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    Vibration-based multi-fault diagnosis for centrifugal pumps

    226835_Kamiel 2015.pdf (4.637Mb)
    Access Status
    Open access
    Authors
    Kamiel, Berli Paripurna
    Date
    2015
    Supervisor
    Assoc. Prof Ian Howard
    Dr Kristoffer McKee
    Type
    Thesis
    Award
    PhD
    
    Metadata
    Show full item record
    School
    Department of Mechanical Engineering
    URI
    http://hdl.handle.net/20.500.11937/1532
    Collection
    • Curtin Theses
    Abstract

    The thesis proposes a new method for vibration fault diagnosis of centrifugal pumps by combining statistical features, Symlet Wavelet transform, Principal Component Analysis and k-Nearest Neighbors. Six statistical features were extracted from the low frequency part of wavelet decomposition which was then used as input features for the PCA model. The fault detection utilised T2 and Q statistics while fault classification and identification were carried out using score matrices and k-Nearest Neighbors respectively.

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