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Fault Assessment of Hydraulic System Based on Gaussian Mixture Model

  • Zhaobing Wang
  • , Jian Tang
  • , Xin Jiang
  • , Yi Wang
  • , Jian Ma
  • , Yu Chen
  • Commercial Aircraft Corporation of China, Ltd.
  • Beihang University

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

Abstract

Based on the civil aircraft hydraulic system, the typical slow-change fault injection is carried out in hydraulic system MWorks model, and the fault state assessment technology based on Gaussian mixture model is studied. The results show that the health curve of the Gaussian mixture model can truly reflect the system pressure abnormal deviation process, and the health confidence value obtained by the inverse tangent function normalization is more sensitive to the early failure process of the fault, which can better support the predictive maintenance.

Original languageEnglish
Title of host publication2020 Global Reliability and Prognostics and Health Management, PHM-Shanghai 2020
EditorsWei Guo, Steven Li, Qiang Miao
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728159454
DOIs
StatePublished - 16 Oct 2020
Event2020 Global Reliability and Prognostics and Health Management, PHM-Shanghai 2020 - Shanghai, China
Duration: 16 Oct 202018 Oct 2020

Publication series

Name2020 Global Reliability and Prognostics and Health Management, PHM-Shanghai 2020

Conference

Conference2020 Global Reliability and Prognostics and Health Management, PHM-Shanghai 2020
Country/TerritoryChina
CityShanghai
Period16/10/2018/10/20

Keywords

  • fault assessment
  • gaussian mixture model
  • normalization

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