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Experimental identification of multiple faults in rotating machines

  • Mahfoud, Jarir (Institut National des Sciences Appliques de Lyon, Institut National des Sciences Appliquees de Lyon) ;
  • Breneur, Claire (Institut National des Sciences Appliques de Lyon, Institut National des Sciences Appliquees de Lyon)
  • Received : 2007.07.07
  • Accepted : 2007.11.11
  • Published : 2008.07.25
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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.

Keywords

References

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