Rolling Bearing Fault Diagnosis Based on Stacked Autoencoder Network with Dynamic Learning Rate

Table 4

Training error of dynamic learning rate with different initial learning rates.

Initial learning rate	The number of iterations required to converge or reach the number of iterations	Training error value in convergence
0.3	313	0.1496
0.2	336	0.1504
0.1	456	0.1516
0.01	573	0.1531