<abstract xmlns="http://www.w3.org/1999/xhtml">
<p>Proximity sensors are devices found in many fields of activity from the automotive area to robotics and beyond. Among them, proximity sensors occupy an important place due to their low price and reliable response. They are found in a wide range of sizes and detection distances. In this work, a  comparative  study  was  carried  out  on  two  constructive solutions - one shielded and one unshielded. The response provided by the sensor was followed through a 2D FEMM analysis varying a series of parameters: the material from which the target is made, the distance between the target and the sensor, as well as its operating frequency. The results highlight the influence of these parameters by changing some quantities of a magnetic nature such as the spectrum of the magnetic flux  density,  the  magnetic  energy  stored  by the target, respectively the inductance of the sensor coil. </p>
</abstract>

Proximity sensors are devices found in many fields of activity from the automotive area to robotics and beyond. Among them, proximity sensors occupy an important place due to their low price and reliable response. They are found in a wide range of sizes and detection distances. In this work, a  comparative  study  was  carried  out  on  two  constructive solutions - one shielded and one unshielded. The response provided by the sensor was followed through a 2D FEMM analysis varying a series of parameters: the material from which the target is made, the distance between the target and the sensor, as well as its operating frequency. The results highlight the influence of these parameters by changing some quantities of a magnetic nature such as the spectrum of the magnetic flux  density,  the  magnetic  energy  stored  by the target, respectively the inductance of the sensor coil.

Numerical Analysis of Inductive Proximity Sensors for Non-Ferrous Targets

University POLITEHNICA of Bucharest, Romania

The Scientific Bulletin of Electrical Engineering Faculty

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

{"article-title":"Numerical Analysis of Inductive Proximity Sensors for Non-Ferrous Targets"}

Proximity sensors are devices found in many fields of activity from the automotive area to robotics and beyond. Among them, proximity sensors occupy an...

Numerical Analysis of Inductive Proximity Sensors for Non-Ferrous Targets

Published Online: Sep 14, 2023

Page range: 72 - 77

DOI: https://doi.org/10.2478/sbeef-2023-0012

Keywords
Numerical analysis, shielded inductive proximity sensors, unshielded inductive proximity sensors

© 2023 Maria-Cătălina Petrescu et al., published by Sciendo

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

Numerical Analysis of Inductive Proximity Sensors for Non-Ferrous Targets

Published Online: Sep 14, 2023

Page range: 72 - 77

DOI: https://doi.org/10.2478/sbeef-2023-0012

KeywordsNumerical analysis, shielded inductive proximity sensors, unshielded inductive proximity sensors

© 2023 Maria-Cătălina Petrescu et al., published by Sciendo

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

Keywords
Numerical analysis, shielded inductive proximity sensors, unshielded inductive proximity sensors