Bearing Fault Diagnosis using Deep Belief Networks
Xiang Ping Xiao
Tian Ran Lin
Rolling element bearing, Fault diagnosis, Genetic algorithm, Deep belief network
This paper presents an experimental study on bearing fault diagnosis using a Deep Belief Network and the Genetic Algorithm for parameter optimization. A bearing test-rig is proposedly built to simulate various bearing operation conditions in the study, namely, Healthy, Inner Race fault, Ball fault and Outer Race fault. The diagnosis technique is then employed to analyse the experimental data acquired from the bearing test-rig and to recognize the bearing operation conditions based on the fault patterns detected by the algorithm. It is shown that the diagnosis technique proposed in this study can successfully discriminate the four bearing fault conditions with rather high accuracy and a good computational efficiency.
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