| 包络-小波技术在轴承故障诊断中的应用 |
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| 引用本文： | 张彤晓,郭西进,陆刚.包络-小波技术在轴承故障诊断中的应用[J].苏州科技学院学报(工程技术版),2004,17(4):80-85. |
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| 作者姓名： | 张彤晓 郭西进 陆刚 |
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| 作者单位： | 1. 中国矿业大学,信电学院,江苏,徐州,221008
2. 徐州瑞奇科工贸有限公司,江苏,徐州,221004 |
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| 摘 要： | 分析了滚动轴承典型故障的故障机理及其振动特征，详细介绍了滚动轴承振动信号分析与故障诊断的方法。提出了将包络分析作为小波分解的前置处理手段以提取信号故障特征的思想，并在此基础上开发研制了“CZZD-01型轴承故障诊断仪”。现场调试结果表明，该方法准确有效，适用于滚动轴承的监测和诊断。
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| 关 键 词： | 滚动轴承 包络分析 小波分析 故障诊断 |
| 文章编号： | 1672-0679(2004)04-0080-06 |
| 修稿时间： | 2004年11月5日 |
On the Application of Envelope-wavelet Analysis in the Fault Diagnosis of Rolling Bearing |
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| ZHANG Tong-xiao,GUO Xi-jin,LU Gang.On the Application of Envelope-wavelet Analysis in the Fault Diagnosis of Rolling Bearing[J].Journal of University of Science and Technology of Suzhou：Engineering and Technology,2004,17(4):80-85. |
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| Authors: | ZHANG Tong-xiao GUO Xi-jin LU Gang |
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| Abstract: | In this paper, the fault mechanism and vibration characteristics of rolling bearing are analyzed and the methods of vibration signal analysis and fault diagnosis for these components are described in detail. The authors successfully used an approach to the extraction of fault features from their vibrations with envelope analysis and orthogonal decomposition of wavelet packets, where envelope analysis is used as the preprocessing of the decomposition. Then, an instrument for the fault diagnosis of rolling bearing is developed. The results show that the method is very suitable for the online inspection and diagnosis of the rolling bearing. |
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| Keywords: | rolling bearing envelope analysis wavelet analysis fault diagnosis |
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