A Fault Diagnosis Method of Rolling Mill Bearing at Low Frequency and Overload Condition Based on Integration of EEMD and GA-DBN

Table 1

The layer structure parameters of the DBN.

Layer	Number of neurons	Learning rate
Input	127	0.01
First hidden layer	127	0.01
Second hidden layer	10	0.01
Third hidden layer	10	0.01
Output	1	0.01