A New Demodulation Method for Mechanical Fault Feature Extraction based on LOD and IEE

A New Demodulation Method for Mechanical Fault Feature Extraction based on LOD and IEE

The rolling bearing and gear fault features are generally shown as modulation characteristics of their vibration signals. The empirical envelope (EE) method is an accordingly common demodulation method. However, the EE method has the defects of over- and undershoot, which may lead to demodulation er...

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Bibliographic Details
Main Authors: Zhang Kang, Niu Xiaorui, Ma Yunjiao, Chen Xiangmin, Liao Lida, Wu Jiateng
Format: Article
Language:English
Published: Sciendo 2021-06-01
Series:Measurement Science Review
Subjects:
multi-component modulation signal
local oscillatory-characteristic decomposition
improved empirical envelope
mechanical vibration signal
demodulation analysis
fault feature extraction
Online Access:https://doi.org/10.2478/msr-2021-0010

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