石油產(chǎn)品閉口閃點檢測儀研究.pdf

1、大連理工大學(xué)碩士學(xué)位論文石油產(chǎn)品閉口閃點檢測儀研究姓名：修偉申請學(xué)位級別：碩士專業(yè)：精密儀器與機械指導(dǎo)教師：張元良20081201石油產(chǎn)品閉口閃點檢測儀研究TheResearchofPetroleumProductsClosedCupFlashPointTesterAbstractPetroleumproductsclosedcupflashpoint(PPCFP)，whichreflectsthequalityandsafetyofp

2、etroleumproducts，isolleofthenecessarytestingindexsCompareedwiminternationaltesters，therearestillalotofnecessaryimprovementsfordomesticPPCFPtestersinmanyaspectssuchasprecision，stabilityefficiencyandoperationinterfaceAccor

3、dingtothetwoteststandardsfor也edeterminationofPPCFPGB／T261issuedbyPRCandASTMD93issuedbyAmericanSocietyofTestingMaterialsanautomaticPPCFPtestingsystemwithhi曲precision，highreliabilityandconvenientoperationisdesignedAcoresol

4、utionwimMSP430F169ascontrolunitandEPM240ascoprocessorforinterfacesandfunctionsisdesigned16bitA／DConverterAD7705Wim∑△technologyisusedtodeveloptheprecisionAninternalextendedbusbasedonRS232isdesignedtoenhancetheexpansibilit

5、yoftheinstrumentAtsanletime，LCDControllertouchscreenControllerandflashdisckreaderaresuccessfullyconnectedonthebus嘶1ePtl00temperaturesensorisusedteplaceliquidthermometerinautomatictestinginstrumentsofpetroleumproducts，the

6、rearediscriminationsondynamiccharacteristicwhichbringerrorstomeasuringSo，dynamiccharacteristicofPtl00temperaturesensormustbecompensatedbasedontheliquidthermometermSPaperanalysesthemathematicalmodelsofsheathedPtl00sensora

7、ndGB1mercurythermometerandintroduces3rdordermodeltodescribethedynamiccharacteristicofsheathedPtl00sensorforthefirsttimeTheirtransferfunctionsareevaluatedviastepresponseexperiments，assistedwithsimulationusingMATLABsoftwar

8、eAcompensationalgorithmbasedontransferfunctionsispresentedwhichcallbeusedtomaketheformerapproachthelatterondynamiccharacteristicInpractice，thealgorithmcarlgetbetterCompensationeffectthanthetraditionalmethodwhichcompensat

9、eswithaselectedstatictemperatureCUlVe，andalsoCanbeusedintemperaturemeasurementsystemsinwhichdynamiccharacteristicofsensorsaredeftnitelyrequiredThedebuggingandrunningofthePPCFPtesterindicatethatithasthecharacteristicsofsi

10、mplerstructure，lowerCO甌easieroperationhigherrehabilityandfriendlyinterfaceItbringstheworkingefficiencyandtheaccuracymeetstheneedofproductionandpossessesgoodvalueofpromotionKeyWords：ClosedcupFlashPoint；TemperatureMeasurin