Bearing Fault Diagnosis Based on Collaborative Representation Using Projection Dictionary Pair

Table 3

Recognition rates obtained by different classification methods on real signals.

Method	Feature dimension	Acc (%)			Average Acc (%)
		DE (12 kHz)	DE (48 kHz)	FE (12 kHz)
SVM	300	97.6	96.7	95.4	96.6
BPNN	300	90.8	91.0	93.1	91.6
KNN	300	95.4	94.7	95.6	95.2
DT	300	80.5	82.7	82.1	81.7
Ours	300	100.0	100.0	100.0	100.0