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A Novel Fusion Approach of Deep Convolution Neural Network with Auto-encoder and Its Application in Planetary Gearbox Fault Diagnosis by Fafa Chen; Lili Liu; Baoping Tang; Baojia Chen; Wenrong Xiao; Fajun Zhang is a Engineering article available to read on EtoBox.

What is A Novel Fusion Approach of Deep Convolution Neural Network with Auto-encoder and Its Application in Planetary Gearbox Fault Diagnosis about?

The fault features of gearbox are often influenced and interwoven with each other under the non-stationary condition. The traditional shallow intelligent diagnosis models are difficult to detect and identify gearbox faults with selected features according to prior knowledge. To solve this problem, a novel deep convolutional auto-encoding neural network is designed based on the fusion of the convolutional neural network with the automatic encoder in this research. The vibration signals of gearbox are transformed into Hilbert envelope spectrum by using Hilbert transform and Fourier transform, and the different characteristics of spectral spatial data are automatically learned by convolutional auto-encoding neural network with multiple convolution kernels. The parameters of the convolutional neural network are fine-tuned through a fully connected neural network with a small number of labeled samples. Through the analysis for gearbox fault experiments, the effectiveness and practicability of the proposed method in equipment fault diagnosis are verified. The deep convolutional neural network embedded in the auto-encoder has stronger learning ability, and the diagnosis performance is mor

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Author

Fafa Chen; Lili Liu; Baoping Tang; Baojia Chen; Wenrong Xiao; Fajun Zhang

Publisher

SAGE Publications; SAGE Publications Inc. (ISSN 1748-006X)

Published

2020

Language

EN

Field

Engineering (Physical Sciences)