首页> 外文会议>Instrumentation and Measurement Technology Conference (I2MTC), 2012 IEEE International >Gearbox pitting detection using linear discriminant analysis and distance preserving self-organizing map
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Gearbox pitting detection using linear discriminant analysis and distance preserving self-organizing map

机译:使用线性判别分析和距离保持自组织图的齿轮箱点蚀检测

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摘要

Many intelligent learning methods have been successfully applied in the gearbox fault diagnosis. Self-organizing map (SOM) is one of such learning methods which have been used effectively as it preserves the topological relationships of the data. A novel distance preserving SOM is investigated in mechanical fault diagnosis, and a LDA-DPSOM (linear discrimination analysis and distance preserving SOM) based diagnosis method is presented for gear incipient fault detection. Firstly, LDA is used to realize feature selection of the data set, so the dimension of produced data is much fewer than that of original data. Then the DPSOM method is applied to classifying the selected data and visualizing the classification result. Experiment results indicate the effectiveness of LDA-DPSOM for gearbox incipient fault diagnosis.
机译:许多智能学习方法已成功应用于变速箱故障诊断中。自组织映射(SOM)是一种有效地使用了此类学习方法,因为它保留了数据的拓扑关系。在机械故障诊断中,研究了一种新型的保距SOM,提出了一种基于LDA-DPSOM(线性判别分析和保距SOM)的齿轮早期故障诊断方法。首先,LDA用于实现数据集的特征选择,因此生成数据的维数比原始数据要小得多。然后将DPSOM方法应用于对所选数据进行分类并可视化分类结果。实验结果表明,LDA-DPSOM对于变速箱早期故障诊断是有效的。

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