A New Intelligent Fault Diagnosis Method of Rotating Machinery under Varying-Speed Conditions Using Infrared Thermography

Figure 5

Thermal images acquisition from Camera 2 under different health conditions: (a) ball fault. (b) Ball fault and unbalance fault. (c) Combination bearing fault. (d) Combination bearing fault and unbalance fault. (e) Inner race fault. (f) Inner race fault and unbalance fault. (g) Normal condition. (h) Unbalance fault. (i) Outer race fault. (j) Outer race fault and unbalance fault (Figure 5 is reproduced from the study by Li et al. (2018), under the Creative Commons Attribution License/public domain).

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