NONLINEAR ANALYSIS OF BEARING SIGNAL BASED ON IMPROVED VARIATIONAL MODAL DECOMPOSITION AND MUTI FRACTAL

NONLINEAR ANALYSIS OF BEARING SIGNAL BASED ON IMPROVED VARIATIONAL MODAL DECOMPOSITION AND MUTI FRACTAL

Some characteristics of bearing initial signals are considered including unobvious features, susceptibility to noise interference and strong nonlinearity when a bearing was damaged. Based on the fractal box dimension, an improved variational mode decomposition for nonlinear features extraction of be...

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Bibliographic Details
Main Authors:	JIN JiangTao, XU ZiFei, LI Chun, MIAO WeiPao, ZHANG WanFu, LI Gen
Format:	Article
Language:	zho
Published:	Editorial Office of Journal of Mechanical Strength 2022-01-01
Series:	Jixie qiangdu
Subjects:	Variational mode decomposition Fractal Bearing Nonlinear Fault diagnosis
Online Access:	http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2022.01.006

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