基于旅行时间分析的城轨乘客路径集验证方法
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摘要
城市轨道交通乘客出行路径集是否正确,是乘客路径选择估计以及网络客流分布计算的前提和基础.从现有客流分布模型中有效路径选择集问题及OD实际旅行时间聚类特征出发,引入Rodriguez-Laio快速聚类算法,提出基于旅行时间聚类分析的城市轨道交通乘客路径集验证方法.以北京地铁网络为例进行算例分析,结果表明,该方法可以在全网络范围内对路径选择集问题OD作出快速识别及滚动验证,并为以原因分析为导向的现场客流调查与模型修正工作提供重要参考.
The route choice set plays an important role in estimating passenger route choice and consequently calculating passenger flow distribution on an urban rail transit(URT)network.In terms of the problem of the route choice set in the existing assignment model and the cluster characteristics of actual travel times of URT passengers,a URT route choice set validation method based on travel time cluster analysis was proposed.It was developed on the basis of Rodriguez-Laio cluster algorithm.Taking the Beijing subway network for example,it is found that the proposed method can make rapid identification and rolling validation for abnormal OD on the whole network level,and provide important references for the passenger flow survey of cause-analysis oriented as well as model modification.
The route choice set plays an important role in estimating passenger route choice and consequently calculating passenger flow distribution on an urban rail transit(URT)network.In terms of the problem of the route choice set in the existing assignment model and the cluster characteristics of actual travel times of URT passengers,a URT route choice set validation method based on travel time cluster analysis was proposed.It was developed on the basis of Rodriguez-Laio cluster algorithm.Taking the Beijing subway network for example,it is found that the proposed method can make rapid identification and rolling validation for abnormal OD on the whole network level,and provide important references for the passenger flow survey of cause-analysis oriented as well as model modification.
引文
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[10]北京地铁.北京城市轨道交通线网图[EB/OL].[2016-12-26]https://www.bjsubway.com/station/xltzs/.Beijing Subway.Beijing urban rail transit network[EB/OL].[2016-12-26]https://www.bjsubway.com/station/xltzs/.
[2]陶玥,张冬泉.城市轨道交通票款清分方法[J].都市快轨交通,2010,23(4):16.TAO Yue,ZHANG Dongquan.Urban rail transit ticket repayment method[J].Urban Rapid Rail Transit,2010,23(4):16.
[3]林湛,蒋明青,刘剑锋,等.城市轨道交通客流分配的改进Logit模型及方法[J].交通运输系统工程与信息,2012,12(6):145.LIN Zhan,JIANG Mingqing,LIU Jianfeng,et al.Improved logit model and method for urban rail transit network assignment[J].Journal of Transportation Systems Engineering and Information Technology,2012,12(6):145.
[4]BOVY P H L.On modelling route choice sets in transportation networks:a synthesis[J].Transport Review,2009,29(1):43.
[5]徐瑞华,李伟,朱炜.考虑时空约束的地铁乘客出行路径集生成算法[J].同济大学学报(自然科学版),2015,43(7):1025.XU Ruihua,LI Wei,ZHU Wei.Path set generation algorithm for schedule-based rail transit with constraints of time and space[J].Journal of Tongji University(Natural Science),2015,43(7):1025.
[6]于江波,王浙君.基于出行时间匹配的ACC清分模型的研究[J].城市轨道交通研究,2013,16(1):43.YU Jiangbo,WANG Zhejun.Study on clearing model based on travel matching time[J].Urban Mass Transit,2013,16(1):43.
[7]徐瑞华,朱炜,宋芳清,等.上海地铁网络清分模型验证及优化研究[R].上海:同济大学,2014.XU Ruihua,ZHU Wei,SONG Fangqing,et al.Study on the verification and optimization of Shanghai subway network distribution model[R].Shanghai:Tongji University,2014.
[8]徐瑞华,朱炜,周峰,等.北京城市轨道交通清分模型综合验证及优化评估技术研究[R].上海:同济大学,2018.XU Ruihua,ZHU Wei,ZHOU Feng,et al.Comprehensive verification and optimization technology on Beijing urban rail traffic clearing model[R].Shanghai:Tongji University,2018.
[9]RODRIGUEZ A,LAIO A.Cluster by fast search and find of density peaks[J].Science,2014,344:6191.
[10]北京地铁.北京城市轨道交通线网图[EB/OL].[2016-12-26]https://www.bjsubway.com/station/xltzs/.Beijing Subway.Beijing urban rail transit network[EB/OL].[2016-12-26]https://www.bjsubway.com/station/xltzs/.