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Smart Structures and Systems Volume 4, Number 4, July 2008 , pages 429-438 DOI: https://doi.org/10.12989/sss.2008.4.4.429 |
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Experimental identification of multiple faults in rotating machines |
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Jarir Mahfoud and Claire Breneur
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| Abstract | ||
| The aim of this paper is to define the required measurements and processing tools necessary for developing a maintenance approach applied to rotating machines in the presence of multiple faults. The system responses measured were accelerations and transmission errors. Acceleration measurements provide most of the information on bearing conditions, while transmission error measurements provide pertinent information on gear conditions. The measurements were carried out for several operating conditions (loads and speeds). System responses were processed in several analyzing domains (Time, Spectrum, and Cepstrum domains). The approach developed enables the detection and identification of combined faults and it can be applied to other types of rotating machines once the critical elements and their associated faults have been defined. | ||
| Key Words | ||
| preventive maintenance; diagnostics; fault detection; transmission error; signal processing. | ||
| Address | ||
| Laboratoire de Mecanique des Contacts et des Structures- LaMCoS - UMR CNRS 5259 Institut National des Sciences Appliques de Lyon, Biment Jean d\'Alembert 18-20, rue des Sciences, 69621 Villeurbanne Cedex, France | ||