An Improved Empirical Mode Decomposition Based on Adaptive Weighted Rational Quartic Spline for Rolling Bearing Fault Diagnosis
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DOI: 10.1109/access.2020.3006030
Abstract: As a powerful time-frequency signal analysis technique, empirical mode decomposition (EMD) has been commonly applied in fault diagnosis. However, the cubic spline-curve often causes outstanding over and undershoot problem, which significantly limits the performance of… read more here.
Keywords: weighted rational; spline; fault; fault diagnosis ... See more keywords