基于宏观基本图的区域交通总量动态调控技术

交通运输系统工程与信息 ›› 2014, Vol. 14 ›› Issue (3): 162-167.

基于宏观基本图的区域交通总量动态调控技术

杜怡曼^*1，吴建平 ¹，贾宇涵 ¹，许明 ²

1. 清华大学土木系，北京 100084；2. 北京邮电大学，北京 100876

收稿日期:2013-11-18 修回日期:2014-02-05 出版日期:2014-06-25 发布日期:2014-07-10
作者简介:杜怡曼（1977-），女，四川人，助理研究员，博士.
基金资助:
中国博士后科学基金（2013M540102）；国家 863 项目基金（2012AA063303）.

MFD-Based Regional Traffic Volume Dynamic Control

DU Yi-man¹，WU Jian-ping¹，JIA Yu-han¹，XU Ming²

1. Department of Civil Engineering,TsinghuaUniversity, Beijing 100084, China;2. Beijing University of Posts and Telecommunication, Beijing 100876,China

Received:2013-11-18 Revised:2014-02-05 Online:2014-06-25 Published:2014-07-10

摘要/Abstract

摘要：

城市经济的快速发展造成了诸多交通问题.在过饱和状态下，单纯的被动型信号控制所起的作用是很有限的.因此，有必要把交通控制与交通诱导相结合形成一个反馈式系统.本文提出了以基于宏观基本图及反馈门的区域总量动态调控为主、传统优化为辅的交通管理新手段, 通过区域边界设置的“反馈门”控制网络流入量，将网络车辆总数维持在其合理可行范围内，以提高或维持网络流量.以北京市西二环区域为例，利用交通仿真软件对动态调控的效果进行了评估.结果证明，区域总量动态调控能够保障区域交通流的稳定、有序，提高区域交通流通行效率.

关键词: 城市交通, 区域总量动态调控, 宏观基本图, 反馈门控制, 微观仿真

Abstract:

The rapid urban economic development led to a significant increase of car ownership and also caused various traffic problems. In saturated traffic conditions, the passive signal control usually has limited functions. Therefore, it is necessary to combine traffic control and traffic guidance to form a feedback sys- tem. This study proposed a new traffic management method that focuses on regional traffic volume dynamic control (based on macroscopic fundamental diagram and gating measure) and supplemented by conventional optimization. Meanwhile, traffic simulation model was used to assess the dynamic control. In the case study, the proposed methodology is applied to the West Second Ring Road network located in downtown area of Beijing. Adequate survey and analysis were conducted on current road traffic conditions and traffic problems to seek for a methodology to promote fluent traffic in city center. The result proved that the regional traffic volume dynamic control could ensure steady and orderly regional traffic flow, and enhance the mobility in saturated traffic conditions as well.

Key words: urban traffic, regional traffic volume dynamic control, macroscopic fundamental diagram, feedback control, microscopic traffic simulation

中图分类号:

U491

杜怡曼，吴建平，贾宇涵，许明 . 基于宏观基本图的区域交通总量动态调控技术[J]. 交通运输系统工程与信息, 2014, 14(3): 162-167.

DU Yi-man，WU Jian-ping，JIA Yu-han，XU Ming. MFD-Based Regional Traffic Volume Dynamic Control[J]. Journal of Transportation Systems Engineering and Information Technology, 2014, 14(3): 162-167.

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http://www.tseit.org.cn/CN/Y2014/V14/I3/162

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