A Deep Transfer Learning Method for Bearing Fault Diagnosis Based on Domain Separation and Adversarial Learning

Table 6

Comparison of different methods.

Method	Type	Feature extraction	Transfer method
SVM	Traditional machine learning	Manual extraction	None
WDCNN	Regular CNN	Automatic extraction	None
DRCN		Automatic extraction	Reconstruction
DDC		Automatic extraction	Maximum mean difference
DANN	Transfer learning	Automatic extraction	Domain-adversarial
DSRAN		Automatic extraction	Domain separation and adversarial learning