| 小波包尺度图在故障检测中的应用 |
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| 引用本文： | 刘崇春,裘正定.小波包尺度图在故障检测中的应用[J].暨南大学学报,2000,21(3):49-56. |
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| 作者姓名： | 刘崇春 裘正定 |
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| 作者单位： | 1. 暨南大学电子工程系,广东,广州,510632
2. 北方交通大学信息所,北京,100044 |
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| 摘 要： | 提出了一种基于小波包尺度图的故障检测方法，该方法通过对振动信号进行小波包分解，然后利用其尺度图作为特征量来识别设备工作是否正常，并确定其故障频率，通过对一组不同情况的机械振动信号进行分析，结果表明该方法有效可行，并且适用于其它类似问题的监测和诊断。
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| 关 键 词： | 小波包尺度图 故障检测 机械设备 故障诊断 |
| 文章编号： | 1000-9965(2000)03-0049-08 |
| 修稿时间： | 1998-12-28 |
An application of wavelet packet scalogram in fault detection |
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| LIU Chong-chun,QIU Zheng-ding.An application of wavelet packet scalogram in fault detection[J].Journal of Jinan University(Natural Science & Medicine Edition),2000,21(3):49-56. |
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| Authors: | LIU Chong-chun QIU Zheng-ding |
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| Institution: | LIU Chong - chun
;( Dept. Of Electronic* Engineering, Jinan Univearsity, Guangzhou510632, China);QIU Zheng - ding
;(Institute of Information, Northern Jiaotong University, Beijing 100044, China) |
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| Abstract: | A fault diagnosis method according to wavelet packet scalogram is proposed. It decomposes signals in different bands by using compactly Daubechies wavelet packet bases. Then calculating the percentage of scalogram of each wavelet packet subspace contained in the whole scalogram, and further it candetect the fanlt frequency. It has been shown that, this method can be successfnlly applied to machine
axes fault diagnosis. |
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| Keywords: | wavelet packet scalogram fanlt detection |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
