Mechanism of self-excited torsional vibration of locomotive driving system

Abstract

A single wheelset drive model and 2-DOFs torsional vibration model were established to investigate the self-excited torsional vibration of a locomotive driving system. The simulation results indicate that the self-excited torsional vibration occurs when the steady slip velocity is located at the descending slope of the adhesion coefficient curve. The principle of energy conservation was used to analyze the mechanism of the self-excited vibration. The factors affecting on the amplitude of the self-excited vibration are studied.

Keywords

locomotive / driving system / self-excited torsional vibration / mechanism / influence factor

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (Grants Nos. 50875219, 50821063, and 50823004) and the National High-Tech Research and Development Program of China (863 Program) (No. 2009AA11Z202).

RIGHTS & PERMISSIONS

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg