Constrained independent component analysis and its application to machine fault diagnosis

Constrained independent component analysis and its application to machine fault diagnosis
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约束独立分量分析及其在机械故障诊断中的应用

DOI:
10.1016/j.ymssp.2011.03.006
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发表时间:
2011-10
影响因子:
8.4
通讯作者:
Yu Zhou
Yu Zhou
中科院分区:
工程技术1区
文献类型:
--
作者:
Zhiyang Wang;Jin Chen;Guangming Dong;Yu Zhou

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For machine fault diagnosis the signals from working machine are always numerous, even uncountable, but there contains only a little useful information. Hence how to find out the useful signal from numerous signals, including noises, that is, how to only extract the desired fault signal is very attractive. This paper shows that the constrained independent component analysis (cICA) can solely extract desired faulty signal using some prior mechanical information. The methods of creating reference of cICA for machine diagnostics are discussed, and the effectiveness of the method is successfully verified by simulations and experiments.
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