壓力傳感器和變送器校準檢定系統(tǒng)的設(shè)計與開發(fā).pdf

1、南開大學(xué)碩士學(xué)位論文壓力傳感器和變送器校準檢定系統(tǒng)的設(shè)計與開發(fā)姓名：趙本義申請學(xué)位級別：碩士專業(yè)：測試計量技術(shù)與儀器指導(dǎo)教師：朱箭20070401AbstractAbstractPressure仃msdu嗽andpressuretransmitterpossessthecharacteristicsofhighaccuracyofmeasurement、gooddynamicresponseandhighsensitivityBesid

2、es，theycallbeusedsafelyandreliablyandc趾transferthem(Ⅺsuringsingletoafartherdistancethananaloginstruments，SOtheyarcappliedtoindustryandagriculture、nationaldefencoandscientificresearchInordertoashirethemk∞p鯽p既珥趕blm趣lcealla

3、longitisnecessarytodistinguishtheirchalaoteraccordingunifiedstandardbyprofessionalworkerbecausetheycannottransferinformationtocomputerdirectlyAtpresentitisthemainwaythatrecodeandprocessdatawhichproduceinthecoUr∞ofcalibra

4、tionandverificationbymanthiswayhasmanyweakness，forexample，loadoftheworkistoomuchcourseoftheworkistoocomplexanditiseasytoimportthehumanerror啪thedevelopmentofautomaticcontrolandm舶s哦tcchnlogypressuretransducerandpressuretra

5、nsmitter躺usedinmoreandmoreaspects11圮actualmethodsofcalibration雒dverification躺notadaptedtothenc％vconditionsofdevelopmentInthispaperwedesignasetofsystemOIlthisquestionandfactualconditioninengineeringWecancalibrateandverifi

6、catethemonthespotbythesystemAtthesametimeWecanalsoprocessthedataanddrawtheconclusionautomaticallyBytheconclusionwecananalysefarthertheircharacteristics。Inordertoincreasetheirprecisionweadvanceandadopttwonewmethods，oneist

7、hatdescribetheirtransferfunctionusingconictheotheristhatcompensatethetemperatureeffectusinglinearinterpolation。Thedata缸a伍cint毹acemanufacturedbyUScaneasilycommunicatewiththedisplaymodulethatisusedwithpressureHRllsduccrand

8、transmittercurrentlyThedataprocessingsystemadoptthenewtechniqueoncomputerandmctrologyinglobalitgetswiththerequiresofmodernizedagricultureandindustryandtheuendofinstrumentAninanitisimportanttoadvanceagricultmandindumyandn