Abstract
An EMU train with detailed cabin structural is established based on the finite element method. The secondary impact between train driver and control desk is fully analysed and two measures are proposed to reduce the driver injury severity, such as the multi-objective optimization of the driver seat position and equipping the train with three-point seat belt. Simulation results indicate that the driver seat position has a significant effect on the driver injury severity during a secondary impact. According to the multi-objective optimization, some Pareto solutions are suggested to design the driver seat position. Besides that, it is also indicated although the chest and leg are well protected when the driver wears a two-point seat belt, it increases the head injure during a secondary impact. On the other hand, the three-point seat belt can supply the train driver with an overall protection against the secondary impact. The injury criteria (HIC, VC, TI) of the driver with the three-point seat belt is significantly lower than those of the driver without seat belt. Moreover, according to the simulation analysis, the limited load of the three-point seat belt is suggested about 1.5 kN.
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