Spectral entropy: a complementary index for rolling element bearing performance degradation assessment

被引：120

作者：

Pan, Y. N. ^{[1
]}

Chen, J. ^{[1
]}

Li, X. L. ^{[2
]}

机构：

[1] Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China

[2] Hangzhou Bearing Test & Res Ctr, State Testing Lab, Hangzhou, Zhejiang, Peoples R China

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2009年 / 223卷 / 05期

关键词：

spectral entropy; performance degradation assessment; bearing accelerated life test; FAULT-DIAGNOSIS; STATISTICAL MOMENTS; MACHINE; VIBRATION; ALGORITHM; ENVELOPE; DEFECTS;

D O I：

10.1243/09544062JMES1224

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Performance degradation assessment has been proposed to realize equipment's near-zero downtime and maximum productivity. Exploring effective indices is crucial for it. In this study, rolling element bearing has been taken as a research object, spectral entropy is proposed to be as a complementary index for its performance degradation assessment, and its accelerated life test has been performed to collect vibration data over a whole lifetime (normal-fault-failure). Results of both simulation and experiment show that spectral entropy is an effective complementary index.

引用

页码：1223 / 1231

页数：9

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