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

Table 1

The detailed conditions of each part corresponding to the 8 working conditions of the gearbox.

Part names		Working condition
		Spur 1	Spur 2	Spur 3	Spur 4	Spur 5	Spur 6	Spur 7	Spur 8
Gears	32T	Good	Chipped	Good	Good	Chipped	Good	Good	Good
	96T	Good	Good	Good	Good	Good	Good	Good	Good
	48T	Good	Eccentric	Eccentric	Eccentric	Eccentric	Good	Good	Good
	80T	Good	Good	Good	Broken	Broken	Broken	Good	Good
Bearings	IS:IS	Good	Good	Good	Ball fault	Inner ring fault	Inner ring fault	Inner ring fault	Good
	ID:IS	Good	Good	Good	Good	Ball fault	Ball fault	Good	Ball fault
	OS:IS	Good	Good	Good	Good	Outer ring fault	Outer ring fault	Good	Outer ring fault
	IS:OS	Good	Good	Good	Good	Good	Good	Good	Good
	ID:OS	Good	Good	Good	Good	Good	Good	Good	Good
	OS:OS	Good	Good	Good	Good	Good	Good	Good	Good
Shafts	Input	Good	Good	Good	Good	Good	Imbalance	Good	Imbalance
	Output	Good	Good	Good	Good	Good	Good	Keyway sheared	Good