Research Article
Discriminant Feature Distribution Analysis-Based Hybrid Feature Selection for Online Bearing Fault Diagnosis in Induction Motors
Table 3
Final optimal feature sets of the different datasets.
| Dataset | Optimal occurrence level | Classification accuracy | Best selected feature set |
| 1 | 8 | 98.63 | , | 2 | 1–10 | 98.10 | , , | 3 | 1 | 98.88 | , , , | 4 | 2–4 | 99.15 | , , | 5 | 1 | 99.93 | , , , | 6 | 1–5 | 100 | , , | 7 | 5–7 | 100 | , | 8 | 10 | 100 | , , | 9 | 10 | 100 | , | 10 | 10 | 100 | , |
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