Shock and Vibration

Research Article

Optimal Statistical Feature Subset Selection for Bearing Fault Detection and Severity Estimation

Table 8

Feature subset selection results for dataset B.
TechniqueSet of features selected
Best firstT2, T9, T17, T18, T19, T22, T27, T30
Greedy stepwiseT2, T9, T17, T18, T19, T22, T27, T30
Ant searchT2, T9, T17, T18, T19, T22, T27, T30
Bat searchT9, T17, T18, T22, T26, T27, T30
Bee searchT2, T17, T18, T21, T22, T27, T30
Cuckoo searchT9, T19, T18, T22, T26, T27, T29, T30
Elephant searchT2, T9, T17, T19, T22, T27, T30
Firefly searchT17, T18, T20, T21, T22, T26, T27
Flower searchT2, T15, T17, T18, T22, T27, T19
Rhinoceros searchT2, T3, T9, T19, T22, T27, T30
Wolf searchT9, T17, T18, T20, T22, T27, T30