THE VIBRATION OF THE TAIL CAR IN A COUPLED TRAIN

Abstract

From the vibration data collected on the Shinkansen, it is recognized that the vibration amplitude of the tail car is greater than that of the other cars in a train. although the tail car is identical with the head car. In order to analyse the reason. we have investigated whether or not the greater vibration of the tail car comes from the hunting characteristics of a "coupled train". First, the stability of cat body hunting motion and the vibration modes were calculated. Next, for the purpose of evaluating how the hunting characteristics were reflected in a vibration response to track irregularity, the vibration responses in a "coupled train were calculated. The result shows that one reason for the greater vibration of the tail car might be in the vibration modes of hunting motion in a "coupled train ".