Fault Diagnosis of Bearings with Adjusted Vibration Spectrum Images

Table 6

The classification accuracy for ball fault severity detection.

Dataset	n	Testing accuracy (%)
		Load 0	Load 1	Load 2	Load 3
E1	1	97.83	95.50	97.72	89.92
	3	100	99.28	98.65	96.58
	5	100	99.63	99.38	97.47
	10	100	100	99.58	98.20
E2	1	99.65	100	99.97	99.95
	3	100	100	100	100
	5	100	100	100	100
	10	100	100	100	100
E3	1	69.40	99.15	100	100
	3	74.25	99.70	100	100
	5	76.50	99.78	100	100
	10	76.83	100	100	100
E4	1	76.83	98.58	100	100
	3	74.40	98.88	100	100
	5	74.80	98.25	100	100
	10	74.97	97.33	100	100

n is the training samples per class under each of the specified load conditions.