磁力矩传感器论文中英文对照资料外文翻译文献

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1、电磁阀外文翻译12附录Ⅰ：MagnetoelasticTorqueSensorUtilizingaThermalSprayedSense-ElementforAutomotiveTransmissionApplicationsBrianD.KilmartinSiemensVDOAutomotiveCorporationABSTRACTAMagnetoelasticbasedNon-Contacting,Non-CompliantTorqueSensorisbeingdevelopedbySiemensVDOforautomotivetr

2、ansmissionapplications.Suchasensorwouldbenefittheautomotiveindustrybyprovidingthefeedbackneededforprecisecomputercontroloftransmissiongearshiftingunderawiderangeofroadconditionsandwouldalsofacilitatecross-platformusageofacommontransmissionunit.SiemensVDOhasprototypedtran

3、smissiontorquesensorsoperatingontheprincipleofInverse-magnetostriction,alsoreferredtoastheInverse-JouleEffectandtheVillariEffect.Magnetostriction,firstdocumentedinthemid1800’s,isastructuralpropertyofmatterthatdefinesamaterial’sdimensionalchangesasaresultofexposuretoamagn

4、eticfield.Magnetostrictioniscausedwhentheatomsthatconstituteamaterialreorientinordertoaligntheirmagneticmomentswithanexternalmagneticfield.Thiseffectisquantifiedforaspecificmaterialbyitssaturationmagnetostrictionconstant,whichisavaluethatdescribesamaterial’smaximumchange

5、inlengthperunitlength.Inverse-magnetostriction,conversely,defineschangesinamaterial’smagneticpropertiesinresponsetoappliedmechanicalforces.Materialthatishighlymagnetostrictiveandelasticinnatureisreferredtoasbeingmagnetoelastic.ThepremiseoftheSiemensVDOtorquesensordesigni

6、sthatamagnetoelasticmaterialcanbebondedtoacylindricalshaftandmagnetizedinitsmechanicalquiescentstatetocreateasense-element.Whileundertorque,principletensileandcompressivestressvectorsintheformofcounter-spiraling,mutuallyorthogonalhelicesdevelopintheshaftandareconveyedtot

7、hemagnetoelasticsense-elementgivingrisetoameasurablemagneticfieldchange.Themagneticfielddeviationthatarisesfromthemagnetoelasticsense-elementisdirectlyproportionaltothemagnitudeoftheimposedtorque.Ineffect,themagneticfieldismodulatedbytorque.Asensitivemagnetometerthentran

8、slatesthefieldstrengthintoananalogvoltagesignal,therebycompletingthetorque-to-voltagetransducerfunction