Application of wavelet packet transform on fault diagnosis of snapped bolt in gear box

被引：0
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作者：
Key Lab. of Advanced Manufacturing Technology of Beijing Municipality, College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China [1 ]
机构：
来源：
Beijing Gongye Daxue Xuebao J. Beijing Univ. Technol. | 2007年 / 3卷 / 240-244期
关键词：
Bolts - Failure analysis - Feature extraction - Vibrations (mechanical) - Wavelet analysis - Wavelet transforms;
D O I：
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学科分类号：
摘要：
Application of wavelet packet transform to fault diagnosis of gear box is introduced. From wavelet packet transform of vibration signal to gear box, the fault information of gear box bolt snapped can be effectively extracted. According to the fault mechanism, vibration signal of rotating machinery has steady frequency distribution. If every feature of fault frequency can be extracted, symptoms for fault diagnosis can be provided.
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