有轨电车共线运营下三通区的设计通过能力优化研究
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摘要
在多路有轨电车共线运营条件下,三通区作为共线段与非共线段连接交汇的区段,其通过能力将影响共线运营的效率。以武汉光谷现代有轨电车当代国际花园站三通区为例,对三通区进行研究和分析,并对其设计通过能力进行评估;从设计阶段出发,通过增加信号设备、分割长进路等方法,对三通区现有方案进行优化,并给出案例对比和分析,提出共线运营线路行车组织设计启示。结果表明,优化方案可在保证限速安全的前提下降低上下行的负荷度,有效提高三通区的设计通过能力。
In the co-line operation of trams, a three-way area is a section in which the joint line segment and the non-common line segment converge. The efficiency of the co-line operation will be affected by the capacity of this area. Taking the three-way area of the modern tram at the Modern International Garden Station in Wuhan Optics Valley as an example, the three-way area is studied and analyzed, and its design and passing capacity are evaluated. For the design stage, the existing schemes are optimized by adding signal equipment and segmenting the path, and a case comparison and analysis are given. A proposal for the organizational design of a common operation line is put forward. The results show that the optimized scheme can reduce the upstream and downstream load and effectively improve the design capacity of the three-way area while ensuring that the speed limit is upheld.
In the co-line operation of trams, a three-way area is a section in which the joint line segment and the non-common line segment converge. The efficiency of the co-line operation will be affected by the capacity of this area. Taking the three-way area of the modern tram at the Modern International Garden Station in Wuhan Optics Valley as an example, the three-way area is studied and analyzed, and its design and passing capacity are evaluated. For the design stage, the existing schemes are optimized by adding signal equipment and segmenting the path, and a case comparison and analysis are given. A proposal for the organizational design of a common operation line is put forward. The results show that the optimized scheme can reduce the upstream and downstream load and effectively improve the design capacity of the three-way area while ensuring that the speed limit is upheld.
引文
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[4]俞文韬.浅析共线运营在我国城轨交通中的合理运用[J].安徽工业大学学报(社会科学版),2011,28(4):32-34.YU Wentao.On the utilization of joint operation in urban rail transit[J].Journal of Anhui University of Technology(Social Sciences),2011,28(4):32-34.
[5]戴克平,张艳兵,朱力,等.基于LTE的城市轨道交通车地通信综合承载系统[J].都市快轨交通,2016,29(1):69-74.DAI Keping,ZHANG Yanbing,ZHU Li,et al.An integrated LTE-based urban rail train ground communication system[J].Urban rapid rail transit,2016,29(1):69-74.
[6]唐涛,燕飞,郜春海.轨道交通信号系统安全评估与认证体系研究[J].都市快轨交通,2004,17(1):28-32.TANG Tao,YAN Fei,GAO Chunhai.A study on the safety assessment and certification framework for urban rail transit signaling systems[J].Urban rapid rail transit,2004,17(1):28-32.
[7]刘海东,毛保华,刘剑锋,等.铁路信号机布置及其计算机实施系统的研究[J].系统仿真学报,2006,18(1):62-66.LIU Haidong,MAO Baohua,LIU Jianfeng,et al.Study on railway signaling layout and computer simulation system[J].Journal of system simulation,2006,18(1):62-66.
[8]潘明.提高有轨电车平交路口通行效率的方案[J].现代城市轨道交通,2017(10):12-15.PAN Ming.Scheme to improve tram traffic efficiency at level crossing[J].Modern urban transit,2017(10):12-15.
[9]王宝杰.城市现代有轨电车站间信号优先控制方法研究[D].南京:东南大学,2016.WANG Baojie.Segmented signal priority models for urban modern streetcar based on stations[D].Nanjing:Southeast University,2016.
[10]李凯,毛励良,张会,等.现代有轨电车交叉口信号配时方案研究[J].都市快轨交通,2013,26(2):104-107.LI Kai,MAO Liliang,ZHANG Hui,et al.Study on the control projects for modern tramcars at signal intersections[J].Urban rapid rail transit,2013,26(2):104-107.
[11]CHRISTOFA E,AMPOUNTOLAS K,SKABARDONISA.Arterial traffic signal optimization:A person-based approach[J].Transportation research part C:Emerging technologies,2016(66):27-47.
[12]滕靖,潘炜维,王园园,等.现代有轨电车一体化仿真系统设计与实现[J].都市快轨交通,2018,31(3):125-132.TENG Jing,PAN Weiwei,WANG Yuanyuan,et al.Integrated tram simulation system:Design and implementation[J].Urban rapid rail transit,2018,31(3):125-132.