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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2011  >  11(3): 41-46
SHANGGUAN Wei, CAI Bo-gen, WANG Jing-jing, WANG Jian, WANG Li. Braking mode curve arithmetic of high-speed train above 250 km·h-1[J]. Journal of Traffic and Transportation Engineering, 2011, 11(3): 41-46. doi: 10.19818/j.cnki.1671-1637.2011.03.008
Citation: SHANGGUAN Wei, CAI Bo-gen, WANG Jing-jing, WANG Jian, WANG Li. Braking mode curve arithmetic of high-speed train above 250 km·h-1[J]. Journal of Traffic and Transportation Engineering, 2011, 11(3): 41-46. doi: 10.19818/j.cnki.1671-1637.2011.03.008
shu

Braking mode curve arithmetic of high-speed train above 250 km·h-1

doi: 10.19818/j.cnki.1671-1637.2011.03.008
  • 1.

    School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China

  • 2.

    State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China

More Information
  • Author Bio:

    SHANGGUAN Wei(1979-), male, lecturer, PhD, +86-10-51687111, wshg@bjtu.edu.cn

  • Received Date: 2011-01-07
  • Publish Date: 2011-06-25
    Abstract
  • The braking system of high-speed train above 250 km·h-1 was studied, and the running resistance, braking force and braking distance of high-speed train were analyzed. Based on curve theory of target distance mode, the piecewise iteration model of braking mode curve for high-speed train was proposed. With MATLAB/Simulink software, the changes of running resistances on flat-straight line, direct ramp with grade 15‰ and direct ramp with grade 25‰ for CRH2-300 type high-speed train were analyzed, and the normal braking curves and emergency braking curves of CRH2-300 type and CRH3 type high-speed trains at initial braking speed 300 km·h-1 were compared. Calculation result indicates that the emergency braking distance of CRH2-300 type high-speed train is 2 786. 68 m on direct ramp, the emergency braking distance of CRH3 type high-speed train is 3 319. 37 m on direct ramp, and both of them are less than 3 700 m, which is the maximum braking distance of braking requirement. Simulation braking curves almost consistent with actual braking curves, which verifies the validity of piecewise iteration algorithm.

     

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