干线协调控制优化及其应用

曲大义; 万孟飞; 王兹林; 许翔华; 王进展

doi:10.19818/j.cnki.1671-1637.2016.05.013

干线协调控制优化及其应用

doi: 10.19818/j.cnki.1671-1637.2016.05.013

青岛理工大学汽车与交通学院, 山东青岛 266520

基金项目:

国家自然科学基金项目 51178231

国家自然科学基金项目 51678320

详细信息

作者简介:
曲大义(1973-), 男, 山东即墨人, 青岛理工大学教授, 工学博士, 从事交通流理论与交通控制研究

中图分类号: U491.2
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- 被引次数: 0
出版历程
- 收稿日期: 2016-03-21
- 刊出日期: 2016-10-25

Arterial coordination control optimization and application

School of Automobile and Transportation, Qingdao University of Technology, Qingdao 266520, Shandong, China

More Information

Author Bio:
QU Da-yi(1973-), male, professor, PhD, +86-532-86879587, dyqu@263.net

摘要

摘要: 基于相邻信号交叉口交通流的到达特性, 分析了干线协调控制的内在机理, 根据下游交叉口排队状态, 考虑头车与尾车到达时信号状态为绿灯的约束条件, 建立了无排队、一次排队、二次排队状态下的相位差模型, 研究了相位差与排队长度、绿灯时间和周期的定量关系, 考虑干线各交叉口间的关联性及交通需求与供给的关系, 提出干线周期、相位相序、绿信比的优化策略, 选取青岛市滨海大道沿线13个信号交叉口进行案例分析。计算结果表明: 实施双向绿波协调控制方案后滨海大道由东向西方向的总旅行时间由779s变为564s, 减少27.5%, 总停车次数由6次变为2次; 由西向东方向的总旅行时间由806s变为592s, 减少26.5%, 总停车次数由5次变为2次, 因此, 相位差模型及其优化策略对车辆旅行时间、停车次数的优化效果显著, 相位差模型具有可行性与实用性。
- 交通信号控制 /
- 干线协调 /
- 相位差 /
- 交通波 /
- 排队长度
Abstract: The internal mechanism of arterial coordination control was analyzed based on the arrival characteristics of traffic flow at adjacent signal intersections.According to the queue state at downstream intersection, considering the constraint condition that signal state was green light when head and tail vehicles arrived, the phase offset models were proposed under three kinds of queue states including no queue, first queue and second queue.The quantitative relationship among phase offset, queue length, green time and cycle were researched.Given the relevance among the arterial intersections and the relationship between traffic demand and supply, the optimization strategy for arterial cycle, phase sequence and green ratio was proposed.Thirteen signal intersections along Binhai Road in Qingdao were selected to do case analysis.Calculation result shows that after the coordination control scheme of bidirectional green wave is used, the total travel time from east to west on Binhai Road decreases by 27.5% from 779 sto 564 sand the total stopping number of vehicle decreases from 6 to 2.The total travel time from west to east decreases by 26.5% from 806 sto 592 sand the total stopping number of vehicle decreases from 5 to 2.The phase offset model and its optimization strategy have remarkable optimization effect on the travel time and stopping number of vehicle, and this model has feasibility and practicability.
- traffic signal control /
- arterial coordination /
- phase offset /
- traffic wave /
- queue length

HTML全文

图 1 双向绿波时距图

Figure 1. Time-distance chart of bidirectional green wave

下载: 全尺寸图片幻灯片

图 2 车流到达类型

Figure 2. Vehicle flow arrival types

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图 3 车辆排队特性解析

Figure 3. Analysis of vehicle queuing characteristics

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图 4 搭接放行

Figure 4. Lap release

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图 5 虚相位

Figure 5. Virtual phases

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图 6 滨海大道各路口信号控制现状

Figure 6. Current signal control of intersections on Binhai Road

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图 7 滨海大道双向绿波时距图

Figure 7. Time-distance charts of bidirectional green wave for Binhai Road

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表 1 优化前信号方案

Table 1. Signal schemes before optimization

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表 2 优化后信号方案

Table 2. Signal scheme after optimization

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表 3 设计方案基础信息

Table 3. Basic information of design schemes

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表 4 优化前后效果对比

Table 4. Comparison of effects before and after optimization

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