Gear spall detection by non-stationary vibration signal analysis

被引:0
作者
D'Elia, G. [1 ]
Delvecchio, S. [1 ]
Dalpiaz, G. [1 ]
机构
[1] Univ Ferrara, Dept Engn, I-44100 Ferrara, Italy
来源
PROCEEDINGS OF ISMA 2008: INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING, VOLS. 1-8 | 2008年
关键词
D O I
暂无
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
This work seeks the diagnosis of gear local faults by non-stationary vibration signal analysis, such as continuos wavelet transform, Wigner-Ville distribution and cyclostationary analysis. The diagnostic capabilities of the foregoing techniques are discussed on the basis of simulated and experimental results, in particular tooth spalls of different sizes are artificially introduced along the gear tooth face via a drilling process. A vibration signal model including the effects of local faults in involute gears is presented. This model is applied to study the potential effectiveness of the considered processing techniques. After that, the vibration signals acquired from a gearbox in sound and faulty conditions are analyzed with the foregoing non-stationary signal processing techniques, in order to compare the effectiveness of the considered techniques for local fault diagnostics.
引用
收藏
页码:777 / 791
页数:15
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