Research Article

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

Table 4

Comparison of models for various input conditions.

InputModelBest accuracy (%)Time (s)

Time domain signalsDBN85.65427
Time domain features of vibration signalsDBN82.1321
Time domain features of all signalsDBN92.5403
Time domain signalsGA-DBN87.35803
Time domain features of vibration signalsGA-DBN85.0357
Time domain features of all signalsGA-DBN98.3431