第36卷第2期2023年2月传感技术学报CHINESEJOURNALOFSENSORSANDACTUATORSVol.36No.2Feb.2023项目来源:山西省自然科学基金面上项目(201801D121162)收稿日期:2022-03-02修改日期:2022-05-30PassiveWirelessRotaryDragReductionRateMeasurementBasedonNFC*WANGWenlian1,2,ZHAOYongfeng1,2,WANGYu1*(1.KeyLaboratoryofInstrumentationScience&DynamicMeasurementofMinistryofEducation,NorthUniversityofChina,TaiyuanShanxi030051,China;2.NationalKeyLaboratoryofElectronicMeasurementTechnology,NorthUniversityofChina,TaiyuanShanxi030051,China)Abstract:NFCissuitableforstabledataacquisitionandwirelessinteractionintherotatingstate,anditspassivefeaturemakesthede-signoftheacquisitionterminalmorecompactandflexible,whichcanavoidthelinebindingofthemeasurementsystemintherotatingprocessandtheseriouserrorscausedbyoff-axisdata.ApassivewirelessmeasurementsystembasedonNFC(ISO15693protocol)isde-signedtomeasurethedragreductionrateofaspecialspraymaterialbyusingrotatingmethod.Thecontrolgroupissetandrepeatedformanytimesduringthemeasurementprocess,andtherelationshipbetweenthedragreductionrateandthethicknessofthedragreductioncoatingisobtainedundertheconditionofconstantspeed,andtherelationshipbetweenthedragreductionrateandthespeedisobtainedundertheconditionofconstantthicknessofthedragreductioncoating.Throughtheanalysisoftheexperimentaldata,itisshownthatthesystemcanaccuratelymeasurethedragreductionrateofthedragreductionmaterialintherotatingstate.Keywords:NFC;Passivewireless;controlgroup;torqueEEACC:7230doi:10.3969/j.issn.1004-1699.2023.02.003基于NFC的无源无线旋转式减阻率测量*王文廉1,2,赵永峰1,2,王玉1*(1.中北大学仪器科学与动态测试教育部重点实验室,山西太原030051;2.中北大学电子测试技术国家重点实验室,山西太原030051)摘要:NFC适用于旋转状态下稳定的数据采集与无线交互,且其无源的特点使得采集端的设计更为小巧灵活,可避免旋转过程中测量系统的线路束缚和因偏轴对数据造成的严重误差。据此设计了一种基于NFC(ISO15693协议)的无源无线测量系统,采用旋转法对一种特制喷涂减阻材料的减阻率进行测量。测量过程...