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SIMULATING LONGITUDINAL TRAIN MOVEMENT WITH COMPUTER

Q Zhang, Xuegong Zeng, Qin Wei

Abstract

Track-train dynamics, train movements, train movement states, and mathematical models for simulating longitudinal train movements are described in the report. Simulating systems are set up and programmed on a computer. The article also presents the architecture, functions, and applications of a simulation system (LQD). The system can be used to determine coupling forces and energy consumption, to investigate accidents, and to check track layout. Slack action impact in a train and relevant programming problems are discussed in the paper. With the help of LQD, we have studied the relationship between the maximum coupling forces and profile parameters, especially with the difference in gradients, and put forward a new theory about difference in gradients.

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Available abstract

Key concepts: Track (disk drive), Movement (music), Computer science, Coupling (piping), Set (abstract data type), Simulation, Energy consumption, Action (physics)