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1、毕业论文外文参考文献参考一：Abstract:Inordertosolvetheweightproblemoftenencounteredinmeasuringthelow-massobjectsinthetradeanddailylifeofthemodernbusiness,thedesignofanewpocket-sizedelectronicscales.Thispocket-sizedelectronicscalesForceSensorgravitysignalsintoelectricalsignalstomeasure,andmeasuring
2、theresultsofthedigitaldisplay.Thepocket-sizedelectronicscaleswithasmallsize,lightweight,easytocarry,intuitivedisplay,measurementandhighprecision;complexstructure,thecostdisadvantages.Thisarticlefocusesontheloadcellworks,errorcompensation,themainparametersofselection.Andthetechnicalan
3、deconomicanalysis.Keywords:pocket-sizedelectronicscales;weighing;sensor;errorcompensationCLC1AneedsanalysisInmoderncommerceandtradeandeverydaylife,oftenencountertheproblemofmeasuringtheweightofthelow-massobjects.Althoughthetraditionalsteelyardcansolvethisproblem,butinconvenienttocarr
4、y,theefficiencyisnothigh,thedisplayisnotintuitiveandlowmeasurementaccuracy;mechanicalspringbalancecansolvethisproblem,buttheinertiainherentlowfrequency,highsensitivity,measurementaccuracyisnothigh.Withtheprogressandupdateofthemicro-computertechnology,integratedcircuittechnology,senso
5、rtechnology,electronicscalesrapiddevelopment,ithasaresponsive,highaccuracy,fullyfunctional,thedisplayisintuitive,compact,easytouseandsoon.Forthesereasons,inordertosolvethelow-massobjectsweighingproblem,ifasmallsize,lightweight,portable,digitaldisplayelectronicscales,willbepopular.Dis
6、cussedbelow,thatis,thescopeofaweighing5kgcompactelectronicscales.2DesignTheprincipleofthestructureofthepocket-sizedelectronicscalesshowninFigure1.Themaintaskistodesigncompactelectronicscalesweighingthechoiceoftheforcesensors.Dynamometersensortypestoachievetheweighinganddigitaldisplay
7、,thekeyistowanttoforce(gravity)signalsintoelectricalsignalstomeasuremethodismainlydividedintotwocategories:oneisthedirectmethod,namelytheuseofpressuremagneticsensor,piezoelectricsensor,Piezoresistivesensorsdirectlytotheforcesignalconvertedintoelectricalsignals;theotheristheindirectme
8、thod,theelas
