Improvement of Roller Bearing Diagnosis with Unlabeled Data Using Cut Edge Weight Confidence Based Tritraining

Table 8

Comparative diagnosis results of SVM and BPNN in Case 1.

Classifier	Unlabeling rate of 0.8			Unlabeling rate of 0.6			Unlabeling rate of 0.4			Unlabeling rate of 0.2
	Initial	Final	Improvement	Initial	Final	Improvement	Initial	Final	Improvement	Initial	Final	Improvement
BPNN	0.1670	0.1367	18.14%	0.0790	0.0757	4.18%	0.0613	0.0600	2.12%	0.0500	0.0487	2.60%
SVM	0.3001	0.2617	12.80%	0.1697	0.1652	2.65%	0.1267	0.1250	1.34%	0.0833	0.0783	6.00%