A method for tachometer-free and resampling-free bearing fault diagnostics under time-varying speed conditions

Volume: 134, Pages: 101 - 117
Published: Feb 1, 2019
Abstract
Bearings often operate under time-varying rotational speed conditions. Processing the signal in the time-frequency domain and extracting the Instantaneous Fault Characteristic Frequency (IFCF) and the Instantaneous Shaft Rotational Frequency (ISRF) are important approaches for bearing fault diagnosis under time-varying speed conditions without signal resampling and without using a tachometer. However, there are two problems: (1) the collected...
Paper Details
Title
A method for tachometer-free and resampling-free bearing fault diagnostics under time-varying speed conditions
Published Date
Feb 1, 2019
Volume
134
Pages
101 - 117
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