基于CA的无信号灯控制路段行人过街横道处动态博弈礼让行为

doi:10.13229/j.cnki.jdxbgxb20200954

摘要/Abstract

摘要：

分析了机动车驾驶员与过街行人在人行横道交通冲突区域的交通特性，将参与博弈的驾驶员分为礼让与不礼让两种类型，还引入了机动车礼让比例。同时，在原元胞自动机NCA（Non-game theory cellular automata model）模型的基础上，引入动态博弈更新规则，建立GCA（Game theory cellular automata model）模型，克服NCA模型必须通过空间位置关系来描述双方冲突关系，无法深入分析两者间复杂冲突-博弈过程的问题。综合分析表明，GCA模型比NCA模型更符合实际，能更好地模拟驾驶员与过街行人在无信号灯控制的人行横道处的交通冲突。

关键词: 城市交通, 行人过街, 交通冲突, 元胞自动机模型, 动态博弈理论

Abstract:

This paper analyzes the traffic characteristics of motor vehicle drivers and pedestrians in the crosswalk traffic conflict area. The drivers are divided into two types： comity and impoliteness， and the ratio of motor vehicle comity are introduced. At the same time， on the basis of the Non-game theory cellular automata （NCA） model， the dynamic game update rules are introduced to establish the Game theory cellular automata （GCA） model， which overcomes the need to describe the two parties through the spatial position relationship in NCA model. Comprehensive analysis shows that the GCA model is more realistic than the NCA model， and can better simulate the traffic conflict between drivers and pedestrians at crosswalks without signal lights.

Key words: urban traffic, pedestrian′s crossing, traffic conflict, cellular automata model, dynamic game theory

中图分类号:

U268.6

邝先验,陈自如. 基于CA的无信号灯控制路段行人过街横道处动态博弈礼让行为[J]. 吉林大学学报(工学版), 2022, 52(4): 837-846.

Xian-yan KUANG,Zi-ru CHEN. Dynamic game comity behavior at pedestrians′ crossing on unsignal-controlled roads based on cellular automata[J]. Journal of Jilin University(Engineering and Technology Edition), 2022, 52(4): 837-846.

图/表 11

图1

图2

图3

表1

车速等级划分"

车速等级	车速/ $(k m ? h - 1)$	元胞速度/ $(c e l l ? s - 1)$
低速	$v ≤ 35$	$v ≤ 6$
中速	$35 < v ≤ 55$	$6 < v ≤ 10$
高速	$v > 55$	$v > 10$

表1

表2

驾驶员延误和风险损失设定"

损失设定	低速	中速	高速
延误 $u 1 d$	-1	-2	-3
风险 $u 1 c$	-2	-6	-10

表2

表3

过街行人延误和风险损失设定"

损失设定	低速	中速	高速
延误 $u 2 d$	-1	-3	-5
风险 $u 2 c$	-2	-6	-8

表3

图4

图5

图6

图7

图8

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