[1]薛国新,顾怀中.基于虚坡模型的交叉口交通流的解耦方法[J].常州大学学报(自然科学版),2006,(02):44-48.
　XUE Guo- x in,GU Huai- zhong.Imaginary Slop Model Based Decoupling Method Proposed for Crossing Traffic Flows[J].Journal of Changzhou University(Natural Science Edition),2006,(02):44-48.
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基于虚坡模型的交叉口交通流的解耦方法()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2006年02期
页码:
44-48
栏目:
出版日期:
2006-06-25

文章信息/Info

Title:
Imaginary Slop Model Based Decoupling Method Proposed for Crossing Traffic Flows
作者:
薛国新1;  顾怀中2
1.江苏工业学院计算机科学与工程系, 江苏 常州 213164; 2. 南京公安局公安交通科研所, 江苏 南京 210000
Author(s):
XUE Guo- x in1;  GU Huai- zhong2
1. Department of Computer Science and Technology, Jiangsu Poly technic University, Changzhou 213164, China; 2. Nanjing Public Security and Trasportat ion Research Institute, Nanjing Public Security Bureau, Nanjing 210000, China
关键词:
虚坡;  交通流;  信号灯;  超车;  跟车
Keywords:
imaginary slop;  t raf fic flow ;  traff ic lights;  overtaking;  car f low ing
分类号:
O 362
文献标志码:
A
摘要:
交叉口交通流的模型是进行红绿灯优化管理仿真模拟的基础。传统的方法仍有其不足之处, 主要表现在对统计手段有较 大的依赖性。为此, 提出了一种基于虚坡模型的解耦方法, 它将路口的红灯黄灯效应用假想路障代替, 将一个方向上的车流对 另一个方向上车流的影响用另一个假想的宽度变化的路障代替, 而假想路障则在虚坡模型中表示为速度为零的车辆。由此, 交 叉口两个方向上的交通流被表示为两条独立道路上的交通流, 用虚坡模型算出每一方向上各车的行驶规律, 并求出折合行驶延 误时间。调整信号灯切换时间令总体延误时间为最小, 就
Abstract:
The calculation of crossing traffic flows is a basic problem in the simulation of traffic light ( signal light) management . The traditional methods still have their shortcomings. One of them is that they depend on statistical methodologies to a great extent. Based on the imaginary/ v irtual slop model, a decoupling method for crossing traffic flow s was proposed. It used an imaginary road block to simulate the effect caused by the red lights and the yellow lights. And another imagined road block was int roduced to express the effect of the traffic flow in one direction on the traffic flow in another direction. The width of the latter was thought to be changing . Both of the two imaginary road blocks were expressed as additional imaginary vehicles of zero speeds. And the calculation of the two crossing traffic flows was decoupled to the calculation of two independent traffic flows. Further the imaginary slop model was applied to determine the running process of the vehicles. In this way the total delayed time of all vehicles was found. Regulating the on-off time of the traffic lights to minimize the total delayed time of the vehicles, an optimal management arrangement of the traffic lights was found. The proposed method was applied to a problem of large scale and useful results were produced. It showed that traffic management problems could be simulated directly with the imaginary slop model.

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相似文献/References:

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　XUE Guo -x in.Simulation Model of Running Vehicles with Changing Imaginary Slope Including Multiple Random Factors[J].Journal of Changzhou University(Natural Science Edition),2009,(02):61.

备注/Memo

备注/Memo:
基金项目: 江苏省社会发展基金项目( BS2000100) 作者简介: 薛国新( 1962- ) , 男, 江苏武进人, 研究员, 5计算机仿真6 编委, 主要研究方向为仿真和图像处理 及交通管理等。
更新日期/Last Update: 2006-06-25