An Analysis of the Self-Excited Torsional Vibrations of the Electromechanical Drive System
2016
scientific article
english
- torsional vibrations
- electromechanical coupling
- wheel-rail adhesion
- wheelset drivetrain dynamic
EN This paper presents a dynamic analysis of torsional vibrations of the railway drive system. A dynamic electromechanical drive model has been created and then integrated with the railway wheelset-rail system to simulate self-excited torsional vibrations of the considered system. Results of this analysis are used in order to investigate the drive system’s sensitivity to torsional oscillations. Here, the dynamic electromechanical interaction between the electric driving motor and the rotating wheelset is considered. This investigation has proved that the torsional stiffness and damping of drivetrain system strongly affect amplitudes of the self-excited vibrations. A self-excited vibrations affecting on an energy consumption of the electric motor of the considered system are studied
187 - 194
CC BY (attribution alone)
public
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