基于运行参数-几何参数关系的信号控制方法——以K型交叉口为例
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摘要
受城市发展历史原因影响,畸形交叉口在中国城市老城区的分布较为普遍,其中包括K型交叉口。为了提升城市道路通行效率及安全水平,结合哈尔滨市5处典型K型交叉口调查数据,在分析其几何参数及交通流运行参数的基础上,构建K型交叉口运行参数-几何参数关系模型。通过交叉口的交通流线分析、交通冲突点计算、交通冲突强弱界定等步骤,提出一种旨在提高K型交叉口通行效率的信号控制方法。最后,以某典型K型交叉口为案例,对实施前后的交叉口交通流运行状态进行仿真与对比分析。结果表明,基于运行参数-几何参数关系的K型交叉口信号控制方法,可以减少车流在路网上的绕行时间,有效提升交叉口及其周边道路网的通行效率。
The unconventional intersections, likely K-shaped intersection, are prevalent in the old town of the cities in China due to historical reasons. In order to improve traffic efficiency and safety, this paper models the relationship of operation-geometric parameter using a survey data from 5 typical K-shaped intersections in Harbin to explore the two parameter sets. Through targeting traffic stream lines, calculating traffic conflict points, defining the degree of traffic conflict, and etc., the paper proposes a signal control method for improving operational efficiency of the K-shaped intersection. Taking a typical K-shaped intersection as an example, the paper simulates the operational performance before and after implementing the proposed control strategy. The results show that the proposed method can reduce the detours and improve traffic efficiency at intersection as well as the whole roadway network.
The unconventional intersections, likely K-shaped intersection, are prevalent in the old town of the cities in China due to historical reasons. In order to improve traffic efficiency and safety, this paper models the relationship of operation-geometric parameter using a survey data from 5 typical K-shaped intersections in Harbin to explore the two parameter sets. Through targeting traffic stream lines, calculating traffic conflict points, defining the degree of traffic conflict, and etc., the paper proposes a signal control method for improving operational efficiency of the K-shaped intersection. Taking a typical K-shaped intersection as an example, the paper simulates the operational performance before and after implementing the proposed control strategy. The results show that the proposed method can reduce the detours and improve traffic efficiency at intersection as well as the whole roadway network.
引文
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[12]CJJ 152—2010城市道路交叉口设计规程[S].
[2]Naghawi H H,Idewu W I A.Analysing Delay and Queue Length Using Microscopic Simulation for the Unconventional Intersection Design Superstreet[J].Journal of the South African Institution of Civil Engineering,2014,56(1):100-107.
[3]孙浩,郑小燕,张卫华.基于VISSIM仿真的畸形交叉口延误分析及优化设计[C]//2007第三届中国智能交通年会学术委员会.第三届中国智能交通年会论文集.南京:东南大学出版社,2007:14-15.
[4]秦焕美,关宏志,赵红征,等.基于仿真的畸形交叉口交通组织优化研究[J].交通信息与安全,2010,28(4):43-48.Qin Huanmei,Guan Hongzhi,Zhao Hongzheng,et al.Simulation-Based Traffic Organization Optimization for Irregular Intersections[J].Computer and Communications,2010,28(4):43-48.
[5]姬利娜,张金伟,亢凤林.城市道路畸形交叉口的交通改善方法[J].重庆交通大学学报(自然科学版),2012,31(6):1185-1188.Ji Lina,Zhang Jinwei,Kang Fenglin.Traffic Improvement Method of Deformed Intersection in Urban Road[J].Journal of Chongqing Jiaotong University(Natural Sciences),2012,31(6):1185-1188.
[6]陈凯淑.基于Synchro的畸形交叉口非对称配时优化研究[J].公路与汽运,2011(6):60-64.
[7]王鹏飞,薛艺,李政,苏锡有.基于Synchro-VISSIM系统的畸形交叉口改善及评价方法[J].河北科技师范学院学报,2013,27(3):64-71.Wang Pengfei,Xue Yi,Li Zheng,Su Xiyou.Improvement and Evaluation Method for Deformity Intersection Based on Synchro-VISSIM System[J].Journal of Hebei Normal University of Science&Technology,2013,27(3):64-71.
[8]梁伟红,叶维达,张水潮.城市道路不规则交叉口渠化设计[J].现代交通技术,2009,6(4):86-89.Liang Weihong,Ye Weida,Zhang Shuichao.Channeling Method of Urban Road Irregular Intersection[J].Modern Transportation Technology,2009,6(4):86-89.
[9]张赵胤.不规则交叉口无信号渠化设计[J].交通标准化,2014,42(7):6-9.Zhang Zhaoyin.Non-Signal Control Channeling Design for Irregular Intersection[J].Transportation Standardization,2014,42(7):6-9.
[10]李胜科.道路不规则交叉口渠化设计方法[J].北方交通,2013(1):30-32.Li Shengke.Canalization Design Means of Irregular Road Intersection[J].Northern Communications,2013(1):30-32.
[11]曾红霞.山地城市畸形交叉口渠化与控制研究[D].重庆:重庆交通大学,2014.
[12]CJJ 152—2010城市道路交叉口设计规程[S].