Fault Diagnosis of Variable Load Bearing Based on Quantum Chaotic Fruit Fly VMD and Variational RVM

Table 4

Experimental data under variable load conditions.

Training samples (1 hp)	Test samples (0 hp + 2 hp)	Pitting radius (mm)	Bearing state	Fault identifier
40	40	0	Normal	0
80	80	0.1778	Outer race	1
80	80	0.3556	Outer race	2
80	80	0.5334	Outer race	3
80	80	0.1778	Rolling element	4
80	80	0.3556	Rolling element	5
80	80	0.5334	Rolling element	6
80	80	0.1778	Inner race	7
80	80	0.3556	Inner race	8
80	80	0.5334	Inner race	9