Indicators of cyclostationarity: Theory and application to gear fault monitoring

被引:144
作者
Raad, Amani [1 ]
Antoni, Jerome [1 ]
Sidahmed, Menad [1 ]
机构
[1] Univ Technol Compiegne, UMR CNRS 6066, Lab Roberval, LATIM Lab Commun CETIM UTC, F-60205 Compiegne, France
关键词
cyclostationarity; cyclic cumulants; cyclic skewness and kurtosis; condition monitoring of gears;
D O I
10.1016/j.ymssp.2007.09.011
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
This paper focuses on the proposal of new and simple indicators of cyclostationarity for the characterisation of vibration signals whose statistics are periodically varying with respect to some generic variable. Indicators of cyclostationarity from orders 1-4 are introduced and their statistical properties are derived. Two applications to the diagnostics of gears illustrate how to use these indicators. Results demonstrate their effectiveness for discriminating between different cyclostationary states. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:574 / 587
页数:14
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