《计算机应用研究》|Application Research of Computers

连续流交叉口行人延误计算模型

Pedestrian delay models for continuous flow intersections

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作者 赵靖,陈志芳,马晓旦
机构 上海理工大学 管理学院,上海 200093
统计 摘要被查看 次,已被下载
文章编号 1001-3695(2018)09-2588-04
DOI 10.3969/j.issn.1001-3695.2018.09.006
摘要 为了准确评价连续流交叉口行人过街服务水平,为优化设计提供依据,对其行人延误进行了研究。针对连续流交叉口三种行人过街设计模式,根据行人流到达离散的特性,对不同行人流向(包括直行和对角穿行)的延误进行建模。利用VISSIM仿真对模型的准确性进行了验证,其偏差均小于3%。通过敏感性分析,探讨了车辆需求、行人需求、斜穿交叉口行人比率对三种模式运行性能的影响。研究结果表明,传统行人过街模式主要适用于机动车和行人流量均较小的情况;穿插式行人过街模式主要适用于机动车和行人流量较大的情况;而行人专用相位过街模式虽然被选为最优的情况较少,但其对于流量和流向比例变化的敏感最低,适用于交通需求波动性较大的情况。
关键词 连续流交叉口;行人过街;人均延误;交通流
基金项目 国家自然科学基金资助项目(51608324)
本文URL http://www.arocmag.com/article/01-2018-09-006.html
英文标题 Pedestrian delay models for continuous flow intersections
作者英文名 Zhao Jing, Chen Zhifang, Ma Xiaodan
机构英文名 BusinessSchool,UniversityofShanghaiforScience&Technology,Shanghai200093,China
英文摘要 In order to accurately evaluate the level of service of pedestrians and provide the basis for the optimized design, this paper analyzed the pedestrian delay of the continuous flow intersection.According to the characteristics of streams of pedes-trians’ arriving and leaving, this paper established the pedestrian delay models of different directions (namely straight and diagonal) for three pedestrian crossing patterns of the continuous flow intersections.VISSIM verified the accuracy of the models and the deviation was less than 3%.It discussed the effects of three key factors, namely the vehicle demands, pedestrian demands and percentage of diagonal crossing on the delay of the pedestrians under three modes by sensitivity analysis.The results show that the traditional pedestrian crossing pattern mainly applies on the conditions that vehicle and pedestrian demands are low.The pattern of interspersed pedestrian crossing is mainly applicable to the conditions of high vehicle and pedestrian demands.It is least when it selects the pattern of exclusive pedestrian crossing phase as the optimal design, but it can apply to traffic demands fluctuating largely for its insensitive to volume and percentage of diagonal crossing.
英文关键词 continuous flow intersection; pedestrian crossing; pedestrian delay; traffic flow
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收稿日期 2017/5/4
修回日期 2017/6/28
页码 2588-2591,2604
中图分类号 TP391;TP301.6
文献标志码 A