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An air brake model for longitudinal train dynamics studies

journal contribution
posted on 01.05.2018, 00:00 by W Wei, Y Hu, Qing WuQing Wu, X Zhao, J Zhang, Y Zhang
© 2016 Informa UK Limited, trading as Taylor & Francis Group. Experience of heavy haul train operation shows that heavy haul train fatigue fracture of coupler and its related components, even the accidents are caused by excessive coupler force. The most economical and effective method to study on train longitudinal impulse by reducing the coupler force is simulation method. The characteristics of train air brake system is an important excitation source for the study of longitudinal impulse. It is very difficult to obtain the braking characteristic by the test method, a better way to get the input parameters of the excitation source in the train longitudinal dynamics is modelling the train air brake system. In this paper, the air brake system model of integrated system of air brake and longitudinal dynamics is introduced. This introduce is focus on the locomotive automatic brake valve and vehicle distribution valve model, and the comparative analysis of the simulation and test results of the braking system is given. It is proved that the model can predict the characteristics of train braking system. This method provides a good solution for the excitation source of longitudinal dynamic analysis system.

History

Volume

55

Issue

4

Start Page

517

End Page

533

Number of Pages

17

eISSN

1744-5159

ISSN

0042-3114

Peer Reviewed

Yes

Open Access

No

Acceptance Date

19/10/2016

External Author Affiliations

Dalian jiaotong University, Dalian, People’s Republic of China

Author Research Institute

Centre for Railway Engineering

Era Eligible

Yes

Journal

Vehicle System Dynamics