Research Article
Deep Learning Enabled Fault Diagnosis Using Time-Frequency Image Analysis of Rolling Element Bearings
Table 24
Specificity for CWR data set.
| Model | Proposed CNN architecture | Architecture 1 | Architecture 2 |
| Scalogram 32 × 32 | 99.6% | 99.7% | 97.4% | Scalogram 96 × 96 | 99.8% | 99.9% | 98.7% | Spectrogram 32 × 32 | 99.3% | 99.4% | 98.6% | Spectrogram 96 × 96 | 99.8% | 99.9% | 98.7% | HHT 32 × 32 | 94.2% | 94.7% | 90.1% | HHT 96 × 96 | 99.0% | 99.0% | 93.4% |
|
|