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Hysteresis compensation for a piezoelectric fiber optic voltage sensor

Fusiek, G. and Niewczas, P. and Dziuda, L. and McDonald, J.R. (2005) Hysteresis compensation for a piezoelectric fiber optic voltage sensor. Optical Engineering, 44 (11). pp. 1-6. ISSN 0091-3286

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Abstract

We present details of numerical techniques developed to compensate the effects of hysteresis experienced by a hybrid piezoelectric fiber optic voltage sensor. The techniques, implemented using a real-time signal processing system, are tested and their effectiveness evaluated experimentally. The best of the proposed algorithms provides phase error compensation from approximately 7 to nearly 0 deg, and allows us to perform sensor calibration to achieve accuracy better than 0.5% (full scale output).