考虑下游交叉口的路段行人过街优化控制模型
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作者单位:

同济大学道路与交通工程教育部重点实验室,同济大学道路与交通工程教育部重点实验室,同济大学道路与交通工程教育部重点实验室

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U491.23

基金项目:

国家自然科学基金重点项目(51238008);国家863计划课题(2011AA110305)


Signal Control Model for Mid block Pedestrian Crossing with Consideration of Downstream Intersection
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Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University,Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University,Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University

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    摘要:

    为了处理好城市干道路段上行人过街安全与机动车交通效率之间的矛盾,提出了一种利用下游交叉口红灯信号时间来为路段行人提供专用过街信号相位的行人过街横道信号控制方法.它可由混合整数线性规划模型来描述,其优化目标是在保障行人过街安全和维持机动车现状运行水平的基础上,使路段过街横道行人绿灯时长最大化.通过VISSIM仿真和实例分析,对该信号控制设计方法的效果和可操作性进行了验证.研究表明,对于有行人中央驻足区的情况,过街横道可设置于路段任何需要的位置,且总能计算得到合适的信号配时方案;对于无中央驻足区的情况,应将人行横道设置位置与信号配时同时考虑才能实现良好的设计效果.

    Abstract:

    In order to deal with the confliction between the safety of the pedestrian crossing and the efficiency of the vehicle traffic on urban arterial, this paper proposes a method for signal designing of mid block pedestrian crossing, which provides an appropriative signal phase for the pedestrian by using the red time of the vehicle at downstream intersection. The method is formulated as a mixed integer linear programming. The control objective is to maximize the duration of green for pedestrian on the basis of ensuring the safety of the pedestrian crossing and maintaining the efficiency of the vehicle traffic in status quo. The effect and the maneuverability of the control method are tested by VISSIM simulation and case study. Results show that in the case of successive crossings, the pedestrian crossing can be located at anywhere of the road section and the suitable signal timing can always be made. And in the case of non stop crossing, the designing of the location of pedestrian crossing and signal control should be considered synchronously.

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赵靖,马万经,杨晓光.考虑下游交叉口的路段行人过街优化控制模型[J].同济大学学报(自然科学版),2014,42(10):1536~1542

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历史
  • 收稿日期:2013-11-12
  • 最后修改日期:2014-06-23
  • 录用日期:2014-06-09
  • 在线发布日期: 2014-10-14
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