Cited by 233Machine Fault Diagnosis TechniquesFault Detection and Control SystemsElectrical Fault Detection and Protection

A novel fault diagnosis method for rotating machinery based on a convolutional neural network

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Guo, Sheng, Yang, Tao, Gao, Wei, Zhang, Chen·2018·Sensors

Abstract

Fault diagnosis is critical to ensure the safety and reliable operation of rotating machinery. Most methods used in fault diagnosis of rotating machinery extract a few feature values from vibration signals for fault diagnosis, which is a dimensionality reduction from the original signal and may omit some important fault messages in the original signal. Thus, a novel diagnosis method is proposed involving the use of a convolutional neural network (CNN) to directly classify the continuous wavelet transform scalogram (CWTS), which is a time-frequency domain transform of the original signal and can contain most of the information of the vibration signals. In this method, CWTS is formed by discomposing vibration signals of rotating machinery in different scales using wavelet transform. Then the CNN is trained to diagnose faults, with CWTS as the input. A series of experiments is conducted on the rotor experiment platform using this method. The results indicate that the proposed method can diagnose the faults accurately. To verify the universality of this method, the trained CNN was also used to perform fault diagnosis for another piece of rotor equipment, and a good result was achieved.

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  • Signal processing methods are employed to preprocess 1D data to convert to time-frequency domain so CNN can handle 2D time-frequency spectrum.

    “First, the signal processing methods, such as the wavelet packet [369][370][371], the continue wavelet transform [372,373], the dual-tree complex wavelet transform [374,375], and the synchrosqueezing transform [376], are employed to preprocess the input 1D data, which are expected to convert the signals from the time domain to the time-frequency domain.”

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  1. [27]Goodfellow I. Bengio Y. Courville A. Deep Learning MIT Press Cambridge, MA, USA 2016

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Authors
Guo, S., Yang, T., Gao, W., & Zhang, C.
Affiliations
Huazhong University of Science and Technology (CN)
Corresponding author
Yang, Tao
Venue
Sensors
Publisher
MDPI AG
Published
2018-05-04
Volume
18
Issue
5
Pages
1429
ISSN
1424-8220 (ISSN-L)
OpenAlex
W2801457104
Cited by
233
References
29
Citations by year
2026: 16 · 2025: 17 · 2024: 20 · 2023: 34 · 2022: 30 · 2021: 45 · 2020: 36 · 2019: 30 · 2018: 5
FWCI
17.95
Type
journal article
Language
en
Open access
Locations
  • Sensors (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Chinese National Science and Technology Support Program (2015BAA06B02)
Topics
  • Physical Sciences › Engineering › Control and Systems Engineering › Machine Fault Diagnosis Techniques
  • Physical Sciences › Engineering › Control and Systems Engineering › Fault Detection and Control Systems
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electrical Fault Detection and Protection
Keywords
fault diagnosis, rotating machinery, convolutional neural networks, vibration signals, rotor fault diagnosis, time-frequency analysis, feature extraction

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