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Gear fault classification based on weighted phase space reconstruction and sample entropy
Author(s): LV Yong, LI Yourong, XIAO Han, WANG Zhigang
Pages: 462-
466
Year: 2009
Issue:
5
Journal: Journal of Vibration Engineering
Keyword: 相空间重构; 样本熵; 故障诊断; 齿轮;
Abstract: 提出了一种基于加权相空间重构降噪及样本熵的齿轮故障分类方法,给出了加权相空间重构降噪及样本熵的原理及计算公式.该方法将一维的时间序列重构到高维的相空同,通过区分吸引子在高维空间的不同的属性与特征,对原始信号进行加权相空间重构降噪,再计算降噪后信号的样本熵从而实现对齿轮故障信号的分类.对该方法进行了仿真与实验研究,结果表明,降噪后的信号有效地抑制了噪声对实验结果的影响,使得样本熵能够对齿轮不同的工作...
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