DETECTING CHANGES IN THE CONDITION OF A PRESSURE TRANSDUCER BY ANALYSING ITS OUTPUT SIGNAL

O.Yu. Bushuev, A.S. Semenov, A.O. Chernavskiy, A.L. Shestakov

Abstract

A technique of detecting changes in the condition of a pressure transducer is described. The method is based on a spectral analysis of transducer output signal and estimating its frequency response. The study of the transducer finite-element model and experimental results show that it is possible to detect faults by this way so this technique can be used to develop a self-validating pressure sensor.

Keywords

pressure transducer, fault detection and diagnosis, finite-element model, self-validation

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IMEKO-WC-2012-TC10-P1.pdf

DOI

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IMEKO TC

TC10 - Measurement for Diagnostics, Optimization and Control

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