Graph constrained empirical wavelet transform and its application in bearing fault diagnosis
Yuan Tan,
Shui Zhao,
Xiaorong Lv
et al.
Abstract:The signal decomposition based on frequency domain distribution is a fundamental methodology for mechanical component fault diagnosis. However, existing methods face challenges such as susceptibility to noise interference and limited adaptability. Therefore, this paper proposes the graph constrained empirical wavelet transform (GCEWT) method. This method introduces structured information, such as the interrelationships among different parts of the frequency domain distribution of vibration signals, into the bo… Show more
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