Design of a flat-type magnetic position sensor using a finite-difference method

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F20%3A00340162" target="_blank" >RIV/68407700:21230/20:00340162 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1049/iet-smt.2019.0197" target="_blank" >https://doi.org/10.1049/iet-smt.2019.0197</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1049/iet-smt.2019.0197" target="_blank" >10.1049/iet-smt.2019.0197</a>

Result language
angličtina
Original language name
Design of a flat-type magnetic position sensor using a finite-difference method
Original language description
This study presents an analysis and the design of a new flat-type position sensor with an external armature. One excitation coil and two antiserially connected pickup coils are used in the stationary part. Solid iron segments or steel lamination segments are used for the moving armature. The proposed position sensor was modelled using linear movement. A two-dimensional finite-difference method was developed and was used for fast analysis for optimising the sensor. The induced eddy currents in the solid armature were taken into account in the finite-difference analysis. The finite-difference calculations were compared with 2D and 3D finite-element method simulations and with experimental results. The sensor has a total error of 0.23 mm root-mean-square for 36 mm range without any compensation. Unlike previous designs, the authors’ new sensor has no moving coil.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20201 - Electrical and electronic engineering

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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