A Novel Method for Extracting Maximum Kurtosis Component and Its Applications in Rolling Bearing Fault Diagnosis
Joint Authors
Xu, Yonggang
Fan, Zeyu
Zhang, Kun
Ma, Chaoyong
Source
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-17, 17 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-08-25
Country of Publication
Egypt
No. of Pages
17
Main Subjects
Abstract EN
Rolling bearing plays an important role in the overall operation of the mechanical system; therefore, it is necessary to monitor and diagnose the bearings.
Kurtosis is an important index to measure impulses.
Fast Kurtogram method can be applied to the fault diagnosis of rolling bearings by extracting maximum kurtosis component.
However, the final result may disperse the effective fault information to different frequency bands or find wrong frequency band, resulting in inaccurate frequency band selection or misdiagnosis.
In order to find the maximum component of kurtosis accurately, an algorithm of frequency band multidivisional and overlapped based on EWT (MDO-EWT) is proposed in this paper.
This algorithm changes the traditional Fast Kurtogram frequency bands division method and filtering method.
It builds the EWT boundaries based on the maximum kurtosis component in each iteration and finally obtains the maximum kurtosis component.
Through the simulation signal and the rolling bearing inner and outer ring fault signals verification, it is proved that the proposed method has a good performance on accuracy and effectiveness.
American Psychological Association (APA)
Xu, Yonggang& Fan, Zeyu& Zhang, Kun& Ma, Chaoyong. 2019. A Novel Method for Extracting Maximum Kurtosis Component and Its Applications in Rolling Bearing Fault Diagnosis. Shock and Vibration،Vol. 2019, no. 2019, pp.1-17.
https://search.emarefa.net/detail/BIM-1211586
Modern Language Association (MLA)
Xu, Yonggang…[et al.]. A Novel Method for Extracting Maximum Kurtosis Component and Its Applications in Rolling Bearing Fault Diagnosis. Shock and Vibration No. 2019 (2019), pp.1-17.
https://search.emarefa.net/detail/BIM-1211586
American Medical Association (AMA)
Xu, Yonggang& Fan, Zeyu& Zhang, Kun& Ma, Chaoyong. A Novel Method for Extracting Maximum Kurtosis Component and Its Applications in Rolling Bearing Fault Diagnosis. Shock and Vibration. 2019. Vol. 2019, no. 2019, pp.1-17.
https://search.emarefa.net/detail/BIM-1211586
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1211586