[1]王忠宇,贺文雅,杨航,等.基于轨迹数据的高速公路养护维修作业区车辆换道特性研究[J].东南大学学报(自然科学版),2018,48(4):745-751.[doi:10.3969/j.issn.1001-0505.2018.04.022]
 Wang Zhongyu,He Wenya,Yang Hang,et al.Lane changing performance study of freeway maintenance work zones based on vehicle trajectory data[J].Journal of Southeast University (Natural Science Edition),2018,48(4):745-751.[doi:10.3969/j.issn.1001-0505.2018.04.022]
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基于轨迹数据的高速公路养护维修作业区车辆换道特性研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
48
期数:
2018年第4期
页码:
745-751
栏目:
交通运输工程
出版日期:
2018-07-20

文章信息/Info

Title:
Lane changing performance study of freeway maintenance work zones based on vehicle trajectory data
作者:
王忠宇1贺文雅2杨航3王艳丽3吴兵3
1上海海事大学交通运输学院, 上海 201306; 2深圳市都市交通规划设计研究院公共交通研究所, 深圳 518058; 3同济大学道路与交通工程教育部重点实验室, 上海 201804
Author(s):
Wang Zhongyu1 He Wenya2 Yang Hang3 Wang Yanli3 Wu Bing3
1College of Transport and Communications, Shanghai Maritime University, Shanghai 201306, China
2Public Transit Research Institute, Shenzhen Urban Transport Planning and Design Institute, Shenzhen 518058, China
3Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai 201804, China
关键词:
交通工程 换道特性 轨迹数据分析 高速公路养护维修作业区 无人机视频
Keywords:
traffic engineering lane changing performance vehicle trajectory data analysis freeway maintenance work zone unmanned aerial vehicle video
分类号:
U418
DOI:
10.3969/j.issn.1001-0505.2018.04.022
摘要:
为了确保高速公路养护维修作业区人车安全、科学制定交通组织和管控措施,基于无人机航拍行车风险区域内高质量交通流视频,提取车辆运行轨迹数据以研究车辆换道特性.为克服将开启转向灯作为车辆换道起始点的不合理之处,提出根据车辆运行轨迹线与车道线之间的几何关系确定车辆换道起始点、结束点的方法;提出利用行车风险区各车道换道频数、频率热力图描述换道起始点空间分布的方法;建立二次回归模型,刻画分车道的车辆换道长度与换道起始点的关系.研究结果表明:封闭车道上的车辆需要全部换道,可通行车道上部分车辆也存在换道行为,且距封闭车道越近受影响越大,车辆换道率越高;各车道车辆换道行为存在横向延迟扩散现象,距离封闭车道越远的可通行车道上车辆换道频率高的区域出现越晚;随着换道起始点越来越靠近工作区,行车风险区域内车辆换道长度呈下降趋势,并且距封闭车道越远的可通行车道上车辆换道长度下降越明显.
Abstract:
In order to guarantee the human and vehicle safety in freeway maintenance work zones, and work out traffic operation and management measures scientifically, vehicle trajectory data was extracted to study the lane changing performance based on the high resolution traffic flow video recorded by unmanned aerial vehicle in driving risk area. To overcome the defect of considering the indicator lamp-on as the lane changing start point, the determination method of lane changing start point and end point was proposed using the geometrical relationship between the vehicle trajectory line and lane lines. The description method of lane changing start point spatial distribution in driving risk area utilizing multi-lane lane changing frequency thermodynamic diagram was also presented. Finally, quadratic regression models were established to depict the relationship between the lane changing length and lane changing start point location coordinate. The results show that all the vehicles in closed lane must switch over to other lanes, while there are also lane changing behaviors in practicable lanes. The nearer the lane to the closed lane, the more serious the impact, and consequently the higher the lane changing ratio. There is a phenomenon of horizontal delay diffusion of the vehicle lane changing behaviors in each lane in the driving risk area. The longer the distance from the practicable lane to the closed lane, the later the area with higher lane changing frequency appears. In addition, as the lane changing start point is close to the activity area, the lane changing length in the driving risk area will decrease, and the trend is more obvious as the practicable lane is farther from the closed lane.

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备注/Memo

备注/Memo:
收稿日期: 2017-12-25.
作者简介: 王忠宇(1983—),男,博士,讲师;吴兵(联系人),男,博士,教授,博士生导师, wubing@tongji.edu.cn.
基金项目: 国家自然科学基金重点资助项目(51138003)、中央高校基本科研业务费专项资金资助项目(22120170164).
引用本文: 王忠宇,贺文雅,杨航,等.基于轨迹数据的高速公路养护维修作业区车辆换道特性研究[J].东南大学学报(自然科学版),2018,48(4):745-751. DOI:10.3969/j.issn.1001-0505.2018.04.022.
更新日期/Last Update: 2018-07-20