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Fault Diagnosis for Rotating Machinery Using Multiple Sensors and Convolutional Neural Networks

Research output: Contribution to journalJournal articlepeer-review

Published
  • Min Xia
  • Teng Li
  • Lin Xu
  • Lizhi Liu
  • Clarence W. De Silva
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<mark>Journal publication date</mark>1/02/2018
<mark>Journal</mark>IEEE/ASME Transactions on Mechatronics
Issue number1
Volume23
Number of pages10
Pages (from-to)101-110
Publication StatusPublished
Early online date17/07/17
<mark>Original language</mark>English

Abstract

This paper presents a convolutional neural network (CNN) based approach for fault diagnosis of rotating machinery. The proposed approach incorporates sensor fusion by taking advantage of the CNN structure to achieve higher and more robust diagnosis accuracy. Both temporal and spatial information of the raw data from multiple sensors is considered during the training process of the CNN. Representative features can be extracted automatically from the raw signals. It avoids manual feature extraction or selection, which relies heavily on prior knowledge of specific machinery and fault types. The effectiveness of the developed method is evaluated by using datasets from two types of typical rotating machinery, roller bearings, and gearboxes. Compared with traditional approaches using manual feature extraction, the results show the superior diagnosis performance of the proposed method. The present approach can be extended to fault diagnosis of other machinery with various types of sensors due to its end to end feature learning capability.