Research Article
Planetary Gearbox Fault Diagnosis via Torsional Vibration Signal Analysis in Resonance Region
Table 2
Characteristic frequencies (Hz).
| Meshing frequency | Rotating frequency | Fault frequency | Sun | Planet carrier | Planet | Sun | Ring |
| 11.97 | 0.7778 | 0.1478 | 0.3861 | 0.7722 | 2.52 | 0.5912 |
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