Research Article

Rolling Bearing Fault Diagnostic Method Based on VMD-AR Model and Random Forest Classifier

Table 3

Classification results for fault severity level problem using VMD-AR model and RF classifier.

Number of modesNumber of training samplesNumber of testing samplesClassification accuracy (%)Total accuracy (%)
Normal0.18 mm0.36 mm0.53 mm

48032010097.6398.3891.2596.81
16024010099.6798.8395.8398.58
24016010099.598.59698.5
320801009998.59798.63

58032010099.639798.2598.72
16024010010099.1799.8399.75
2401601001009999.599.63
32080100100100100100

68032010010099.598.1399.41
16024010010010098.6799.67
2401601001001009999.75
3208010010099.597.599.25

78032010010095.7594.2597.5
16024010010096.1797.3398.38
24016010099.2596.597.7598.38
3208010010097.510099.38