| 刀具磨损声发射信号处理中小波基选取的研究 |
| |
| 引用本文： | 聂鹏,王东磊,王哲峰,徐涛.刀具磨损声发射信号处理中小波基选取的研究[J].工具技术,2009,43(1):94-97. |
| |
| 作者姓名： | 聂鹏 王东磊 王哲峰 徐涛 |
| |
| 作者单位： | 沈阳航空工业学院 |
| |
| 摘 要： | 通过对小波基性质和刀具磨损声发射（AE）信号特点的研究，从理论上分析了小波变换中刀具磨损AE信号处理中小波基选取的方法。在试验验证过程中，根据小波包信号分解遵循能量守恒原理，用四种小波基对刀具磨损AE信号进行三层小波包分解；以AE信号经小波包分解后各频带上的能量为特征参数，比较四种情况下特征参数的变化，验证了理论分析的正确性。
|
| 关 键 词： | 刀具磨损 声发射 小波基 频带能量 |
Research on Selecting Wavelet Basis in Cutting Tool Wear Acoustic Emission Signal Processing |
| |
| Nie Peng Wang Donglei Wang Zhefeng et al,adjunct professor,Shenyang Institute of Aeronautical Engineering,Shenyang ,China.Research on Selecting Wavelet Basis in Cutting Tool Wear Acoustic Emission Signal Processing[J].Tool Engineering(The Magazine for Cutting & Measuring Engineering),2009,43(1):94-97. |
| |
| Authors: | Nie Peng Wang Donglei Wang Zhefeng adjunct professor Shenyang Institute of Aeronautical Engineering Shenyang China |
| |
| Affiliation: | Nie Peng Wang Donglei Wang Zhefeng et al,adjunct professor,Shenyang Institute of Aeronautical Engineering,Shenyang 110136,China |
| |
| Abstract: | Theoretical analysis on the methods of how to select the suitable wavelet basis for cutting tool wear acoustic emission(AE) signal processing in wavelet transform through researching on properties of wavelet basis and cutting tool wear AE signal features.In the process of experimental verification,using four kinds of wavelet packets basis to decompose cutting tool wear AE signal into 3 levels based on signal energy conservation after it being decomposed by wavelet packets.Characteristic parameter is compose... |
| |
| Keywords: | cutting tool wear acoustic emission wavelet basis frequency energy |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
