Application of bipectrum in mechanical fault diagnosis

被引：0
|
作者：
Wu Wenbing [1 ,2 ]
Yang Shuqun [3 ]
Huang Yijian [4 ]
机构：
[1] Fuzhou Coll Foreign Studies & Trade, Fuzhou, Peoples R China
[2] Xiamen Univ, Sch Informat Sci & Technol, Xiamen, Peoples R China
[3] Fujian Normal Univ, Fac Software, Fuzhou, Peoples R China
[4] Huaqiao Univ, Coll Mech Engn & Automat, Quanzhou, Peoples R China
来源：
MATERIALS PROCESSING TECHNOLOGY II, PTS 1-4 | 2012年 / 538-541卷
关键词：
Bispectrum; 2-D wavelet; Fault diagnosis;
D O I：
10.4028/www.scientific.net/AMR.538-541.2645
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bispectrum produced by third order cumulant contains the asymmetric and nonlinear information of signal, which can be used to describe the nonlinear phase coupling, especially the quadratic phase coupling, has been widely applied in fault diagnosis. The features of fault signals and normal signals are fetched by 2-D wavelet in different directions, then these features are used to diagnose fault. The experiment shows that the method can achieve satisfactory result.
引用
收藏
页码：2645 / +
页数：2
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