[1]李爱增,李文权.路段多车型混合车流通行能力[J].东南大学学报(自然科学版),2007,37(5):926-929.[doi:10.3969/j.issn.1001-0505.2007.05.037]
 Li Aizeng,Li Wenquan.Capacity of mixed traffic flow composed of multi-type vehicles on sections[J].Journal of Southeast University (Natural Science Edition),2007,37(5):926-929.[doi:10.3969/j.issn.1001-0505.2007.05.037]
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路段多车型混合车流通行能力()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
37
期数:
2007年第5期
页码:
926-929
栏目:
交通运输工程
出版日期:
2007-09-20

文章信息/Info

Title:
Capacity of mixed traffic flow composed of multi-type vehicles on sections
作者:
李爱增 李文权
东南大学交通学院, 南京 210096
Author(s):
Li Aizeng Li Wenquan
School of Transportation, Southeast University, Nanjing 210096, China
关键词:
混合车流 通行能力 车头时距 车头间距 跟驰序列
Keywords:
mixed traffic flow capacity time headway space headway car-following sequence
分类号:
U491.1
DOI:
10.3969/j.issn.1001-0505.2007.05.037
摘要:
利用概率论方法,通过对由多种车型构成的混合车流不同跟驰序列,不同组合概率的研究,得到了跟驰车头时距路段多车型混合车流通行能力模型.基于经典车头间距模型,通过对混合车流不同跟驰序列下最小车头间距的研究,得到了多车型混合车流的组合车头间距,进而得到了跟驰车头间距路段多车型混合车流通行能力模型.推广了由大、小2种车型构成的混合车流的通行能力模型.研究表明,路段多车型混合车流通行能力不仅与反应时间、车辆速度、车辆长度、制动性能等有关,还与混合车流的车辆组成状况及跟驰序列相关.最后实例分析了不同小型车混入率情况下路段通行能力的变化状况.
Abstract:
By means of probability analysis, different car-following sequences and combinatorial probabilities of mixed traffic flow, which was made up of r categories of vehicles, was studied, and a capacity model of this traffic flow on sections was established using car-following time headway. Based on classical space headway model, by studying the minimum space headway of different car-following sequences, a combinatorial space headway of mixed traffic flow was acquired, and another capacity model of mixed traffic flow on sections was established using car-following space headway. Existing models just aimed at the mixed traffic flow of two kinds of vehicles. The proposed models develop previous capacity models. Research results indicate that the capacity of mixed traffic flow on sections relates not only to drivers’ reaction time, running velocity, vehicle length and brake characteristics, but also to combinatorial proportions and car-following sequence of mixed traffic flow. Finally the trend of capacity changing of different car proportions is analyzed through an example.

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备注/Memo

备注/Memo:
基金项目: 国家自然科学基金资助项目(50078015).
作者简介: 李爱增(1972—),男,博士生; 李文权(联系人),男,博士,教授,博士生导师,wenqli@seu.edu.cn.
更新日期/Last Update: 2007-09-20