Bearing Fault Diagnosis Based on Multilayer Domain Adaptation

Table 4

Experimental results of different parameter settings.

Transfer task	MLDA-1 (%)	MLDA-4 (%)	MLDA-SK (%)	MLDA (%)
0-1	90.79	95.21	92.76	99.52
0-2	84.07	80.21	84.00	99.24
0-3	74.32	86.99	85.63	97.52
1-0	94.07	96.96	94.50	99.81
1-2	91.64	95.57	94.91	99.60
1-3	87.93	92.53	91.34	99.40
2-0	80.98	89.87	84.23	99.65
2-1	88.31	98.07	94.06	99.63
2-3	94.85	98.32	86.64	98.89
3-0	64.19	76.63	75.33	98.65
3-1	82.49	83.03	89.58	98.68
3-2	79.70	94.85	88.03	99.07