A comparative study of helicopter planetary bearing diagnosis with vibration and acoustic emission data

Linghao Zhou, Fang Duan, David Mba, Elasha Faris

Research output: Chapter in Book/Report/Conference proceedingChapter

6 Citations (Scopus)

Abstract

© 2017 IEEE. Planetary bearings inside a helicopter main gearbox (MGB) are key components, successful diagnosis of planetary bearing defects benefits helicopter maintenance, reducing accidents rate and increasing aircraft flightworthiness. Most widely adopted methods for bearing fault diagnosis are envelope analysis and kurtogram; both have achieved many successes in practical application. However, diagnosis of faulty planetary bearing inside a MGB can be more complicated for reasons such as extremely strong operating noise, overwhelming gear meshes and so on. In this paper, acoustic emission (AE) data was recorded in comparison with traditional vibration data from test rig built using commercial helicopter gearbox with seeded defects, diagnosis of vibration data and AE data is performed using kurtogram and envelope analysis, results showed that AE signals are more sensitive to excitations from defects and suffer less from background noises.
Original languageEnglish
Title of host publication2017 IEEE International Conference on Prognostics and Health Management, ICPHM 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages246-251
Number of pages6
ISBN (Print)9781509057108
DOIs
Publication statusPublished - 31 Jul 2017
Event2017 IEEE International Conference on Prognostics and Health Management - Dallas, United States
Duration: 19 Jun 201721 Dec 2017

Publication series

Name2017 IEEE International Conference on Prognostics and Health Management, ICPHM 2017

Conference

Conference2017 IEEE International Conference on Prognostics and Health Management
Abbreviated titleICPHM
CountryUnited States
CityDallas
Period19/06/1721/12/17

Keywords

  • acoustic emission signal
  • envelope analysis
  • helicopter main gearbox
  • kurtogram
  • planetary bearing diangosis

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  • Cite this

    Zhou, L., Duan, F., Mba, D., & Faris, E. (2017). A comparative study of helicopter planetary bearing diagnosis with vibration and acoustic emission data. In 2017 IEEE International Conference on Prognostics and Health Management, ICPHM 2017 (pp. 246-251). (2017 IEEE International Conference on Prognostics and Health Management, ICPHM 2017). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICPHM.2017.7998336