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

Table 4

Comparison of classification accuracy with four different parameters.

Diagnostic model	Average percentage of correct recognition (%)
	Normal	Outer ring fault	Inner ring fault	Rolling element fault
IGA-MSVM	100	96.67	93.33	90.00
MSVM	100	86.67	91.11	85.56
GSVM	100	81.11	84.44	74.44
PSVM	100	78.89	82.22	68.89