Rolling Bearing Diagnosis Based on Adaptive Probabilistic PCA and the Enhanced Morphological Filter

Table 8

The comparison results of APPCA-EMDF, ACDIF, VMD, and SK methods in experimental case 2.

Method	APPCA-EMDF	ACDIF	VMD	SK
CPU time (s)	107.86	62.61	95.38	11.55
Kurtosis	8.9002	4.5460	3.2179	3.9950
FEF	0.1041	0.0432	0.0614	0.0285