The detection of gear noise computed by integrating the Fourier and wavelet methods

Authors:
Niola Vincenzo;Quaremba Giuseppe;Forcelli Aniello
Affiliations:
Department of Mechanical Engineering for Energetics, University of Naples "Federico II", Napoli, Italy;Department of Mechanical Engineering for Energetics, University of Naples "Federico II", Napoli, Italy;DVH Transmission Department, ELASIS S.C.p.A., Pomigliano d'Arco, NA, Italy
Venue:
WSEAS Transactions on Signal Processing
Year:
2008

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Abstract

This paper presents a new gearbox noise detection algorithm based on analyzing specific points of vibration signals using the Wavelet Transform. The proposed algorithm is compared with a previously-developed algorithm associated with the Fourier decomposition using Hanning windowing. Simulation carried on real data demonstrate that the WT algorithm achieves a comparable accuracy while having a lower computational cost. This makes the WT algorithm an appropriate candidate for fast processing of noise gear box.