Eddy Current Position Measurement in Harsh Environments: A Temperature Compensation and Calibration Approach
Gabriel Gruber,
Bernhard Schweighofer,
Matthias Berger
et al.
Abstract:Eddy current displacement sensors (ECDSs) are widely used for the noncontact position measurement of small displacements (lift-offs). Challenges arise with larger displacements as the sensitivity of the ECDSs decreases. This leads to a more pronounced impact of temperature variations on the inductance and, consequently, an increased position error. Design solutions often rely on multiple coils, suitable coil carrier materials, and compensation measures to address the challenges. This study presents a single-co… Show more
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