Abstract:The Variational Mode Decomposition (VMD) method was used to decompose the oil pressure signals containing different particle concentrations; the number of components of VMD decomposition is determined by using the criterion of joint comparison between the slope of the center frequency of each component and the main frequency of the component of VMD decomposition, and a method for determining the main components of the signal is proposed by the average energy value; the Hilbert envelope demodulation analysis wa… Show more
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