城市轨道交通线路通过能力计算方法研究
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摘要
在分析现有城市轨道交通线路通过能力计算方法的基础上,参考铁路列车追踪间隔时间的计算方法,提出一种城市轨道交通线路通过能力计算的新思路,即将列车在车站的停站作业虚拟为列车在一个长距离闭塞分区内运行,分别求解固定闭塞和移动闭塞条件下的列车追踪间隔时间。此方法消除了列车停站作业对于列车追踪间隔时间计算的影响,只需计算列车区间追踪间隔时间来确定线路通过能力。此外,利用这种虚拟化处理方法,研究城市轨道交通采用快慢车模式时快车越行慢车的问题,给出越行站位置的确定方法。在此基础上求解快慢车模式下的线路通过能力,并结合实际案例验证了计算模型的可行性。
Based on the analysis of existing calculation method of line carrying capacity for urban rail transit,a new calculation thinking of line carrying capacity for urban rail transit was proposed with references to the calculation method of train tracking interval.Namely,by virtualizing the train's dwelling operation at a station into the process of the train's uninterrupted operation in a long-distance block section,the train tracking interval under fixed block and moving block was solved respectively.The proposed method could eliminate the influence of the train dwelling operation on the calculation of train tracking interval,and it was only necessary to calculate the train tracking interval in section to determine line carrying capacity.Moreover,the problem of fast train overtaking slow train for urban rail transit under express/slow operation mode was analyzed through the virtualization processing method,and the method for determining the location of overtaking station was given,based on which the line carrying capacity under express/slow operation mode was calculated.The feasibility of the calculation model was verified by apractical case.
Based on the analysis of existing calculation method of line carrying capacity for urban rail transit,a new calculation thinking of line carrying capacity for urban rail transit was proposed with references to the calculation method of train tracking interval.Namely,by virtualizing the train's dwelling operation at a station into the process of the train's uninterrupted operation in a long-distance block section,the train tracking interval under fixed block and moving block was solved respectively.The proposed method could eliminate the influence of the train dwelling operation on the calculation of train tracking interval,and it was only necessary to calculate the train tracking interval in section to determine line carrying capacity.Moreover,the problem of fast train overtaking slow train for urban rail transit under express/slow operation mode was analyzed through the virtualization processing method,and the method for determining the location of overtaking station was given,based on which the line carrying capacity under express/slow operation mode was calculated.The feasibility of the calculation model was verified by apractical case.
引文
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[2]罗丽云,吴汶麒.城市轨道交通移动闭塞列车安全间隔时间分析[J].中国铁道科学,2005,26(1):119-123.(LUO Liyun,WU Wenqi.Analysis on the Safety Time Interval of Train with Movable Block System in Urban Rail Transit[J].China Railway Science,2005,26(1):119-123.in Chinese)
[3]路飞.移动闭塞条件下地铁列车的运行优化[D].山东:山东大学,2007.(LU Fei.Operation Optimization of the Subway Train under Moving Block System[D].Shandong:Shandong University,2007.in Chinese)
[4]毛保华.城市轨道交通系统运营管理[M].北京:人民交通出版,2006.(MAO Baohua.Operations and Management for Urban Rail Transit[M].Beijing:China Communications Press,2006.in Chinese)
[5]ABRIL M,BARBER F,INGOLOTTI L,et al.An Assessment of Railway Capacity[J].Transportation Research Part E,2008,44(5):744-806.
[6]汤珏,陈富贵.地铁快慢车模式越行点的确定方法研究[J].铁道工程学报,2014,193(10):89-93.(TANG Jue,CHEN Fugui.Determination Method of Overtaking Point in the Metro Express/Slow Train Mode[J].Journal of Railway Engineering Society,2014,193(10):89-93.in Chinese)
[7]汤珏,陈富贵.地铁快慢车模式系统能力损失原则研究[J].铁道工程学报,2014,195(12):96-100.(TANG Jue,CHEN Fugui.Research on the Principle of System Capacity Loss in the Mode of Express/Slow Urban Rail Transit[J].Journal of Railway Engineering Society,2014,195(12):96-100.in Chinese)
[8]杨浩.铁路运输组织学[M].北京:中国铁道出版社,2011.(YANG Hao.Organization of Railway Transportation[M].Beijing:China Railway Publishing House,2011.in Chinese)
[9]张岳松,田长海,姜昕良,等.高速铁路列车间隔时间的计算方法[J].中国铁道科学,2013,34(5):120-125.(ZHANG Yuesong,TIAN Changhai,JIANG Xinliang,et al.Calculation Method for Train Headway of High Speed Railway[J].China Railway Science,2013,34(5):120-125.in Chinese)