Use of spectral kurtosis for improving signal to noise ratio of acoustic emission signal from defective bearings

被引：30
|
作者：
Ruiz-Cárcel C. [1 ]
Hernani-Ros E. [1 ]
Cao Y. [1 ]
Mba D. [1 ]
机构：
[1] School of Engineering, Cranfield University, Building 52
来源：
Journal of Failure Analysis and Prevention | 2014年 / 14卷 / 03期
关键词：
Acoustic emission; Roller bearings; Signal to noise ratio; Spectral kurtosis;
D O I：
10.1007/s11668-014-9805-7
中图分类号：
学科分类号：
摘要：
The use of acoustic emission (AE) to monitor the condition of roller bearings in rotating machinery is growing in popularity. This investigation is centered on the application of spectral kurtosis (SK) as a denoising tool able to enhance the bearing fault features from an AE signal. This methodology was applied to AE signals acquired from an experimental investigation where different size defects were seeded on a roller bearing. The results suggest that the signal to noise ratio can be significantly improved using SK. © 2014 ASM International.
引用
收藏
页码：363 / 371
页数：8
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