Analysis of Damage of Ball Bearings of Aeronautical Transmissions by Auto-Power Spectrum and Cross-Power Spectrum-Reference-Cited by-同舟云学术

Analysis of Damage of Ball Bearings of Aeronautical Transmissions by Auto-Power Spectrum and Cross-Power Spectrum

Published:2002-03-26 Issue:2 Volume:124 Page:180-185
ISSN:1048-9002
Container-title:Journal of Vibration and Acoustics
language:en
Short-container-title:

Author:

Cavacece Massimo¹,Introini Alberto²

Affiliation:

1. Department of Industrial Engineering, University of Cassino, Via G. Di Biasio, No. 43 03043 Cassino (FR)-Italy

2. Agusta un'Azienda Finmeccanica, Divisione Trasmissioni, Via G. Agusta No. 520, 21017 Cascina Costa di Samarate (VA)-Italy

Abstract

Abstract Fourier analysis is used as a framework in which to obtain spectral estimates for nonstationary discrete time signals. Analysis of the auto-power spectrum and the cross-power spectrum makes it possible to distinguish between false alarms and real risk situations and, in the latter case, to determine the propagation of any possible damage in its earliest phases. This analysis then allows corrective actions to be taken, such as parts replacement, in order to limit damage and contamination of component parts in fatigue tests and thus shorten machine stoppage times.

Publisher

ASME International

Subject

General Engineering

Link

https://asmedigitalcollection.asme.org/vibrationacoustics/article-pdf/124/2/180/6838681/180_1.pdf

Reference9 articles.

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