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A joint adaptive wavelet filter and morphological signal processing method for weak mechanical impulse extraction

Journal of mechanical science and technology, v.24 no.8, 2010년, pp.1709 - 1716  

He, Wei (Diagnosis and Self-recovery Engineering Research Center, Beijing University of Chemical Technology) ,  Jiang, Zhinong (Diagnosis and Self-recovery Engineering Research Center, Beijing University of Chemical Technology) ,  Qin, Qiang (Diagnosis and Self-recovery Engineering Research Center, Beijing University of Chemical Technology)

Abstract ▼ AI-Helper 아이콘AI-Helper

Periodical impulses are vital indicators of rotating machinery faults. Therefore, the extraction of weak periodical impulses from vibration signals is of great importance for incipient fault detection. However, measured signals are often severely tainted by various noises, which makes the detection ...

주제어

#Morphological signal processing   #Wavelet filter   #Differential evolution   #Impulse extraction   #Fault diagnostics  

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