An Integrated Fault Diagnosis Method for Rotating Machinery Based on Improved Multivariate Multiscale Amplitude-Aware Permutation Entropy and Uniform Phase Empirical Mode Decomposition

Table 3

The brief information of the bearings’ ten working conditions data.

Fault location	Fault diameter (mm)	Fault severity	Abbreviation
Normal	—	—	Norm
Inner race	0.1778	Minor	IRF1
	0.3556	Medium	IRF2
	0.5334	Severe	IRF3
Outer race	0.1778	Minor	ORF1
	0.3556	Medium	ORF2
	0.5334	Severe	ORF3
Ball	0.1778	Minor	BF1
	0.3556	Medium	BF2
	0.5334	Severe	BF3