| 基于小波包能量谱齿轮振动信号的分析与故障诊断 |
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| 引用本文： | 王江萍,孙文莉.基于小波包能量谱齿轮振动信号的分析与故障诊断[J].机械传动,2011,35(1):55-58. |
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| 作者姓名： | 王江萍 孙文莉 |
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| 作者单位： | 西安石油大学,机械工程学院,陕西,西安,710065 |
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| 基金项目： | 陕西省自然科学基金，陕西省教育厅专项科研计划项目 |
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| 摘 要： | 小波包是继小波分析之后提出的一种新型的多尺度分析方法,解决了小波分析在高频部分分辨率差的缺点,体现了比小波分析更好的处理效果.测试了齿轮传动系统在几种不同故障类型下的振动信号,利用小波包变换的分解和重构算法,有效地提取出齿轮故障特征信号,得到试验结果.通过比较时域分析、频域分析和小波包分析对齿轮振动信号进行的特征提取,...
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| 关 键 词： | 齿轮 振动信号 故障诊断 小波包 能量谱 |
Vibration Signal Analysis and Fault Diagnosis of Gear based on Wavelet Packet Energy Spectrum |
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| Wang Jiangping,Sun Wenli.Vibration Signal Analysis and Fault Diagnosis of Gear based on Wavelet Packet Energy Spectrum[J].Journal of Mechanical Transmission,2011,35(1):55-58. |
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| Authors: | Wang Jiangping Sun Wenli |
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| Affiliation: | Wang Jiangping Sun Wenli(School of Mechanical Engineering,Xi'an Shiyou University,Xi'an 710065,China) |
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| Abstract: | The wavelet packet transform is a new multi-scale analysis method developed in the past decade.It overcomes the shortcomings of poor resolution in high-frequency part inherent in wavelet analysis.Vibration fault feature of gear is analyzed.By using the decomposition and reconstruction algorithm of wavelet transform,the fault feature signal of gear are extracted availably and the result s of experimentation are obtained.The characteristics of time domain analysis,frequency spectrum analysis and wavelet analy... |
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| Keywords: | Gear Vibration signal Fault diagnosis Wavelet packet Energy spectrum |
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