| Fault feature | Fault feature parameters | Generalized trapezoidal fuzzy numbers |
| Rotor unbalance | 1 | (0.1563, 0.1575, 0.1664, 0.1745; 1) | 2 | (0.1359, 0.1436, 0.1528, 0.1552; 1) | 3 | (0.1026, 0.1085, 0.1163, 0.1189; 1) | Displacement | (4.2884, 4.3031, 4.3880, 4.4764; 1) |
| Rotor misalignment | 1 | (0.1683, 0.1749, 0.1886, 0.1899; 1) | 2 | (0.3118, 0.3211, 0.3375, 0.3432; 1) | 3 | (0.2148, 0.2246, 0.2595, 0.2795; 1) | Displacement | (4.4692, 4.5112, 4.8793, 5.0630; 1) |
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