Diagnostics of gear systems using the spectral correlation density of the vibration signal

被引：0

作者：

Rubini, R ^{[1
]}

Sidahmed, M ^{[1
]}

机构：

[1] Univ Bologna, Fac Engn, Dipartimento Ingn Costruz Meccan Nucl Aeronaut &, I-40126 Bologna, Italy

来源：

(SAFEPROCESS'97): FAULT DETECTION, SUPERVISION AND SAFETY FOR TECHNICAL PROCESSES 1997, VOLS 1-3 | 1998年

关键词：

signal processing techniques; cyclostationarity; vibration analysis; diagnostics; rotating machines; gear fault diagnostics;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper is devoted to gear diagnostics using a new technique based on cyclostationary theory. Formulation of the method and calculation of the Spectral Correlation Density (SCD) are presented. The Spectral Correlation Function may be seen as a parameter. measuring the 'link' between harmonic components. This technique is demonstrated on simulated example, and used to analyse real vibration signals measured on an industrial like gear system. SCD is compared to classical (but powerful) phase modulation technique for the diagnostics of spalling in gear teeth. The results show that SCD may detect this fault in an early stage. Copyright (C) 1998 IFAC.

引用

页码：971 / 976

页数：6

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