Fault Diagnosis of Bearings with Adjusted Vibration Spectrum Images

Table 9

Comparisons for single-fault severity detection between current work and some published work.

Objective	Method in refs.	Training data	Testing data	Classification accuracy (%)
IF severity detection	SSL in [16]	Load 0 (40)	Load 0–3 (1560)	100
		Load 1 (40)	Load 0–3 (1560)	100
		Load 2 (40)	Load 0–3 (1560)	100
		Load 3 (40)	Load 0–3 (1560)	100
	Dataset D1 in present work	Load 0 (40)	Load 0–3 (760)	100
	Dataset D2 in present work	Load 1 (20)	Load 0–3 (780)	100
	Dataset D3 in present work	Load 2 (40)	Load 0–3 (760)	100
	Dataset D4 in present work	Load 3 (20)	Load 0–3 (780)	100
	SVMs and fractal dimension in [17]	Load 3 (472)	Load 3 (472)	100
	Dataset D4 in present work	Load 3 (12)	Load 3 (188)	100
BF severity detection	SSL in [16]	Load 0 (40)	Load 0–3 (1560)	85.26
		Load 1 (40)	Load 0–3 (1560)	96.19
		Load 2 (40)	Load 0–3 (1560)	96.59
		Load 3 (40)	Load 0–3 (1560)	79.49
	SVMs and fractal dimension in [17]	Load 3 (472)	Load 3 (472)	96.31
	Dataset E1 in present work	Load 0 (40)	Load 0–3 (760)	99.42
	Dataset E2 in present work	Load 1 (12)	Load 0–3 (788)	100
	Dataset E3 in present work	Load 2 (20)	Load 0–3 (780)	91.49
	Dataset E4 in present work	Load 3 (20)	Load 0–3 (780)	90.53
OF severity detection	SSL in [16]	Load 0 (40)	Load 0–3 (1560)	100
		Load 1 (40)	Load 0–3 (1560)	100
		Load 2 (40)	Load 0–3 (1560)	100
		Load 3 (40)	Load 0–3 (1560)	100
	SVMs and fractal dimension in [17]	Load 3 (472)	Load 3 (472)	99.89
	Dataset F1 in present work	Load 0 (12)	Load 0–3 (788)	100
	Dataset F2 in present work	Load 1 (12)	Load 0–3 (788)	100
	Dataset F3 in present work	Load 2 (12)	Load 0–3 (788)	100
	Dataset F4 in present work	Load 3 (12)	Load 0–3 (788)	100
	Dataset F4 in present work	Load 3 (12)	Load 3 (188)	100

The classification accuracy is determined by no. of successfully classified samples/No. of total testing samples 100% under specified load condition.