Rolling Bearing Fault Diagnosis Using Modified Neighborhood Preserving Embedding and Maximal Overlap Discrete Wavelet Packet Transform with Sensitive Features Selection

Table 7

Bearing fault diagnosis results obtained by OFS-SNPEL-SVM.

Dimension size	MODWPT		WPT
	Case  1 testing accuracy (%)	Case  2 testing accuracy (%)	Case  1 testing accuracy (%)	Case  2 testing accuracy (%)
5	83.75	72.92	66.67	54.17
10	98.54	91.67	94.58	81.67
15	98.75	94.58	98.13	89.58
20	98.75	94.58	98.13	89.79
30	98.75	94.58	97.91	90.00