Fault diagnosis of a gearbox based on the analysis of a fractional energy gathering band

Jianmin Mei,Yunkui Xiao,Xianglong Chen,Long Qiao

Measurement（2013）

引用 4|浏览20

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摘要

•FETFA has less computation and high resolution.•A time–frequency analysis of large signal is carried out quickly by FETFA.•FETFAS highlights the target component and restrains other components and noise.•FETFAS is suitable for extracting weak fault feature of gearbox.

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关键词

Fractional Fourier transform,Energy gathering band,Time–frequency aggregated spectrum,Weak fault

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