学区交叉口行人流元胞自动机模型

交通运输系统工程与信息 ›› 2017, Vol. 17 ›› Issue (3): 98-104.

• 智能交通系统与信息技术 • 上一篇下一篇

学区交叉口行人流元胞自动机模型

付连宁，邹难*

山东大学控制科学与工程学院，济南250061

收稿日期:2016-10-24 修回日期:2017-02-25 出版日期:2017-06-25 发布日期:2017-06-26
作者简介:付连宁（1986-），女，山东青岛人，博士生.
基金资助:
国家科技支撑计划项目/National Science and Technology Support Plan Project (2014BAG03B04)；山东大学基本科研业务费专项资金项目/The Fundamental Research Funds of Shandong University (2014JC036).

Cellular Automata Model of Pedestrian Flow at School Intersection

FU Lian-ning，ZOU Nan

School of Control Science and Engineering, Shandong University, Jinan 250061, China

Received:2016-10-24 Revised:2017-02-25 Online:2017-06-25 Published:2017-06-26

摘要/Abstract

摘要：

基于学区交叉口上下学时间段家长和儿童混合行人流过街特性，利用元胞自动机建立了学区交叉口行人过街模型.在模型中引入空格参数、方向参数和同向吸引参数，并综合考虑家长和儿童成对组合过街时的行为规则.通过仿真研究在双向行人流不均衡，以及家长和儿童组合比例不同的条件下，行人流速度—时间、速度—密度，流量 —密度的关系，分析家长和儿童组合对过街行人流的影响.结果显示，当行人流中家长和儿童的组合超过一定比例时，会降低行人流过街的平均速度，加速行人流的拥堵，使得系统的临界密度值有所下降，并对行人流平均速度和流量在临界密度点的变化趋势有一定的影响.

关键词: 系统工程, 学区交叉口, 元胞自动机, 家长和儿童, 行人过街

Abstract:

Based on the characteristics of mixed pedestrian flow composed of parents and children crossing street during school time at school intersections, a cellular automaton model for pedestrian’s crossing is established. The empty parameter, direction parameter and same direction attracting parameter are introduced in the model, and the crossing behavior rules between parents and children in pairs are also considered. To analyze the effects of parent- child group on crossing pedestrian flow, velocity- time, velocity- density, and flow-density relationships are tested via the simulation, under the condition of unbalanced bidirectional pedestrian flow and different proportion of parent-child group. The results show that the proportion of parentchild group exceed a certain value, the average velocity declines, the pedestrian flow becomes more congested and the critical density value of the system decreases. Besides, the proportion of parent- child group has certain impacts on the change trend of average velocity and flow at critical density point.

Key words: systems engineering, school intersection, cellular automata, parents and children, pedestrian crossing

中图分类号:

U491

付连宁，邹难. 学区交叉口行人流元胞自动机模型[J]. 交通运输系统工程与信息, 2017, 17(3): 98-104.

FU Lian-ning，ZOU Nan. Cellular Automata Model of Pedestrian Flow at School Intersection[J]. Journal of Transportation Systems Engineering and Information Technology, 2017, 17(3): 98-104.

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链接本文: http://www.tseit.org.cn/CN/abstract/abstract19419.shtml

http://www.tseit.org.cn/CN/Y2017/V17/I3/98

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学区交叉口行人流元胞自动机模型

Cellular Automata Model of Pedestrian Flow at School Intersection

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