Feature Extraction Based on Adaptive Multiwavelets and LTSA for Rotating Machinery Fault Diagnosis

Table 5

Fault discrimination rate for rotating machinery platform experiment.

Method	Normal (%)	Unbalance (%)	Misalignment (%)	Rotor-to-stator rub (%)	Total (%)
AMWT + LTSA	100	100	100	100	100
GHM + LTSA	100	100	60	5	66.25
Db4 + LTSA	55	5	45	95	50
AMWT + PCA	100	100	100	65	91.25
AMWT + MDS	100	100	100	85	96.25