[1]孔哲,过秀成,何明,等.基于动态聚类的大城市公交客流走廊甄别方法[J].东南大学学报(自然科学版),2010,40(5):1084-1088.[doi:10.3969/j.issn.1001-0505.2010.05.038]
　Kong Zhe,Guo Xiucheng,He Ming,et al.Urban transit corridor identification based on dynamic cluster analysis[J].Journal of Southeast University (Natural Science Edition),2010,40(5):1084-1088.[doi:10.3969/j.issn.1001-0505.2010.05.038]
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基于动态聚类的大城市公交客流走廊甄别方法()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
40
期数:
2010年第5期
页码:
1084-1088
栏目:
交通运输工程
出版日期:
2010-09-20

文章信息/Info

Title:
Urban transit corridor identification based on dynamic cluster analysis
作者:
孔哲;  过秀成;  何明;  严亚丹;  罗丽梅
东南大学交通学院,南京 210096
Author(s):
Kong Zhe;  Guo Xiucheng;  He Ming;  Yan Yadan;  Luo Limei
School of Transportation, Southeast University, Nanjing 210096, China
关键词:
公交客流走廊;  公交OD;  交通分配;  动态聚类
Keywords:
transit corridor;  transit OD(origins and destinations);  traffic assignment;  dynamic clustering
分类号:
U121
DOI:
10.3969/j.issn.1001-0505.2010.05.038
摘要:
针对公交客流走廊甄别方法存在局部走廊方向与客流方向不吻合等问题,将其分为方向判定和支撑道路识别2个阶段.选择交通中区公交客流OD中点坐标和与x轴正向的夹角作为动态聚类参数,根据公交客流OD与走廊的相对位置关系分类,考虑路径选择的随机性,引入Logit模型讨论不同情形公交OD利用走廊出行的客流量,以提高走廊识别的精度.在初始分配后,调整走廊支撑道路的交通分配参数进行再分配后判识公交客流交通走廊的支撑道路,分析走廊流量过大、过小的异常现象,检验方向判定中走廊数量选择的合理性,以提高走廊数量准确性.
Abstract:
Urban transit corridor identification method is divided into two phases, i.e., direction determination and supporting roads identification, since traditional transit corridor identification method is used as no more than concept planning or the conclusion resulted from it does not accord with that of the passenger flow in a certain area. The coordination of center point and the angle between the corridor direction and axis x of medium-sized traffic zone were chosen as clustering parameters for transit OD(origins and destinations)classification, and direction was determined through passenger flow iteration. Roads impedance was adjusted by transit assignment and supporting roads are identified based on passenger flow, and the number of corridors was validated by abnormal passenger flow analysis. A case is illustrated to which the above method is applied. The results indicate that identification accuracy of transit corridor can be improved by dynamic cluster index chosen in the paper. The Logit model is used to compute the transit corridor passenger flow which helps to consider the stochastic character of routine choice. The number accuracy of transit corridor can be improved by abnormal passenger flow analysis link.

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备注/Memo

备注/Memo:
作者简介: 孔哲(1983—),男,博士生; 过秀成(联系人),男,博士,教授,博士生导师,seuguo@163.com.
基金项目: 江苏省交通科学研究计划资助项目(JS09R04).
引文格式: 孔哲,过秀成,何明,等.基于动态聚类的大城市公交客流走廊甄别方法[J].东南大学学报:自然科学版,2010,40(5):1084-1088. [doi:10.3969/j.issn.1001-0505.2010.05.038]
更新日期/Last Update: 2010-09-20