Research Article
Intelligent Fault Diagnosis of Bearing Based on Convolutional Neural Network and Bidirectional Long Short-Term Memory
Table 6
uOttawa experimental sample.
| Bearing condition | Variable speed condition | Data length | No. of samples | Class (label) |
| Healthy state | (i), (ii), (iii), and (iv) | 2000 | 4000 | 0 | Ball fault | (i), (ii), (iii), and (iv) | 2000 | 4000 | 1 | Inner race fault | (i), (ii), (iii), and (iv) | 2000 | 4000 | 2 | Outer race fault | (i), (ii), (iii), and (iv) | 2000 | 4000 | 3 | Comprehensive fault | (i), (ii), (iii), and (iv) | 2000 | 4000 | 4 |
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