<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This paper introduces the basic theory behind magnetoelastic sensors which are based on the change of magnetic properties (permeability) due to mechanical stress (Villari effect). A well-known magnetoelastic sensor, the Pressductor, is described. A simulation model of a sensor is created, described, and evaluated by computing the static transfer characteristic of RMS secondary coil voltage change due to tensile stress. A real sensor is then manufactured from a polycrystalline transformer sheet and experimentally tested by using a tensile load created by water weight. The simulation and experiment show similar behavior but are not completely identical which is most likely since some material properties were taken from literature rather than from experimental measurements, like the magnetostriction coefficient and initial magnetic susceptibility.</p>
</abstract>

This paper introduces the basic theory behind magnetoelastic sensors which are based on the change of magnetic properties (permeability) due to mechanical stress (Villari effect). A well-known magnetoelastic sensor, the Pressductor, is described. A simulation model of a sensor is created, described, and evaluated by computing the static transfer characteristic of RMS secondary coil voltage change due to tensile stress. A real sensor is then manufactured from a polycrystalline transformer sheet and experimentally tested by using a tensile load created by water weight. The simulation and experiment show similar behavior but are not completely identical which is most likely since some material properties were taken from literature rather than from experimental measurements, like the magnetostriction coefficient and initial magnetic susceptibility.

Design and Evaluation of a Magnetoelastic Tensile Force Sensor

Department of Theoretical and Industrial Electrical Engineering, Faculty of Electrical Engineering and Informatics

Acta Electrotechnica et Informatica

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"Design and Evaluation of a Magnetoelastic Tensile Force Sensor"}

This paper introduces the basic theory behind magnetoelastic sensors which are based on the change of magnetic properties (permeability) due to mechanical...

Design and Evaluation of a Magnetoelastic Tensile Force Sensor

Published Online: Jun 23, 2023

Page range: 11 - 17

Received: Mar 03, 2023

Accepted: Mar 23, 2023

DOI: https://doi.org/10.2478/aei-2023-0002

Keywords
force sensing, magnetoelastic sensor, magnetostriction, tensile stress, Villari effect

© 2023 Šimon Gans et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Design and Evaluation of a Magnetoelastic Tensile Force Sensor

Published Online: Jun 23, 2023

Page range: 11 - 17

Received: Mar 03, 2023

Accepted: Mar 23, 2023

DOI: https://doi.org/10.2478/aei-2023-0002

Keywordsforce sensing, magnetoelastic sensor, magnetostriction, tensile stress, Villari effect

© 2023 Šimon Gans et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
force sensing, magnetoelastic sensor, magnetostriction, tensile stress, Villari effect