Sensible multiscale symbol dynamic entropy for fault diagnosis of bearing

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成果类型：

期刊论文

作者：

Tan, Hongchuang;Xie, Suchao;Zhou, Hui;Ma, Wen;Yang, Chengxing;...

通讯作者：

Xie, SC

作者机构：

[Zhang, Jing; Xie, SC; Xie, Suchao; Tan, Hongchuang; Ma, Wen; Yang, Chengxing] Cent South Univ, Key Lab Traff Safety Track, Changsha, Hunan, Peoples R China.

[Xie, SC; Xie, Suchao; Tan, Hongchuang] Cent South Univ, Sch Traff & Transportat Engn, Changsha, Peoples R China.

[Xie, SC; Xie, Suchao; Tan, Hongchuang] Joint Int Res Lab Key Technol Rail Traff Safety, Changsha, Peoples R China.

[Zhou, Hui] Cent South Univ Forestry & Technol, Sch Logist & Transportat, Changsha, Peoples R China.

通讯机构：

[Xie, SC ] C

Cent South Univ, Key Lab Traff Safety Track, Changsha, Hunan, Peoples R China.

Cent South Univ, Sch Traff & Transportat Engn, Changsha, Peoples R China.

Joint Int Res Lab Key Technol Rail Traff Safety, Changsha, Peoples R China.

语种：

英文

关键词：

Sensible multiscale symbol dynamic entropy;Feature extraction;Time series;Rolling bearing;Fault diagnosis

期刊：

International Journal of Mechanical Sciences

ISSN：

0020-7403

年：

2023

卷：

256

页码：

108509

DOI：

10.1016/j.ijmecsci.2023.108509

基金类别：

National Key R amp; D Program of China (2 [2022YFB4300300]; National Natural Science Foundation of China [52202455]; Fundamental Research Funds for the Central Universities of Central South University [2021zzts0161]

机构署名：

本校为其他机构

院系归属：

交通运输与物流学院

摘要：

Due to the complex service conditions of rolling bearings, vibration signals arising therefrom exhibit non-linear characteristics, which means that single-scale feature extraction techniques cannot extract fault features. Multiscale symbolic dynamic entropy (MSDE) is a new technique that has recently emerged and been applied to fault diagnosis in machinery. However, MSDE has limitations such as its poor stability, large errors, and even loss of information. To this end, a novel sensible multiscale symbol dynamic entropy (SMSDE) method was proposed. For SMSDE, the signal was first decomposed us...

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Sensible multiscale symbol dynamic entropy for fault diagnosis of bearing

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