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author:

郭茂强 (郭茂强.) [1] | 黄云云 (黄云云.) [2] | 赵强 (赵强.) [3] | 张经伟 (张经伟.) [4]

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PKU

Abstract:

针对滚动轴承振动信号非线性、非平稳的特点,提出基于迭代滤波分解(iterative filtering decomposition, IFD)提取各分量特征,结合核极限学习机(kernel extreme learning machine, KELM)的故障诊断方法.通过对原始信号进行IFD分解,得到一组本征模态函数(intrinsic mode functions, IMF).计算包含主要故障信息在内的IMF分量能量与排列熵组成的故障特征向量,将特征向量作为KELM输入识别轴承的故障类型.实验分析结果表明,以IFD作为预处理器的特征融合方法比经验模态分解(empirical mode dec...

Keyword:

排列熵 故障诊断 核极限学习机 滚动轴承 迭代滤波分解

Community:

  • [ 1 ] 福州大学石油化工学院

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2020

Issue: 03

Volume: 48

Page: 341-347

Cited Count:

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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