用于磁电阻率探测的矢量线圈传感器设计与优化（英文）-豆柴文库

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用于磁电阻率探测的矢量线圈传感器设计与优化（英文）
DesignandOptimizationofVectorCoilsSensorsforMagnetoresistanceDetection
Abstract
Magnetoresistanceisaphenomenoninwhichtheresistanceofamaterialchangesinthepresenceofamagneticfield.Magnetoresistancedetectioniswidelyusedinmagneticsensors,suchascompasses,magneticfielddetectors,andmagneticencoders.Vectorcoilsensorsareatypeofmagnetoresistancesensorthatcanmeasureboththemagnitudeanddirectionofamagneticfield.Inthispaper,wepresentadesignandoptimizationofvectorcoilssensorsformagnetoresistancedetection.Weanalyzetheperformancecharacteristicsofvectorcoilssensors,includingsensitivity,linearity,andnoise.Wealsodiscusstheoptimizationofthesensorparameters,suchasthenumberofturns,theshapeofthecoils,andthematerialsused.Theresultsshowthattheoptimizedvectorcoilssensorhashighsensitivity,excellentlinearity,andlownoise,makingitsuitableforvariousapplicationsinmagnetoresistancedetection.
Introduction
Magnetoresistanceisaphenomenoninwhichtheresistanceofamaterialchangesinthepresenceofamagneticfield.Thisphenomenonhasbeenobservedinvariousmaterials,suchasmetals,semiconductors,andmagneticmultilayers.Magnetoresistancedetectioniswidelyusedinmagneticsensors,suchascompasses,magneticfielddetectors,andmagneticencoders.Therearetwotypesofmagnetoresistance:AnisotropicMagnetoresistance(AMR)andGiantMagnetoresistance(GMR).AMRisthechangeinresistanceofamaterialwhenthemagneticfieldisappliedperpendiculartotheelectronflow,whileGMRisthechangeinresistanceofamaterialduetothespin-dependentelectrontunneling.Inthispaper,wefocusonthedesignandoptimizationofvectorcoilssensorsforGMRmagnetoresistancedetection.
Vectorcoilsensorsareatypeofmagnetoresistancesensorthatcanmeasureboththemagnitudeanddirectionofamagneticfield.Avectorcoilsensorconsistsoftwoormorecoilsplacedorthogonallytoeachother.Themagneticfieldinducesacurrentineachcoil,andthecombinedsignalsfromthecoilsareusedtodeterminethemagnitudeanddirectionofthemagneticfield.Vectorcoilsensorshaveseveraladvantagesoverothertypesofmagneticsensors.Theyaresensiti