Abstract
To improve the transportation capacity of the train, 10,000 tons level train is getting wide application and further research is required. Considering the significance of the longitudinal force and the synchronous control performance to the safe operation of the train, a simulation model on the longitudinal force of the heavy haul train is set up in this paper and theoretical calculations on longitudinal traction force, braking force, running resistance and coupler buffer force are conducted and then the whole process of the train starting to the train braking is simulated. Finally, the simulation test about the emergency brake of the heavy haul train is made to prove the feasibility of the simulation model.
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