李宏坤   

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Paper Publications

梳状滤波器在滚动轴承早期故障诊断中的应用

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Indexed by:Journal Article

Date of Publication:2008-12-25

Journal:振动与冲击

Included Journals:CSCD、ISTIC、PKU、EI、Scopus

Volume:27

Issue:12

Page Number:171-174

ISSN:1000-3835

Key Words:梳状滤波;循环平稳;早期故障诊断;滚动轴承

Abstract:在滚动轴承的早期故障信号中,由于较强的齿轮啮合频率以及噪声成份的存在,致使故障特征的提取比较困难.应用二阶循环平稳方法可以有效的抑制噪声,提取出信号中的周期成份,但无法排除啮合频率的干扰.提出了构造梳状滤波器滤除啮合频率,然后进行二阶循环平稳分析的滚动轴承早期故障诊断方法,并通过实际工程信号进行了验证.

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