A Simultaneous Fault Diagnosis Method Based on Cohesion Evaluation and Improved BP-MLL for Rotating Machinery

Table 4

Samples and labels.

Fault category	Number of training samples	Number of testing samples	Category code
Normal	48	10	00000
Ball bearing + missing tooth	48	10	10010
Outer bearing + missing tooth	48	10	00110
Outer bearing + chipped tooth	48	10	00101
Inner bearing + chipped tooth	48	10	01001