Random Signal Analysis for Bearing Vibration
It was assumed that the vibration generated by rotating a near perfect ball bearing will produce random signals if the bearing does not have significant defects on the rings and/or on the balls, and if grease and surfaces are free of foreign particles. If fatigue damage of the bearing develops at a slow rate, the stationary vibration signal, i.e., an ergodic process, would result. The chi square test was then proposed to check the normality of the vibration signal distribution.
【CateGory Index】： TB53