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Lagging-domain model for compensation of hysteresis of xMR sensors in positioning applications
ID Domajnko, Dora (Author), ID Križaj, Dejan (Author)

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Abstract
The hysteresis of magnetoresistive sensors remains a considerable cause of inaccuracy of positioning applications. The phenomena itself has been well studied and described by different physical and phenomenological models. Various biasing techniques have been proposed. However, the increased fabrication and computational price they require is undesirable. In this paper, a computational algorithm for the compensation of hysteresis of linear and rotary encoders is proposed. A lagging-domain model based on play operators is presented for prediction of hysteresis. The outlined procedure for the calibration of parameters allows the use of the algorithm for various types of encoders without knowing their exact material properties. The method was tested on different anisotropic magnetoresistive and tunneling magnetoresistive sensors. Results show that the impact of hysteresis was reduced by up to 90% without a significant increase of computational time or production costs.

Language:English
Keywords:magnetoresistive sensors, Lagging-domain model, hysteresis, compensation, play operator
Work type:Article (dk_c)
Typology:1.01 - Original Scientific Article
Organization:FE - Faculty of Electrical Engineering
Year:2018
Publication status in journal:Published
Article version:Publisher's version of article
Number of pages:14 str.
Numbering:Vol. 18, iss. 7, art. 2281
UDC:628
ISSN on article:1424-8220
DOI:10.3390/s18072281 This link opens in a new window
COBISS.SI-ID:34093785 This link opens in a new window
Publication date in RUL:01.10.2021
Views:150
Downloads:58
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Record is a part of a journal

Title:Sensors
Shortened title:Sensors
Publisher:MDPI
ISSN:1424-8220
COBISS.SI-ID:10176278 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:14.07.2018

Secondary language

Language:Slovenian
Keywords:magnetoresistivni senzorji, model Lagging-domain

Document is financed by a project

Funder:Drugi - Drug financer ali več financerjev
Funding programme:RLS d.o.o.

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