Fault Diagnosis of Rolling Bearing Based on Modified Deep Metric Learning Method

Table 1

Description of bearings dataset.

Fault number	Fault condition type	Depth of fault (mm)	Training samples	Test samples
1	Normal	0	490	210
2	Mild inner race	0.18	490	210
3	Moderate inner race	0.36	490	210
4	Severe inner race	0.54	490	210
5	Mild ball	0.18	490	210
6	Moderate ball	0.36	490	210
7	Severe ball	0.54	490	210
8	Mild outer race	0.18	490	210
9	Moderate outer race	0.36	490	210
10	Severe outer race	0.54	490	210