Shock and Vibration

Shock and Vibration / 2002 / Article
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COBEM 2001

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Open Access

Volume 9 |Article ID 749259 |

Nicolò Bachschmid, Paolo Pennacchi, "Multiple Fault Identification Method in the Frequency Domain for Rotor Systems", Shock and Vibration, vol. 9, Article ID 749259, 13 pages, 2002.

Multiple Fault Identification Method in the Frequency Domain for Rotor Systems

Received15 Nov 2002
Revised15 Nov 2002


Fault identification in rotor systems has been studied by many authors, but the considered malfunction is one single fault only, generally an unbalance. Real machines can be affected by several different types of faults; moreover sometimes also two different faults may develop simultaneously. A model based method for identifying multiple faults acting simultaneously on a rotor system in the frequency domain is briefly described and its robustness with regards to measuring and modelling errors is evaluated, by means of numerical simulations performed on the models of two typical power plant machines: a steam turbogenerator and a gas turbogenerator.

Copyright © 2002 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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