基于LabVIEW的氣渦輪流量計標定裝置的設計與實現(xiàn).pdf

1、天津大學碩士學位論文基于LabVIEW的氣渦輪流量計標定裝置的設計與實現(xiàn)姓名：劉運明申請學位級別：碩士專業(yè)：控制科學與工程指導教師：姜印平201112ABSTRACTWiththerapiddevelopmentofindustrialmodernization，especiallythefastprogressofWestEastGasProjectandthegeneralimprovementoftheresidents’gasu

2、tilizationrate，theaccuratemeasurementofgasflowhaveshownmoreandmoreimportanceinourcountryGasturbineflowcalibrationdeviceisacalibrationdeviceforcalibrationvariousperformanceindicatorsofgasturbineflowmetenTherearealargenumb

3、erofworksrelatedtomegasturbineflowmeterforthoseofgasturbineflowmetermanufacturers，whichallneedthegasturbineflowcalibrationdevicetocompleteAsetofgasturbineflowmetercalibrationdevicewithmeasurementprecisionandconvenientope

4、rationisofgreatsignificanceforscientificresearchandproductionactivitiesTypicallythecalibrationsystemsofconventionalgasturbineflowcalibrationdevicearemanualorsemiautomaticTheyhavemanyshortsTheoperationprocessisverycomplex

5、，thedataverificationprocessevenneedsartificialrecords，sometimesthetestresultsrequiresmanuallycalculated，samplingtimesynchronizationisnoteasytocontrol，alsothecalibrationspeedistooslowandtheerrorratioisveryhigh，allofwhichg

6、reatlylimitstheimprovementoflaborproductivityThispaperbeganwithintroductionofthevirtualinstrumenttechnologyFirstthevirtualinstrumenttechnology’Sdomesticdevelopmentstatus，characteristicsandadvantageswerepersentedandtheflo

7、wmeter’SworkingprincipleandtheclassificationweredescribedThentheimplementationofHardwarecircuitandmechanicaldesignwasintroduced，includingtheselectionofsensors，designationofsignalconditioningcircuit，theuseofthedataacquisi

8、tioncardPCI8333，andthedesignofmechanicalprocessingstructureandSOonWhat’Smore，thePIDcontrolalgorithmofInverterwasfocusedon，andtheprocessandmethodtoachievePIDcontrolwereexplainedFinallyarealtimedisplaycontrolsystemwithfrie

9、ndlymanmachineinterface，goodmeasurementaccuracyandhighefficiencyoperationwasdesignedinthecombinationofLabVIEWwhichisaperfectgraphicalprogrammingsoftwareKEYWORDS：GasturbineflowmeterCalibrationdevice，Virtualinstrument，LabV