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Application of order-Tracking holospectrum to cracked rotor fault diagnostics under nonstationary conditions

  • University of Electronic Science and Technology of China

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

13 Scopus citations

Abstract

Holospectrum is a technique to fuse two perpendicular vibrations and offer a complete description of rotor rotating states which is intractable by using traditional one direction vibration. The method is based upon accurate Frequency spectrum, therefore it still suffers from non-stationary nature of vibration data, such as rotor speed up or coast down. For this reason, this paper explores order tracking Holospectrum and extracts parameters of angle of the long axis γ and eccentricity e of order tracking Holospectrum ellipse for diagnostic purposes. The experimental results show that these two parameters are effective to rotor crack detection.

Original languageEnglish
Title of host publicationProceedings of 2016 Prognostics and System Health Management Conference, PHM-Chengdu 2016
EditorsQiang Miao, Zhaojun Li, Ming J. Zuo, Liudong Xing, Zhigang Tian
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509027781
DOIs
StatePublished - 16 Jan 2017
Externally publishedYes
Event7th IEEE Prognostics and System Health Management Conference, PHM-Chengdu 2016 - Chengdu, Sichuan, China
Duration: 19 Oct 2016 → 21 Oct 2016

Publication series

NameProceedings of 2016 Prognostics and System Health Management Conference, PHM-Chengdu 2016

Conference

Conference7th IEEE Prognostics and System Health Management Conference, PHM-Chengdu 2016
Country/TerritoryChina
CityChengdu, Sichuan
Period19/10/16 → 21/10/16

Keywords

  • Cracked rotor
  • Fault diagnosis
  • Holospectrum
  • Non-stationary
  • Oder-Tracking

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