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Fault Prediction for Rotating Bearing United Genetic Algorithm Optimize Variational Mode Decomposition and Support Vector Machine

  • School of Electrical Engineering and Automation, Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The vibration signal of rotating bearing is continuous and non-stationary. The fault information contained in the signal can not be reflected directly due to the excessive noise background of the operating environment. Based on the above characteristic and shortcomings, a new fault prediction method is proposed in this paper. Firstly, aiming at the disadvantage of modal aliasing caused by improper parameter selection of variational mode decomposition(VMD) algorithm, a parameter optimization model based on genetic algorithm(GA) is established to search the best combination of parameters globally. Due to the small dataset of early rotating bearing failures, the support vector machine (SVM) method based on parameter optimization is used for fault prediction, and its prediction accuracy is as high as 90%, which provides a new idea for rotating bearing fault prediction.

Original languageEnglish
Title of host publicationProceedings - 2021 3rd International Conference on System Reliability and Safety Engineering, SRSE 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages50-55
Number of pages6
ISBN (Electronic)9781665401609
DOIs
StatePublished - 2021
Externally publishedYes
Event3rd International Conference on System Reliability and Safety Engineering, SRSE 2021 - Harbin, China
Duration: 26 Nov 202128 Nov 2021

Publication series

NameProceedings - 2021 3rd International Conference on System Reliability and Safety Engineering, SRSE 2021

Conference

Conference3rd International Conference on System Reliability and Safety Engineering, SRSE 2021
Country/TerritoryChina
CityHarbin
Period26/11/2128/11/21

Keywords

  • Genetic Agorithm (GA)
  • Prognostics
  • Signal processing
  • Support Vector Machine (SVM)
  • variational modal decomposition (VMD)

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