协调控制算法[J]. 西南交通大学学报, 2013, 26(2): 357-367. doi: 10.3969/j.issn.0258-2724.2013.02.026
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BIE Yiming, LI Yishun, WANG Linhong, WANG Dianhai, SONG Xianmin. Signal Coordination Algorithm Considering Vehicle Platoon Movement Characteristics on Arterial Streets[J]. Journal of Southwest Jiaotong University, 2013, 26(2): 357-367. doi: 10.3969/j.issn.0258-2724.2013.02.026
Citation: BIE Yiming, LI Yishun, WANG Linhong, WANG Dianhai, SONG Xianmin. Signal Coordination Algorithm Considering Vehicle Platoon Movement Characteristics on Arterial Streets[J]. Journal of Southwest Jiaotong University, 2013, 26(2): 357-367. doi: 10.3969/j.issn.0258-2724.2013.02.026
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考虑城市干道车队运行特点的交通信号协调控制算法

doi: 10.3969/j.issn.0258-2724.2013.02.026
基金项目: 

国家自然科学基金资助项目(50908100)

详细信息
    通讯作者:

    李轶舜(1986-),男,工程师,研究方向为交通控制,E-mail:yishun@163.com

Signal Coordination Algorithm Considering Vehicle Platoon Movement Characteristics on Arterial Streets

    摘要
  • 摘要: 为建立交通信号协调控制算法并确定其适用条件,考虑车队离散、车辆转出、下游交叉口排队长度3个因素,在分析罗伯逊离散模型的基础上,提出了交叉口协调相位车流到达图式的预测方法,并根据车流到达时刻与协调相位绿灯启亮、结束时刻的关系,建立了协调相位车流延误的计算模型;以交通控制子区内各交叉口协调相位车流总延误最小为优化目标,以相位差为优化变量,设计了信号协调方案优化算法.仿真结果表明:与改进数解法相比,该算法降低了协调相位车流延误7.4%;随着交叉口间距、转出车辆数、下游排队长度的增加,信号协调控制效益逐渐下降.

     

    Abstract: To develop a signal coordination algorithm and determine its application conditions, a new prediction model of vehicle arrival pattern of intersection coordinated phase was brought forward, which is based on Robertson's dispersion model and take into account three contributing factors such as platoon dispersion, turning vehicles and downstream queue length. According to the relationship between platoon arrival time and the green starting and ending time of coordinated phase, the calculation method for total vehicle delay of coordinated phase was established. Then, an optimization algorithm of signal coordination plan was developed by taking total vehicle delays of coordinated phases of intersections in the traffic control subarea as optimization objective, and offsets as optimization variables. Simulation results shows that compared with the improved numeric method, the proposed algorithm can reduce the vehicle delay of coordinated phases by 7.4%. With the increase of link length, turning vehicles and downstream queue length, the coordinated control benefit decreases gradually.

     

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    • 参考文献(15)
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出版历程
  • 收稿日期:  2011-11-17
  • 刊出日期:  2013-04-25

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