入匝道系统元胞自动机模型的换道规则研究

计算机工程与应用 ›› 2013, Vol. 49 ›› Issue (13): 248-252.

入匝道系统元胞自动机模型的换道规则研究

朱昶胜1，马玉婷1，王庆荣2，3

1.兰州理工大学计算机与通信学院，兰州 730050
2.兰州理工大学电气工程与信息工程学院，兰州 730050
3.兰州交通大学电子与信息工程学院，兰州 730070

出版日期:2013-07-01 发布日期:2013-06-28

Research of vehicle’s lane-changing rules of on-ramp system with cellular automaton model

ZHU Changsheng1, MA Yuting1, WANG Qingrong2，3

1.School of Computer and Communication, Lanzhou University of Technology, Lanzhou 730050, China
2.School of Electrical Engineering and Information Engineering, Lanzhou University of Technology, Lanzhou 730050, China
3.School of Electronic and Information, Lanzhou Jiaotong University, Lanzhou 730070, China

Online:2013-07-01 Published:2013-06-28

摘要/Abstract

摘要： 基于入匝道系统的元胞自动机交通流模型，从安全距离的角度提出四种换道规则，探讨四种换道规则对匝道系统的影响。模拟计算结果表明，匝道上的不同换道行为对匝道交通流模型有重大影响。安全距离为零的换道行为，能使匝道路段的流量获得最大值，但是却会抑制主道上游路段和下游路段的车辆流量；同时考虑了与前后车有安全距离的换道行为，不仅能让主道上下游路段的流量达到最大值，还能使整个匝道系统的流量达到最大值。

关键词: 入匝道系统, NaSch元胞自动机模型, 换道规则, 安全距离

Abstract: Based on the cellular automaton traffic model of on-ramp system, considering the behavior of changing lane form point of safe distance, a new traffic model is built. With the new model, the traffic flow is numerical simulated and investigated, and then some results are obtained. The lane-changing behavior has a huge effect on the flow of ramp model. The behavior without considering safe-distance can make the flow of ramp section to reach the highest point, while the flow of upstream and downstream sections of main road can be obviously suppressed. The lane-changing behavior considering both safe-distance of front and back can make the flow of upstream and down stream section of main road to get the highest point, and the flow of the whole system can reach the highest value.

Key words: on-ramp system, NaSch cellular automaton, lane-changing rule, safe distance

朱昶胜1，马玉婷1，王庆荣2，3. 入匝道系统元胞自动机模型的换道规则研究[J]. 计算机工程与应用, 2013, 49(13): 248-252.

ZHU Changsheng1, MA Yuting1, WANG Qingrong2，3. Research of vehicle’s lane-changing rules of on-ramp system with cellular automaton model[J]. Computer Engineering and Applications, 2013, 49(13): 248-252.

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