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A novel magnetostrictive curvature sensor employing flexible, figure-of-eight sensing coils

Moreton, Gregory, Meydan, Turgut and Williams, Paul 2016. A novel magnetostrictive curvature sensor employing flexible, figure-of-eight sensing coils. IEEE Transactions on Magnetics 52 (5) , pp. 1-4. 10.1109/TMAG.2016.2520828

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Abstract

The demand for accurate angle measurements in a form that is robust and small is high, due to the advances in virtual reality applications, primarily the virtual reality headsets. The peripheral devices are required to completely immerse the user in a virtual reality setting, and for this purpose, a robust sensor has been developed. The angle measurements can also be used in motion sensing applications for medical purposes, allowing monitoring of a patient’s condition. This paper presents the development of a planar figure-of-eight coil sensor, which has been designed for the purpose of curvature sensing. The copper-plated polyimide material, FR4 FLEX, was used for the fabrication of the planar figure-of-eight coil. A curvature sensor was designed and consists of the figure-of-eight coil along with the magnetostrictive material Metglas 2605SA1. The sensor was incorporated in an oscillator circuit, where curvature-induced stress within the material changes the amplitude and the frequency of the output signal of the circuit.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Uncontrolled Keywords: Coils, Amorphous magnetic materials, Magnetostriction, Robot sensing systems, Virtual reality
Publisher: IEEE
ISSN: 00189464
Funders: EPSRC
Date of First Compliant Deposit: 28 April 2016
Date of Acceptance: 12 January 2016
Last Modified: 08 May 2019 01:58
URI: http://orca.cf.ac.uk/id/eprint/90130

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