Bearing Fault Diagnosis Using a Novel Classifier Ensemble Based on Lifting Wavelet Packet Transforms and Sample Entropy

Table 1

Experimental data condition.

Bearing condition	Defect size (mm)	Number of samples	Condition number
Normal	0	60	C1
Inner race fault	0.1778 × 0.2797	60	C2
	0.3556 × 0.2797	60	C3
	0.5334 × 0.2797	60	C4
Outer race fault	0.1778 × 0.2797	60	C5
	0.3556 × 0.2797	60	C6
	0.5334 × 0.2797	60	C7
Rolling ball fault	0.1778 × 0.2797	60	C8
	0.3556 × 0.2797	60	C9
	0.5334 × 0.2797	60	C10