A Parameter-Optimized DBN Using GOA and Its Application in Fault Diagnosis of Gearbox

<div>Visual scatter diagram of feature extraction. (a) The proposed method. (b) DBN set by experience. (c) Shallow probability network. (d) Traditional feature extraction method.</div>

Shock and Vibration

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Figure 9

Figure 9: A Parameter-Optimized DBN Using GOA and Its Application in Fault Diagnosis of Gearbox 