2023
DOI: 10.21203/rs.3.rs-2576275/v1
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Fault Detection of Gearbox by Multivariate Extended Variational Mode Decomposition-Based Time-Frequency Images and Incremental RVM Algorithm

Abstract: A novel detection method based on multivariate extended variational mode decomposition-based time-frequency images and incremental RVM algorithm(MEVMDTFI-IRVM) is presented for fault detection of gearbox. The time-frequency images are constructed by multivariate extended variational mode decomposition. Compared with single-variable modal decomposition method, multivariate extended variational mode decomposition not only has an accurate mathematical framework, but also possible to better align the common freque… Show more

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