Improving the performance of helical motion resolver based on accurate modelling of longitudinal end effect

Abstract Using multiple position sensors in the control system of Two‐Degrees of Freedom (2‐DOF) motors causes it more complicated than that of conventional 1‐DOF ones. However, employing a 2‐DOF position sensor in comparison with two independent sensors, reduces the complexity, mass and volume of t...

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Main Authors: Fateme Zare, Zahra Nasiri‐Gheidari
Format: Article
Language:English
Published: Wiley 2022-10-01
Series:IET Electric Power Applications
Online Access:https://doi.org/10.1049/elp2.12221
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author Fateme Zare
Zahra Nasiri‐Gheidari
author_facet Fateme Zare
Zahra Nasiri‐Gheidari
author_sort Fateme Zare
collection DOAJ
description Abstract Using multiple position sensors in the control system of Two‐Degrees of Freedom (2‐DOF) motors causes it more complicated than that of conventional 1‐DOF ones. However, employing a 2‐DOF position sensor in comparison with two independent sensors, reduces the complexity, mass and volume of the system. The common 2‐DOF sensors are able to determine the position in linear, rotational, and helical motion. Yet, they suffer from accuracy reduction due to the longitudinal end effect. Therefore, analytical modelling and the relevant compensation methods are discussed. The accuracy of the model is approved by comparing its results with those of 3D time transient finite element method. Afterwards, the model is used for compensating the end effects. Finally, the optimised 2‐DOF resolver is prototyped and tested. The result of experimental test shows the proposed resolver's success.
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spelling doaj.art-b9d5457d19a7499b8369b9c42d1eba5a2022-12-22T01:50:55ZengWileyIET Electric Power Applications1751-86601751-86792022-10-0116101212122210.1049/elp2.12221Improving the performance of helical motion resolver based on accurate modelling of longitudinal end effectFateme Zare0Zahra Nasiri‐Gheidari1Electrical Engineering Department Sharif University of Technology Tehran IranElectrical Engineering Department Sharif University of Technology Tehran IranAbstract Using multiple position sensors in the control system of Two‐Degrees of Freedom (2‐DOF) motors causes it more complicated than that of conventional 1‐DOF ones. However, employing a 2‐DOF position sensor in comparison with two independent sensors, reduces the complexity, mass and volume of the system. The common 2‐DOF sensors are able to determine the position in linear, rotational, and helical motion. Yet, they suffer from accuracy reduction due to the longitudinal end effect. Therefore, analytical modelling and the relevant compensation methods are discussed. The accuracy of the model is approved by comparing its results with those of 3D time transient finite element method. Afterwards, the model is used for compensating the end effects. Finally, the optimised 2‐DOF resolver is prototyped and tested. The result of experimental test shows the proposed resolver's success.https://doi.org/10.1049/elp2.12221
spellingShingle Fateme Zare
Zahra Nasiri‐Gheidari
Improving the performance of helical motion resolver based on accurate modelling of longitudinal end effect
IET Electric Power Applications
title Improving the performance of helical motion resolver based on accurate modelling of longitudinal end effect
title_full Improving the performance of helical motion resolver based on accurate modelling of longitudinal end effect
title_fullStr Improving the performance of helical motion resolver based on accurate modelling of longitudinal end effect
title_full_unstemmed Improving the performance of helical motion resolver based on accurate modelling of longitudinal end effect
title_short Improving the performance of helical motion resolver based on accurate modelling of longitudinal end effect
title_sort improving the performance of helical motion resolver based on accurate modelling of longitudinal end effect
url https://doi.org/10.1049/elp2.12221
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