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Wavelet Transform And Envelope Detection ForGear Fault Diagnosis .A Comparative Study

Auteurs : A.boudiaf, Z.Mentouri, S. Ziani, S.Taleb
Année : 2013
Domaine : Génie électrique
Type : Communication
Conférence: INTERNATIONAL CONFERENCES in ELECTRICAL AND ELECTRONICS ENGINEERING
Résumé en PDF : (résumé en pdf)
Fulltext en PDF : (.pdf)
Mots clés : Vibration analysis, Fault Diagnosis, Wavelet Transform (WT), Envelope Detection (ED)

Résumé :

On-line vibration monitoring of Rotary Machinesis a fundamental axis of development and industrial research. Itspurpose is to provide knowledge about the working condition ofmachines at each moment without stopping the production line.This method allows avoiding the production losses related tobreakdowns and reducing overall maintenance costs.Bearing fault diagnosis is important in vibration monitoringof any rotating machine. Early fault detection in machineries cansave millions of dollars in emergency maintenance cost.This paper presents the comparison results of Fault diagnosisTechniques of gear fault using two methods: Envelope Detection(ED) and Wavelet Transform (WT) using Morlet Wavelet thecomparative study is applied to real vibratory signals.