In order to learn through study the influence of piston action induced ventilation on the underground thermal environment so as to control it and improve the environmental quality, a field test in Beijing underground railway system is conducted when a train start, accelerate, move in constant speed, decelerate and halt.

Study on simulation algorithm of metro train operation;

Relation between the passenger compartment side doors space of metro train and the station shield door;

Application of reliability technique to subway train;

Event-based control technology for the optimization of subway train s running time;

Simulation analysis on the running time of subway train;

The frequency characteristic of the motivation force acting on the subgrade induced by Metro vehicle,its relationship with the self-vibration characteristic of building structure,and the correlative damping measures are discussed.

At present, studies about simulation of metro vehicle operation are mostly on the basic issues of performance calculation.