Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
737897 | Sensors and Actuators A: Physical | 2008 | 10 Pages |
Abstract
The paper proposes a novel magnetic field sensor where a technique for hysteresis compensation is employed. The sensor integrates a magnetostrictive material with a Fiber Bragg Grating (FBG) strain sensor. Because of hysteresis and non-linear phenomena taking place in such materials, the sensor’s performances may be sensibly reduced. To this aim, magneto-elastic material is accurately modelled in order to compensate hysteresis. In particular, the proposed approach allows to embed the compensation algorithm in the developed device, yielding to a more linear response of the sensor and to a reliable reconstruction of magnetic field. Results are shown and discussed.
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Authors
D. Davino, C. Visone, C. Ambrosino, S. Campopiano, A. Cusano, A. Cutolo,