A Novel Method for Bearing Fault Diagnosis under Variable Speed Based on Envelope Spectrum Fault Characteristic Frequency Band Identification

A Novel Method for Bearing Fault Diagnosis under Variable Speed Based on Envelope Spectrum Fault Characteristic Frequency Band Identification

Rolling element bearing (REB) vibration signals under variable speed (VS) have non-stationary characteristics. Order tracking (OT) and time-frequency analysis (TFA) are two widely used methods for REB fault diagnosis under VS. However, the effect of OT methods is affected by resampling errors and cl...

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Bibliographic Details
Main Authors: Jiao, J. (Author), Pei, D. (Author), Yue, J. (Author)
Format: Article
Language:English
Published: MDPI 2023
Subjects:
article
bearing fault diagnosis
Bearing fault diagnosis
calculation
Characteristic-frequency
controlled study
correlation coefficient
diagnosis
diagnosis time
diagnostic accuracy
diagnostic test accuracy study
Envelope spectra
Envelope spectrum analyse
envelope spectrum analysis
Failure analysis
fault characteristic frequency band
Fault characteristic frequency band
Fault characteristics
Fault detection
frequency analysis
human
Order tracking
Roller bearings
Spectra analysis
spectroscopy
Spectrum analysis
variable speed
Variable speed
velocity
vibration
Vibration
Vibration analysis
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