可能性理论在滚动轴承复合故障诊断中的应用

骆志高;何鑫;胥爱成;陈强;陈鹏

振动与冲击 ›› 2011, Vol. 30 ›› Issue (1) : 73-76.

PDF(1340 KB)
PDF(1340 KB)
振动与冲击 ›› 2011, Vol. 30 ›› Issue (1) : 73-76.
论文

可能性理论在滚动轴承复合故障诊断中的应用

  • 骆志高;何鑫;胥爱成;陈强; 陈鹏
作者信息 +

Application of Possibility Theory in the Rolling Bearing Compound Fault Diagnosis

  • Luo Zhigao; He Xin; Xu Aichen; Chen Qiang; Chen Peng
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文章历史 +

摘要

鉴于测得滚动轴承复合异常信号的复杂性,利用Gabor小波的时频局部化特性从中提取出单一异常特征成分,再以模糊数学可能性理论为基础得到特征参数的隶属度函数,最后运用逐次诊断理论,对滚动轴承进行复合故障诊断研究。实验表明,该方法能准确地诊断出变工况条件下滚动轴承的复合故障,实用性强。

Abstract

As the Complexity of compound abnormal signal of rolling bearing, this article uses the local time frequency characteristic of Gabor wavelet to extract the characteristic parameters from the obtained signal, then the possibility theory in fuzzy mathematics was taken as the foundation to obtain the membership function of characteristic parameter. Last the successive fault diagnosis method was used to research the rolling bearing compound fault diagnosis. The experiment shows this method can be applied well in rolling bearing compound fault diagnosis under the changeable condition.

关键词

Gabor小波 / 可能性理论 / 特征参数 / 滚动轴承 / 复合故障

Key words

Gabor wavelet / possibility / theory characteristic / rolling bearing / compound fault

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导出引用
骆志高;何鑫;胥爱成;陈强;陈鹏. 可能性理论在滚动轴承复合故障诊断中的应用[J]. 振动与冲击, 2011, 30(1): 73-76
Luo Zhigao;He Xin;Xu Aichen;Chen Qiang;Chen Peng. Application of Possibility Theory in the Rolling Bearing Compound Fault Diagnosis [J]. Journal of Vibration and Shock, 2011, 30(1): 73-76

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