Abstract

In this study, the interaction between 10-DOF half-car high-speed train (HST) and bridge has been introduced with active suspension system (ASS) placed on primary and secondary system of the HST. The bridge has been modelled according to Euler-Bernoulli beam theory considering simple-supported boundary conditions. The train model consists of front and rear bogies, body masses. To connect any mass to each other the spring and damping element have been used. The equation of motion of the entire system has been determined using Lagrange equation in the time domain. The excessive vibration due to train bridge interaction (TBI) is analyzed then fuzzy logic control algorithm has been designed to control these uncomfortable vibrations. Consequently, the vibrations on the train body, front and rear bogie is reduced significantly.

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