Research Article
Casing Vibration Fault Diagnosis Based on Variational Mode Decomposition, Local Linear Embedding, and Support Vector Machine
Table 5
Classification results with different DR methods.
| | DR method | | No DR | PCA | LLE | Isomap | Landmark Isomap | Laplacian Eigenmaps | LPP | NPE |
| | Amp + Freq + VMD | 1-v-r | 96.4% | 95.6% | 98.3% | 76.1% | 80.7% | 82.8% | 40.8% | 97.3% | | H-SVMs | 94.8% | 94.5% | 97.4% | 66.7% | 76.7% | 81.0% | 35.5% | 95.7% | | Amp + Freq + VMD + Omega | 1-v-r | 97.1% | 95.6% | 98.2% | 76.1% | 80.0% | 82.7% | 37.5% | 97.4% | | H-SVMs | 96.3% | 94.5% | 97.1% | 66.6% | 75.2% | 81.4% | 33.4% | 95.5% |
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