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Method of early failure detection for elastic diaphragms based on frequency analysis of the acoustic signal

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2 Author(s)
Ciocan, R. ; Dept. of Electr. Eng., Akron Univ., OH, USA ; Ida, N.

A method of in-service early failure detection based on frequency analysis of the acoustic signal obtained from elastic diaphragms in air-driven pumps is described. A fully digital system for frequency analysis based on a personal computer was developed with a view to practical implementation of this method. The validity of the method was demonstrated by experiments performed under realistic in-plant conditions.

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Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on  (Volume:49 ,  Issue: 8 )