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基于元胞自动机的行人和机动车相互干扰机理研究

孙泽 贾斌 李新刚

物理学报2012,Vol.61Issue(10):76-83,8.
物理学报2012,Vol.61Issue(10):76-83,8.

基于元胞自动机的行人和机动车相互干扰机理研究

The study of the interference between pedestrians and vehicles based on cellular automaton model

孙泽 1贾斌 1李新刚1

作者信息

  • 1. 北京交通大学交通运输学院城市交通复杂系统科学与技术教育部重点实验室,北京100044
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摘要

Abstract

Serious interference between motor vehicles and pedestrians happens at crosswalk when pedestrian flow is large. In this paper, cellular automata models are used to model the behavior of mutual interferences between pedestrians and vehicles at crosswalk by introducing conflict interference rules between pedestrians and vehicles. Numerical simulations are carried out to study the fluxes of vehicle and pedestrian, influenced by the parameters, such as the arrival rates, pedestrian waiting time and the pedestrian's sensitivity coefficient to vehicle. Simulation results show that the model can reflect the interference characteristics between pedestrians and vehicles well. With the increase of threshold that pedestrians cross the traffic lane riskily, motor vehicle flow increases but pedestrian flow decreases. With the increase of pedestrian′s sensitivity coefficient, pedestrian avoiding probability decreases, motor vehicle flow decreases, pedestrian flow increases. The results have certain significance for the control and management of mixed traffic.

关键词

元胞自动机/混合交通流/行人/机动车

Key words

cellular automaton model/mixed traffic/pedestrian/vehicle

分类

交通工程

引用本文复制引用

孙泽,贾斌,李新刚..基于元胞自动机的行人和机动车相互干扰机理研究[J].物理学报,2012,61(10):76-83,8.

基金项目

国家自然科学基金(批准号:71071013,71001004,71131001)、国家高技术研究发展计划(批准号:2011AA110303)和国家重点基础研究发展计划(批准号:2012CB725401)资助的课题. ()

物理学报

OA北大核心CSCDCSTPCDSCI

1000-3290

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