Abstract:To detect and to diagnose, the localized defect in rolling bearings, a statistical model based on the sequential Wald test is established to generate a "hypothetical" signal which takes the state zero in absence of the defect, and the state one if a peak of resonance caused by the defect in the bearing is present. The autocorrelation of this signal allows one to reveal the periodicity of the defect and, consequently, one can establish the diagnosis by comparing the frequency of the defect with the characterist… Show more
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