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author:

张俊 (张俊.) [1] (Scholars:张俊) | 张建群 (张建群.) [2] | 钟敏 (钟敏.) [3] | 郑近德 (郑近德.) [4] | 李习科 (李习科.) [5]

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CQVIP PKU CSCD

Abstract:

针对风机滚动轴承微弱故障信号所具有的非线性和非平稳特征及易被强背景噪声掩盖的特点,提出了一种变分模态分解(variational modal decomposition,简称VMD)和最大相关峭度解卷积(maximum correlated kurtosis deconvolution,简称MCKD)相结合的滚动轴承微弱故障诊断方法。为实现VMD和MCKD的参数自适应选择,采用粒子群优化算法(particle swarm optimization,简称PSO),对两种算法中的参数进行优化。首先,利用PSO优化VMD算法中的α和K,再基于VMD对微弱故障信号分解后的结果,选取最优模态分量;其次,...

Keyword:

变分模态分解 故障诊断 最大相关峭度解卷积 滚动轴承 粒子群优化

Community:

  • [ 1 ] 福州大学机械工程及自动化学院
  • [ 2 ] 安徽工业大学机械工程学院

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Source :

振动.测试与诊断

ISSN: 1004-6801

CN: 32-1361/V

Year: 2020

Issue: 02

Volume: 40

Page: 287-296,418

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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