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author:

万祖晨 (万祖晨.) [1] | 鲍光海 (鲍光海.) [2]

Abstract:

交流接触器的不良品在线圈通电后发出异常电磁性噪声,超出规定噪声值.针对交流接触器声音信号的特点,提出最大相关峭度解卷积(MCKD)与包络谱分析结合的方法,提取故障频率,实现交流接触器的异常振动噪声故障诊断.首先对采集到的声信号带通滤波,减少噪声干扰,再通过粒子群算法搜寻MCKD算法最优参数,对信号解卷积,增强信号中周期性脉冲,MCKD算法处理后的信号通过Hilbert变换求包络谱,以故障频率幅值因子为判据判断交流接触器是否故障.通过对交流接触器实际测试验证,结果表明所提方法能够有效诊断交流接触器异常噪声.

Keyword:

交流接触器 包络谱 故障诊断 最大相关峭度解卷积

Community:

  • [ 1 ] [万祖晨]福州大学
  • [ 2 ] [鲍光海]福州大学

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Source :

电器与能效管理技术

ISSN: 2095-8188

Year: 2023

Issue: 11

Page: 8-16,66

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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