Rolling Bearing Fault Diagnosis Based on Sensitive Feature Transfer Learning and Local Maximum Margin Criterion under Variable Working Condition

Table 8

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

Dimension size	DTCWPT				WPT
	Case 1 testing accuracy (%)	Case 2 testing accuracy (%)	Case 3 testing accuracy (%)	Case 4 testing accuracy (%)	Case 1 testing accuracy (%)	Case 2 testing accuracy (%)	Case 3 testing accuracy (%)	Case 4 testing accuracy (%)
5	98.75	81.67	94.79	72.71	81.46	54.79	86.88	52.08
7	99.58	86.45	95.83	73.33	82.71	55.42	92.08	53.75
9	99.58	86.67	96.46	73.54	82.92	56.25	92.92	53.75
11	99.79	86.88	96.46	73.54	83.13	56.25	92.92	53.75