Research Article
Fault Identification of Rotor System Based on Classifying Time-Frequency Image Feature Tensor
Figure 2
AOK time-frequency spectrogram for each sample vibration.
(a) Normal state |
(b) Resonance at first critical frequency |
(c) Oil whirl |
(d) Oil whip |
(e) Unbalance |
(f) Resonance with unbalance |
(g) Oil whirl with unbalance |
(h) Oil whip with unbalance |