大型综合客运枢纽送站坪交通特性及通行能力.docVIP

大型综合客运枢纽送站坪交通特性及通行能力 杨方宜 李铁柱 东南大学交通学院 X 关注成功！ 加关注后您将方便地在 我的关注中得到本文献的被引频次变化的通知！ 新浪微博 腾讯微博 人人网 开心网 豆瓣网 网易微博 摘????要： 为了提高送站坪通行能力计算模型的精确性, 提出改进的需求-容量模型.应用轨迹提取和数据挖掘的方法, 研究送站坪的交通特性, 分析发现在落客车道上, 车辆停车落客之前和之后的时间段都要在落客车道缓慢行驶, 针对该现象, 基于送站坪行车道和落客车道的速度差异, 利用车辆在系统中的行进时间、落客时间以及平均延误来计算分析车辆在送站坪系统中耗费的时间, 根据送站坪的有效车位数来估算送站坪的实际通行能力.经过实例验证分析, 结果 表明, 修改后的需求-容量模型能够很好地估计出送站坪的实际通行能力, 而原模型会高估其容量. 关键词： 大型综合客运枢纽; 送站坪; 车辆轨迹提取; 交通特性; 通行能力; 作者简介：杨方宜 (1988—) , 男, 博士生, 从事交通流的研究.ORCID:0000-0003-4792-8570.E-mail:230149534@seu.edu.cn 作者简介：李铁柱, 男, 教授.ORCID:0000-0002-2232-3607.E-mail:litiezhu@seu.edu.cn 收稿日期：2016-10-31 基金：中央高校基本科研业务费专项资金资助项目 (KYLX15_0155) Traffic characteristics and capacities of passenger drop-off area at large intermodal transportation terminals YANG Fang-yi LI Tie-zhu School of Transportation, Southeast University; Abstract： An improved demand-capacity model was proposed, in order to improve the calculation accuracy of the passenger drop-off area capacity model.The traffic flow characteristics were analyzed by vehicle trajectory extraction and data mining.The vehicles on the drop-off area usually run slowly a short distance before and after parking.For this phenomenon, the time of vehicles spend on the passenger drop-off area was calculated and analyzed by considering the running time, the parking time for passenger drop-off and the average delays based on the difference in speed of vehicles running on the passing lane and drop-off lane.The actual capacity of the passenger drop-off area was estimatedaccording to the number of effective parking spaces.The modified demand-capacity model can work well for estimating the actual traffic capacity of the passenger drop-off area, while the original model would overestimate its capacity. Keyword： large intermodal transportation terminal; passenger drop-off area; vehicle trajectories extraction; trafficcharacteristics; capacity; Received： 2016-10-31 需求-容量分析的概念是使用服务水平 (LOS) 标准从需求和供给方面来评价系统性能[1].FAA和TRB在1985年联合研究了机场陆侧容量的测量方法, 发