Novel Giant Magnetoimpedance Magnetic Field Sensor

Piotr Gazda , Roman Szewczyk


The idea, design, and tests of the novel GMI sensor are presented, based on the compensation measurement principle, where the local ‘zero‐field’ minimum of the double‐peak characteristic was utilized as a sensitive null detector. The compensation field was applied in real‐time with the help of microprocessor‐based, two‐step, quasi‐Newtonian optimization. The process of material parameters optimization through Joule‐annealing of chosen amorphous alloys is described. The presented results of the prototype test unit show linear output characteristic, low measurement uncertainty, and resistance against time and temperature drift.
Author Piotr Gazda (FM / IMBE)
Piotr Gazda,,
- The Institute of Metrology and Biomedical Engineering
, Roman Szewczyk (FM / IMBE)
Roman Szewczyk,,
- The Institute of Metrology and Biomedical Engineering
Journal seriesSensors, [SENSORS-BASEL], ISSN 1424-8220, e-ISSN 1424-3210
Issue year2020
Publication size in sheets0.7
Keywords in Englishgiant magnetoimpedance, magnetic field sensor, compensation measurements
ASJC Classification1303 Biochemistry; 1602 Analytical Chemistry; 2208 Electrical and Electronic Engineering; 3107 Atomic and Molecular Physics, and Optics
Languageen angielski
Score (nominal)100
Score sourcejournalList
ScoreMinisterial score = 100.0, 03-07-2020, ArticleFromJournal
Publication indicators WoS Citations = 0; Scopus Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 1.393; WoS Impact Factor: 2018 = 3.031 (2) - 2018=3.302 (5)
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