Rolling Bearing Fault Diagnosis Based on Domain Adaptation and Preferred Feature Selection under Variable Working Conditions

Table 6

Testing accuracies of RFS-LFDA-SVM and RFS-LFDA-KNN.

Dimension size	RFS-LFDA-SVM		RFS-LFDA-KNN
	Case 1 testing accuracy (%)	Case 2 testing accuracy (%)	Case 1 testing accuracy (%)	Case 2 testing accuracy (%)
5	98.75	81.67	91.88	51.67
7	99.58	86.46	94.17	58.33
9	99.58	86.67	94.79	59.17
11	99.79	87.08	94.79	58.96