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A DSP-based FFT-analyzer for the fault diagnosis of rotating machine based on vibration analysis

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4 Author(s)
Betta, G. ; DAEIMI, Univ. of Cassino, Italy ; Liguori, C. ; Paolillo, A. ; Pietrosanto, A.

A DSP-based measurement system dedicated to the vibration analysis on rotating machines was designed and realized. Vibration signals are on-line acquired and processed to obtain a continuous monitoring of the machine status. In case of a fault, the system is capable of isolating the fault with a high reliability. The paper describes in detail the approach followed to built up fault and non-fault models together with the chosen hardware and software solutions. A number of tests carried out on small-size three-phase asynchronous motors highlight the excellent promptness in detecting faults, low false alarm rate, and very good diagnostic performance.

Published in:

Instrumentation and Measurement, IEEE Transactions on  (Volume:51 ,  Issue: 6 )

Date of Publication:

Dec 2002

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