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- W4362672010 abstract "The singular value decomposition package (SVDP) is often used for signal decomposition and feature extraction. At present, the general SVDP has insufficient feature extraction ability due to the two-row structure of the Hankel matrix, which leads to mode mixing. In this paper, an improved singular value decomposition packet (ISVDP) algorithm is proposed: the feature extraction ability is improved by changing the structure of the Hankel matrix, and similar signal sub-components are selected by similarity to avoid having the same frequency component signals being decomposed into different sub-signals. In this paper, the effectiveness of ISVDP is illustrated by a set of simulation signals, and it is utilized in fault diagnosis of bearing data. The results show that ISVDP can effectively suppress the model-mixing phenomenon and can extract the fault features in bearing vibration signals more accurately." @default.
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- W4362672010 date "2023-04-05" @default.
- W4362672010 modified "2023-09-26" @default.
- W4362672010 title "Bearing Fault Diagnosis Method Based on Improved Singular Value Decomposition Package" @default.
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- W4362672010 doi "https://doi.org/10.3390/s23073759" @default.
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