A Novel Method for Mechanical Fault Diagnosis Based on Variational Mode Decomposition and Multikernel Support Vector Machine

Table 3

Experimental parameters of rolling bearing.

Experimental parameter	Value
Outer ring diameter	52 mm
Inner ring diameter	25 mm
Rolling ring diameter	7.5 mm
The number of rolling elements	12
Bearing contact angle
Driving speed	1000 r/min
Bearing type	N205
Sampling frequency	10 KHz