基于多傳感器的氫氣泄漏檢測技術(shù)研究.pdf

1、聲明本學(xué)位論文是我在導(dǎo)師的指導(dǎo)下取得的研究成果，盡我所知，在本學(xué)位論文中，除了加以標(biāo)注和致謝的部分外，不包含其他人已經(jīng)發(fā)表或公布過的研究成果，也不包含我為獲得任何教育機(jī)構(gòu)的學(xué)位或?qū)W歷而使用過的材料。與我一同工作的同事對本學(xué)位論文做出的貢獻(xiàn)均己在論文中作了明確的說明。、研究生簽名：星趨盤加J3年多月厶日學(xué)位論文使用授權(quán)聲明南京理工大學(xué)有權(quán)保存本學(xué)位論文的電子和紙質(zhì)文檔，可以借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容，可以向有關(guān)部門或機(jī)構(gòu)送交

2、并授權(quán)其保存、借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容。對于保密論文，按保密的有關(guān)規(guī)定和程序處理。研究生簽名：肇壟矽侈年多月沙日碩士論文基于多傳感器的氫氣泄漏檢測技術(shù)研究AbtractAsthecleanenergywithhighcombustionefficiencyandlesspollutionhydrogenhasbeenwidelyappliedintochemicalindustryandthefieldsofaerosp

3、aceandmilitarypracticeHydrogenmoleculeisSOtinythatit’Slikelytoleakduringtheprocessofmanufacture，transportationMeanwhile，itwillleadtoexplosionwhentheconcentrationofhydrogenintheairismorethan4％Astothehydrogenleakageinthema

4、nufacture，transportationandstorage，thispaperconductsthestudyonamultisensortechniquesforhydrogenleakdetectionWithreferencetothetechnicalqualifications，nationalregulations，theapplicationsofthesystemandsomeotherrelevantfact

5、ors，themaintechnicalqualificationsofthissystemisestablishedGeneraldesignofthesystemisobtmnedandthecomponentsofthesystemareintroducedMeanwhile，thedetectionprincipleandfunctionsofsystem’ScomponentsarediscussedThesystemtake

6、smetallicoxidehydrogensensorsintopracticeaftertheanalysisofthecharacteristicsofdifferentsensorsThesensitivitiesandresponsecharacteristicsofthesensorareanalyzedAsthesensorhasthedrawbacksthattemperaturechangewillinluenceit

7、ssensitivities，itstemperaturecharacteristicsarestudiesbasedontheanalysisofexperimentaldataAtthesametemperatme，differentsensorshassimilarchangeratesofresistorsinpureairthedivisionofresistorandstandardresistorThetemperatur

8、ecompensationisaccomplishedwithsubtractionofresistorchangeratebetweenthedetectivesensorsandreferencesensorsConsequentlytheinfluenceoftemperaturechangetotheleakagemeasurementisreducedThemulti—sensortestdataisprocessedbyme

9、ansofamethodbasedonthebatchestimationfusionofsinglesensorandthegroupingadaptiveweightedfusionofsensorsAsindicatedbythesimulationdatatheprocessingresultsofthemethodsputforwardareclosertotherealdataWithMSP430F149asthecontr

10、olunit，thedataacquisitionarerealizedTheworkingcircuitsofsensors，second—orderlow—passfiler，thepowerswitchingcircuitsandtheserialportcommunicationcircuitsaredesignedThecircuitsofthesystemaretestedbytheintrinsicsafetyregula

11、tionsAfterthedesignofhardware，theprogramofA／DandserialportcommunicationsofslavecomputerareworkedoutThentheprogramofserialportcommunication，dataacquisitionanddisplaytemperaturecompensation，calculationsofhydrogenconcentrat