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PAN Deng, MEI Meng, ZHENG Ying-ping. Laws of high-speed train operation speed acting on line capacity[J]. Journal of Traffic and Transportation Engineering, 2015, 15(6): 68-74. doi: 10.19818/j.cnki.1671-1637.2015.06.009
Citation: PAN Deng, MEI Meng, ZHENG Ying-ping. Laws of high-speed train operation speed acting on line capacity[J]. Journal of Traffic and Transportation Engineering, 2015, 15(6): 68-74. doi: 10.19818/j.cnki.1671-1637.2015.06.009
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Laws of high-speed train operation speed acting on line capacity

doi: 10.19818/j.cnki.1671-1637.2015.06.009

  • School of Electronic and Information Engineering, Tongji University, Shanghai 201804, China

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  • Author Bio:

    PAN Deng(1969-), male, associate professor, PhD, +86－21－69589241, pandengreal@sina.com

  • Received Date: 2015-07-10
  • Publish Date: 2015-06-25
    Abstract
  • The mathematical models of quasi-moving block system and moving block system were used to calculate total vehicle distance, train interval time and line capacity. When brake accelerations were -0.63, -0.75, -0.85 and-0.90 m·s-2 respectively, the simulation experiments were carried out to analyze the laws of high-speed train operation speed acting on line capacity.Analysis result shows that safe headway is proportional to initial speed when train decreases speed to stop.Train interval time and line capacity are closely related to safe headway, train operation speed and initial parameter values.The minimum of train interval time and the maximum of line capacity exist accordingly.The smaller braking acceleration is, the smaller train interval is, and the greater line capacity is.Train interval time can be controlled in 3 min, and line capacity can reach over 1 000 trains a day.Train interval time of quasi-moving block system is longer than that of moving block system, and its line capacity is less than that of moving block system.Considering the feasibility of engineering application makes the line capacity gap between quasi-moving block system and moving block system to further expand.

     

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