A Novel Strategy for Signal Denoising Using Two-Layer SVD and Its Application to Rub-Impact Fault Diagnosis of Aeroengine

The rub-impact fault, which occurs in the aeroengine, can cause frequency modulation (FM) in its vibration signal. Oscillated instantaneous frequency (IF) is a phenomenon of such a modulation mode, which carries critical fault information from the aeroengine. In this paper, by using Variational Mode...

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Autors principals:	Peng Zhang, Shunming Li, Kun Xu, Siqi Gong, Keyi Zhan, Maoxian Shen, Jun Tian, Xin Yuan
Format:	Artigo
Idioma:	Inglês
Publicat:	MDPI AG 2022-02-01
Col·lecció:	Applied Sciences
Matèries:	aeroengine singular value decomposition two-layer singular value decomposition frequency modulation
Accés en línia:	https://www.mdpi.com/2076-3417/12/5/2342
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