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Published in:
2010 | OriginalPaper | Chapter
Crack Diagnosis in Rotating Shafts
Authors : Nicolò Bachschmid, Paolo Pennacchi, Ezio Tanzi
Published in: Cracked Rotors
Publisher: Springer Berlin Heidelberg
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Diagnosis is a procedure that allows identifying the impending fault or defect from symptom analysis. In the rotordynamics field, symptoms are generally vibrations, which are measured in correspondence of the bearings in industrial machines.
A diagnosis can be performed by skilled human operators, as it was common in the past, or automatically by means of suitable software. Different approaches can be used for automatic diagnostic procedures. In the following, two approaches are presented, along with some applications: i) a qualitative one, which does not allow defining severity and position of the identified fault; ii) a model based approach, which on the contrary identifies also severity and position of the fault.