Experimental Analysis of the Vertical Vibration of the Railway Bogie During Braking

摘要

The paper analyzes the vertical vibration of a bogie of a railway passenger vehicle, based on the accelerations of the axles and the bogie frame obtained within measurements done during braking. This end, the axle and bogie accelerations has been measured during three different braking sequences and compared with the accelerations measured at constant speed. The results featured highlight the fact that bogie accelerations increase greatly during braking and become comparable to axle accelerations. Also, based on the spectral analysis of the measured accelerations, a series of defects in the wheels and rolling surfaces of the rail and wheels are identified.