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

Table 7

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

Dimension size	RFS-TCA-SVM		RFS-TCA-KNN
	Case 1 testing accuracy (%)	Case 2 testing accuracy (%)	Case 1 testing accuracy (%)	Case 2 testing accuracy (%)
5	82.29	75.21	93.13	80.04
10	89.58	82.50	96.88	90.46
15	91.46	87.29	97.92	93.79
20	91.67	87.29	97.92	93.58
25	91.67	87.08	97.92	93.58
30	91.67	87.08	97.92	93.38