Research Article

Machine Learning-Based Fault Diagnosis of Self-Aligning Bearings for Rotating Machinery Using Infrared Thermography

Table 6

Confusion matrix of three bearing states at different rpm using LDA.

DecisionPredicted class
500 rpm750 rpm1000 rpm
HBIRFORFHBIRFORFHBIRFORF

True class

No load
 HB600600600
 IRF060060150
 ORF015015015

2 kg load
 HB600600600
 IRF150150042
 ORF015015015

4 kg load
 HB600600600
 IRF150042060
 ORF015015033