Reliable Fault Diagnosis of Rotary Machine Bearings Using a Stacked Sparse Autoencoder-Based Deep Neural Network

Table 1

Description of the datasets used in the proposed scheme.

Health	Shaft speeds	Crack size	Sampling frequency	Sensor location
Normal	1796, 1772, 1748, 1722	0.007′′	12000 Hz	Drive end
Inner raceway fault
Outer raceway fault
Roller element fault