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WEI Wei, YU Zhong-jian. Influence of lag time for slave control locomotive on longitudinal coupler forces of 30 000 t train[J]. Journal of Traffic and Transportation Engineering, 2011, 11(2): 39-44. doi: 10.19818/j.cnki.1671-1637.2011.02.007
Citation: WEI Wei, YU Zhong-jian. Influence of lag time for slave control locomotive on longitudinal coupler forces of 30 000 t train[J]. Journal of Traffic and Transportation Engineering, 2011, 11(2): 39-44. doi: 10.19818/j.cnki.1671-1637.2011.02.007
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Influence of lag time for slave control locomotive on longitudinal coupler forces of 30 000 t train

doi: 10.19818/j.cnki.1671-1637.2011.02.007

  • Key Laboratory of Vehicle Engineering Advanced Technology, Dalian Jiaotong University, Dalian 116028, Liaoning, China

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  • Author Bio:

    WEI Wei(1963-), male, professor, PhD, +86-411-84109291, weiwei@djtu.edu.cn

  • Received Date: 2010-12-16
  • Publish Date: 2011-04-25
    Abstract
  • The performance of air brake system was got by using brake system simulation method. The coupler forces of 30 000 t train under the service and emergency applications of multi-locomotives with lag times were analyzed by using train dynamics simulation method. The feasibility marshalling of 30 000 t heavy haul train on Datong-Qinhuangdao Railway Line was proposed. The change tendencies of maximum coupler forces at service and emergency applications were analyzed when slave control locomotives had different lag times. Analysis result shows that in the case of full service application, the lag time of second slave control locomotive has a greater impact on coupler force than that of first slave control locomotive, and maximum coupler force increases by 80.2% when slave control locomotive lag time is 5 s. In the case of emergency application, the lag time of first slave control locomotive has a greater impact on coupler force, and maximum coupler force increases by 335.9% when slave control locomotive lag time is 5 s. Coupler force can be controlled within acceptable range when the lag time of slave control locomotive keeps within 4.1 s.

     

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