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Author:

王婕 (王婕.) | 崔玲丽 (崔玲丽.) (Scholars:崔玲丽) | 康晨晖 (康晨晖.)

Indexed by:

CQVIP PKU CSCD

Abstract:

针对轴承故障诊断中最优小波基的选取问题,通过计算SUMVAR值选取最优小波基.用不同小波基对轴承故障仿真信号和故障实验信号进行降噪处理,分析降噪后信号与原信号的能量比值,降噪后信号与原信号标准差,峭度等指标,验证所选小波基的优越性.并对使用最优小波基降噪后信号做希尔伯特包络解调分析,结果表明,该方法能准确提取轴承故障特征频率.

Keyword:

最优小波基 SUMVAR值 小波降噪 希尔伯特变换 故障特征频率

Author Community:

  • [ 1 ] [王婕]北京工业大学
  • [ 2 ] [崔玲丽]北京工业大学
  • [ 3 ] [康晨晖]北京工业大学

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Source :

制造技术与机床

ISSN: 1005-2402

Year: 2011

Issue: 12

Page: 140-144

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 3

Chinese Cited Count:

30 Days PV: 4

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