Table 4.
Diagnosis performances achieved by compared methods in a fault diagnosis task.
| Index | Index | Methods in Fault Diagnosis | |||||||
|---|---|---|---|---|---|---|---|---|---|
| LDA + ANN | LDA + SVM | PCA + ANN | PCA + SVM | Isomap + SVM | Laplacian + ANN | LSTM | Proposed Method | ||
| 1 | Ps1-Lc1 | 92.5 | 93.1 | 90.5 | 91.3 | 98.0 | 93.0 | 95.0 | 95.3 |
| 2 | Ps1-Lc2 | 88.6 | 81.9 | 76.7 | 77.8 | 86.3 | 85.6 | 85.1 | 86.3 |
| 3 | Ps2-Lc1 | 91.3 | 91.1 | 88.1 | 89.3 | 84.6 | 86.0 | 89.2 | 92.3 |
| 4 | Ps2-Lc2 | 88.5 | 85.9 | 90.5 | 89.6 | 87.9 | 85.0 | 93.2 | 99.0 |
| 5 | 2Ps-Lc1 | 83.5 | 86.0 | 81.2 | 82.6 | 78.6 | 75.6 | 90.5 | 93.5 |
| 6 | 2Ps-Lc2 | 76.5 | 84.3 | 77.0 | 81.1 | 79.6 | 78.3 | 92.0 | 92.6 |
| 7 | Ps1-2Lc | 85.5 | 85.0 | 80.3 | 82.6 | 78.5 | 79.6 | 90.0 | 92.8 |
| 8 | Ps2-2Lc | 88.4 | 89.8 | 81.5 | 816 | 77.5 | 78.9 | 88.0 | 91.2 |
| 9 | 2Ps-2Lc | 75.7 | 79.3 | 71.0 | 73.1 | 77.0 | 71.5 | 80.1 | 85.3 |
| Average | 85.61 | 86.26 | 81.86 | 83.18 | 83.11 | 81.50 | 88.63 | 92.03 | |