Convolutional Neural Networks for Fault Diagnosis Using Rotating Speed Normalized Vibration

  • Dongdong Wei
  • KeSheng WangEmail author
  • Stephan Heyns
  • Ming J. Zuo
Conference paper
Part of the Applied Condition Monitoring book series (ACM, volume 15)


Fault diagnosis is vital for the health management of rotating machinery. The non-stationary working conditions is one of the major challenges in this field. The key is to extract working-condition-invariant but fault-discriminative features. Traditional methods use expert knowledge on the machines and signal processing to extract fault features from vibration signals manually. This paper regards this issue as a domain adaption problem and utilizes deep learning technique to learn fault discriminative features automatically. We teach deep Convolutional Neural Networks to pronounce diagnostic results from raw vibration data and propose a Rotating Speed Normalization method to improve the domain adaption ability of the neural network models. A case study of rotor crack diagnosis under non-stationary and ever-changing rotating speeds is presented. Using 95600 signal segments, we compare the diagnostic performance of ours and reported Convolutional Neural Network models. The results show that our model gives solid diagnostic accuracy from non-stationary vibration signals, and the proposed Rotating Speed Normalization method can successfully boost the performance of all investigated CNN models.


Fault diagnosis Rotating machine Deep learning Domain adaption Convolutional Neural Networks 



This research is supported by National Natural Science Foundation of China (51305067), National Key Research and Development Program of China (2017YF- C0108401, 2016YFB1200401), Natural Sciences and Engineering Research Council of Canada (Grant #RGPIN-2015-04897), and Future Energy Systems research under Canada First Research Excellent Fund (CFREF) (FES-T14-P02). The authors would also like to acknowledge the help of Mr. Peng Chen and Mr. Mian Zhang.


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Dongdong Wei
    • 1
  • KeSheng Wang
    • 1
    Email author
  • Stephan Heyns
    • 2
  • Ming J. Zuo
    • 3
  1. 1.Equipment Reliability, Prognostics and Health Management Lab, School of Mechanical and Electrical EngineeringUniversity of Electronic Science and Technology of ChinaChengduChina
  2. 2.Centre for Asset Integrity Management, Department of Mechanical and Aeronautical EngineeringUniversity of PretoriaPretoriaSouth Africa
  3. 3.Department of Mechanical EngineeringUniversity of AlbertaEdmontonCanada

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