Research Article
Rolling Bearing Fault Diagnosis Based on Domain Adaptation and Preferred Feature Selection under Variable Working Conditions
Table 11
The testing accuracies of RFS-PSFFC-TCA-SVM and RFS-PSFFC-TCA-KNN (the dimension size is 20).
| sfn | RFS-PSFFC-TCA-SVM | RFS-PSFFC-TCA-KNN | Case 1 testing accuracy (%) | Case 2 testing accuracy (%) | Case 1 testing accuracy (%) | Case 2 testing accuracy (%) |
| 20 | 99.38 | 94.38 | 100.00 | 95.25 | 30 | 99.17 | 97.29 | 99.79 | 98.79 | 40 | 99.58 | 97.50 | 100.00 | 98.79 | 50 | 91.46 | 91.67 | 99.38 | 94.83 | 60 | 92.92 | 91.46 | 99.38 | 85.67 | 70 | 96.88 | 95.21 | 98.75 | 96.29 | 80 | 92.92 | 91.67 | 99.38 | 98.79 | 90 | 91.25 | 84.38 | 98.33 | 96.92 | 100 | 92.92 | 84.58 | 98.54 | 94.00 | 110 | 92.71 | 85.42 | 99.38 | 94.63 | 120 | 93.13 | 87.50 | 99.17 | 96.08 | 130 | 92.29 | 84.58 | 99.58 | 92.13 | 140 | 93.54 | 87.92 | 99.58 | 95.67 | 150 | 94.17 | 87.71 | 99.17 | 94.42 | 160 | 94.17 | 88.54 | 98.33 | 96.08 | 170 | 94.38 | 90.63 | 98.96 | 96.50 | 180 | 93.96 | 90.42 | 98.96 | 96.50 | 190 | 92.29 | 86.46 | 97.92 | 94.42 |
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