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ID:58072061
大小:1.57 MB
页数:6页
时间:2020-04-22
《基于带电直导线周围磁场的磁传感器动静态特性标定方法-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、第27卷第10期传感技术学报Vol?27No?102014年10月CHINESEJOURNALOFSENSORSANDACTUATORSOct.2014CalibrationMethodBasedontheMagneticFieldAroundtheWireElectricStraightStaticandDynamicPropertiesofMagneticSensors11ꎬ2∗11LAIZhengxiꎬZHANGXiaomingꎬYANGGuohuanꎬZHAODaidi(1.InstrumentsandElectronicEngineeringꎬNorthUniversity
2、ꎬTaiyuan030051ꎬChinaꎻ2.KeyLaboratoryforElectronicMeasurementTechnologyꎬNorthUniversityꎬTaiyuan030051ꎬChina)Abstract:Currentlymagneticsensorsusedforstaticorquasi ̄staticmagneticfieldofenvironmentalmeasuringꎬwhenrapidchangesinthemeasuredmagneticfieldvectorꎬthedynamiccharacteristicsofthemagneticsen
3、sorisakeyfactoraffectingthemeasurementaccuracy.Forthetestsiteenvironmentisdifficulttogenerateastandardhigh ̄frequencyalternatingmagneticfieldexcitationsourcecausingthedynamiccharacteristicsofthemagneticsensorcalibrationproblemcannotbequicklyandaccuratelyꎬthispaperpresentsamagneticsensorbasedonth
4、emagneticfieldaroundastraightwireelectrifiedstaticanddynamiccharacteristicsofrapidfieldcalibrationmethod.ThearticlefirstproposedandconstructedastandardsbasedwidebandchargedstraightwiremagneticfieldgeneratorꎬusingtheBiot ̄Savartlawanalysisofthedistributionofthemagneticfieldaroundachargedstraightw
5、ireꎻfollowedbyloadingthetypicalalternatingexcitationcurrentinlongstraightwireꎬtypicalalternatingmagneticfieldwasproduced.ThedynamiccharacteristicsofthemagneticsensorwascalibratedbyusingsystemidentificationmethodsꎻFinallyꎬavectormagneticsensormeasurementsystemintimedomainꎬfrequencydomaindynamicm
6、odelcalibration.Experimentalresultsshowthattheproposeddynamicmodelofthemagneticsensorcalibrationmethodissimpleꎬrapidꎬefficientandaccurateadvantagesofvarioustypesofindustrialsitetofacilitatestaticanddynamiccharacteristicsofthemagneticsensorcalibration.Keywords:magneticsensorꎻhighfrequencystandar
7、dmagneticfieldsourceꎻdynamiccharacteristicꎻcalibrationmethodEEACC:5150doi:10.3969/j.issn.1004-1699.2014.10.008基于带电直导线周围磁场的磁传感器动静态特性标定方法11ꎬ2∗11赖正喜ꎬ张晓明ꎬ杨国欢ꎬ赵代弟(1.中北大学仪器与电子学院ꎬ太原030051ꎻ2.中北大学电子测试技术重点实验室ꎬ太原030051)摘要:目前磁传感器多用于对静态或准静态磁场环
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