簡介：南京航空航天大學(xué)碩士學(xué)位論文航空公司可靠性維修管理研究姓名何云松申請學(xué)位級別碩士專業(yè)飛行器設(shè)計指導(dǎo)教師顧怡徐民筑20000301航空公司可靠性維修管理研究ABSTRACTTHEDEVELOPMENTOFTHEMAINTENANCEVIEWFOCUSING0NRELIABILITYISREVIEWEDINTHETHESIS，ANDTHEWORKINGCOURSEOFTHEMANAGEMENTABOUTMAINTENANCERELIABILITYISCOVEREDIT’SBASICIDEAISTOCONTROLEVERYFACTORWHICHAFFECTSRELIABILITYANDTOFEEDBACKANDADJUSTSOASTOENSURETHERELIABILITYANDTHEECONOMICSOFTHEAIRLINETRANSPORTATIONTHEBASICFRAMEOFTHEMAINTENANCERELIABILITYAPPLYINGTOTHEMANAGEMENTOFTHERELIABILITYCENTEREDMAINTENANCERCMISREVIEWED，ANDTHEMETHODOFTHEALERTVALUEANDSOMESTATISTICSANALYSISMETHODSAREINTRODUCEDBRIEFLYANDCOMPLETELYTHENTHEMODEL’SLIMITATIONONTHECOU／SCOFAPPLYINGISPOINTEDOUT，ANDFOCUSINGONTHEACTUALREASON，THESOLUTIONISBROUGHTFORWARD，ANDFURTHERTHEPURPOSEANDMETHODOFMAINTENANCEOPTIMISMISPUTFORWARDINTHISTHESISTHEMANAGEMENTOFRCMHASDOUBLECHARACTERISTIC，ONEISTECHNICAL，THEOTHERISMANAGINGTHESUCCESSOFTHEMANAGEMENTOFRCMISHIGHLYDEPENDENTOFACLOSECOOPERATIONANDASTRONGINVOLVEMENTBETWEENALLTHEDEPARTMENTSOFTHEORGANIZATIONKEYWORDRETIABILITYRELIABILITYCENTEREDMAINTENANCEALERTVALUE第11頁

簡介：中國科學(xué)院空間科學(xué)與應(yīng)用研究中心博士后學(xué)位論文航天器自主導(dǎo)航和深空導(dǎo)航中的軌道動力學(xué)研究姓名劉迎春申請學(xué)位級別博士后專業(yè)空間物理學(xué)指導(dǎo)教師林寶軍20040901ABSTRACTTHISTECHNIQUEREPORTISTHESUMMARYOFTHEPOSTDOCTORALWORK，WHICHISFOCUSONORBITDYNAMICSOFSPACECRAFTAUTONOMOUSNAVIGATIONANDDEEPSPACENAVIGATIONSESSIONONEISREPORTONORBITDYNAMICSOFSPACECRAFTAUTONOMOUSNAVIGATIONBASEDONGPSDATACHAPTERONEISABRIEFSURVEYOFSPACECRAFTAUTONOMOUSNAVIGATION，WHICHISMAINLYBASEDONGPSDATACHAPTELTWOINTROUDUCEDSTHEBASICOFTHETIMEREFERENCEANDCOORDINATESFRAMESCHAPTERTHREEISTHEMEASUREMENTMODELANDFORCEMODELOFTHEGPSDATACHAPTERFOURILLUSTRATESSEVERALMETHODSOFTHEORBITPROPAGATIONCHAPTERFIVEISTHEALGORITHMSOFTHEINTERPOLATIONANDTHEINTEGRATIONCHAPTERSIXPRESENTSTHEEQUATIONSOFTHEEXTENDEDKALMANFILTERSESSIONTWOISREPORTONORBITDYNAMICSOFDEEPSPACENAVIGATIONCHAPTERSEVENISANINTRODUCTIONOFTHETRACKINGDATAANDMEASUREMENTMODELFORDEEPSPACESPACECRAFTCHAPTEREIGHTISAPRELIMINARYEVALUATIONOFORBITDETERMINATIONCAPABILITYOFTHETRANS‘LUNARTRAJECTORYCHAPTERNINEGIVESSOMECONCEPTSOFDEEPSPACEAUTONOMOUSNAVIGATIONKEYWORDSORBITDYNAMICS，SPACECRAFT，AUTONOMOUSNAVIGATION，GPS，DEEPSPACE

簡介：南京航空航天大學(xué)碩士學(xué)位論文航空發(fā)動機(jī)星型齒輪傳動系統(tǒng)優(yōu)化設(shè)計姓名孟祥戰(zhàn)申請學(xué)位級別碩士專業(yè)機(jī)械設(shè)計及理論指導(dǎo)教師朱如鵬張躍春20040201ABSTRACTTHISPAPERMAINLYDISCUSSEDTHEOPTIMIZATIONDESIGNOFTWOSTAGESTARTYPEGEARTRANSMISSIONSYSTEM．ITCOVEREDTHETWOSIDESONESTAGEGEARTRANSMISSIONANDTWOSTAGEGEARTRANSMISSION．0NTHEBASISOFTHEIRANALYSISANDRESEARCH，THEMATHEMATICMODELSAREEREACEDWHICHINCLUDETHE0BIECTIVEFUNCTIONSOFMINIMUMVOLUMEANDMINIMUMCENTERDISTANCE．THECONSTRAINTSOFCONTACTSTRENGTH．BENDSTRENGTHANDSCUFFINGSTRENGTH．WITHTHEHELPOFMATLABSOFTWAREANDITSOPTIMIZATIONTOOLBOX，COMBININGTHEOPTIMIZATIONDESIGNTHEORY,THEPARAMETEROPTIMIZATIONOFSYSTEMSOFTWAREFORGEARTRANSMISSIONSYSTEMHASBEENDEVELOPEDSUCCESSFULLY．INTHERESEARCHOFGEARTRANSMISSIONSYSTEMOPTIMIZATION，THESTRUCTUREANDGEOMETRYDIMENSIONCALCULATINGAREDETERMINED．THESELECTIONOFTHEDESIGNINGPARAMETERANDESTABLISHMENTOFCONSTRAINTSAREALSODESCRIBED．SIMULTANEOUSLY,THEMODELOFTHEWHOLEPROBLEMISPRESENTED．ALSO，THEADJUSTMENTOFPARAMETERANDTHESELECTIONOFALTERCOEFFICIENTALEDISCUSSED．ATLAST，THERELIABILITYANDINTEGRALITYAREVERIFIEDBECAUSEOFTHEANALYSISOFCUITENTHELICOPTER’SDESIGNINGPARAMETER．KEYWORDSGEARDRIVECONTACTSTRENGTHBENDSTRENGTHOPTIMIZATIONDESIGNMATLAB

簡介：南京航空航天大學(xué)碩士學(xué)位論文航空電子設(shè)備用熱管研究姓名韓玉申請學(xué)位級別碩士專業(yè)人機(jī)與環(huán)境工程指導(dǎo)教師明曉20050201航空電子設(shè)備用熱管研究ABSTRAETTHISPAPERAIMSATTHESTUDYOFAFLATPLATEHEATPIPEUSEDINAERONAUTICELECTRONICCOMPONENTSAFLATPLATHEATPIPEWASDESIGNEDANDFABRICATEDANALYTICALMODELWASDEVELOPEDFORSTEADYSTATEOFTHEFLATPLATEHEATPIPEANEXPERIMENTINVESTIGATIONOFTHEHEATPIPEANDASOLIDFLATPLATEHEATSINKOFSAMESIZEWERECARRIEDOUTANDTHEIRRESULTSWERECOMPAREDWITHWHICHSHOWSSUCHADVANTAGESASQUICKERSTARTUP，MORESYMMETRICALTEMPERATUREPERFORMANCEANDBETTERHEATTRANSFERPERFORMANCENLEMODELSOLVESTHEPROPERLYSTEADYHEATCONDUCTIONEQUATIONSFORTHEHEATPIPEWALLANDLIQUIDWICKREGIONSASTEADYSTATE，THREEDIMENSIONALAPPROXIMATIONISUSEDFORTHEVAPORSTEADYBEHAVIORTLLEHEATTRANSFERWITHINTHEWALLANDLIQUIDWICKREGIONSISCOUPLEDWITHTHEVAPORPHASEATTHELIQUIDVAPORINTERFACESNLESIMULATIONOFTHESTEADYTEMPERATUREFIELDOFTHEFLATPLATEHEATPIPEANDSINKISCONDUCTEDWITHICEPAKSOFTWARE，ANDTHENUMERICALRESULTSCOINCIDEWELLWITHTHEEXPERIMENTONES，WHICHSHOWTHATTHEMATHEMATICALMODELISRATHEREFFECTIVETHCHEATTRANSFERPERFORMANCEOFTHEFIATPLATEHEATSINKISALSOINVESTIGATEDBYUSINGNUMERICALSIMULATIONMETHODSANDCONDUCTEDBYUSINGTHEFINITEDIFFERENCEMETHOD，WHICHISPREDIGESTEDASTWODIMENSIONALMODELTHENUMERICALRESULTSARECOMPAREDWITHTHEEXPERIMENTALONESKEYWORDSFLATPLATEHEATPIPE，ELECTRONICCOMPONENT，COOLING，EXPERIMENT；NUMERICALSIMULATIONICEPAK

簡介：腐蝕是導(dǎo)致飛行器結(jié)構(gòu)弱化的主要因素之一直接危及飛行器的安全性、可靠性和使用壽命納米復(fù)合涂層防護(hù)技術(shù)充分發(fā)揮了納米材料的各種特異性能以及與基體之間的協(xié)同效應(yīng)能使材料性能具有可設(shè)計性研究和開發(fā)新型超耐候、重防腐、高耐磨納米復(fù)合涂層材料對于飛行器設(shè)計具有十分重要的意義本文結(jié)合航空涂鍍層技術(shù)的國內(nèi)外發(fā)展現(xiàn)狀基于金屬腐蝕與表面保護(hù)理論和納米復(fù)合材料設(shè)計與制備技術(shù)對提高飛行器黑色金屬零部件的表面耐蝕、耐磨性和改善航空有機(jī)涂料的抗紫外耐老化性能進(jìn)行了理論與試驗研究首先作者系統(tǒng)地研究了前人涉及較少的金屬基納米復(fù)合材料的各種制備技術(shù)然后以防腐鍍鋅層為研究對象從本質(zhì)上揭示了稀土和NI改善鍍層耐蝕性的機(jī)理并建立鍍鋅層中添加稀土和NI后的腐蝕模型運(yùn)用復(fù)合電鍍工藝初步探討納米稀土氧化物CEO對鍍鋅層耐蝕性的影響結(jié)果表明在相同的工藝條件下相對于純ZN鍍層納米CEOZN復(fù)合鍍層的耐蝕性能顯著提高而微米CEOZN復(fù)合鍍層的效果并不明顯在上述研究基礎(chǔ)上設(shè)計并運(yùn)用高能球磨真空熱壓制備技術(shù)開發(fā)出新型納米CEOZN、納米NIOZN、納米CEOAL和納米NIOAL等系列重防腐、高耐磨鍍層材料通過工藝優(yōu)化得到納米粒子在基體中呈均勻單分散狀態(tài)的理想納米微米粒子復(fù)合效果本文的另一大類研究內(nèi)容是運(yùn)用共混技術(shù)通過添加納米SIO等優(yōu)良抗老化劑試圖對新型航空氟碳涂料進(jìn)行改性結(jié)果顯示提出的方法在一定程度上提高了氟碳涂層的耐老化性和綜合機(jī)械性能

簡介：碩士學(xué)位論文碩士學(xué)位論文航空發(fā)動機(jī)葉片氣膜孔電火花加工的電極補(bǔ)償技術(shù)研究RESEARCHONELECTRODECOMPENSATIONTECHNOLOGYOFAIRFILMCOOLINGHOLESONANAEROENGINEBLADEINEDM嚴(yán)驊嚴(yán)驊哈爾濱工業(yè)大學(xué)哈爾濱工業(yè)大學(xué)2015年7月CLASSIFIEDINDEXTG661UDC621DISSERTATIONFTHEMASTERDEGREEINENGINEERINGRESEARCHONELECTRODECOMPENSATIONTECHNOLOGYOFAIRFILMCOOLINGHOLESONANAEROENGINEBLADEINEDMCIDATEYANHUASUPERVISPROFGUOYONGFENGACADEMICDEGREEAPPLIEDFMASTEROFENGINEERINGSPECIALTYMECHANICALENGINEERINGAFFILIATIONSCHOOLOFMECHATRONICSENGINEERINGDATEOFDEFENCEJULY2015DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

簡介：西北工業(yè)大學(xué)碩士學(xué)位論文非航空電子系統(tǒng)監(jiān)控技術(shù)研究姓名馮宏文申請學(xué)位級別碩士專業(yè)計算機(jī)系統(tǒng)結(jié)構(gòu)指導(dǎo)教師王福豹20021101西北丁業(yè)≠坶I畢業(yè)論立摘璺ABSTRACTWITHTHEDEVELOPMENTOFMICROELECTRONICANDCOMPUTERTECHNOLOGYWHICHHASEXTENSIVELYBEENUSEDINTHEFIELDOFFIELDOFAVIATION，THEREGRADUALLYCOMEFORTHTHEINTEGRATEDAVIONICSTECHNIQUEINWHICHNONAVIONICSSYSTEMMONITORINGNASMTECHNIQUEISONEOFIMPORTANTPORTIONSNONAVIONICSMONITORINGSYSTEMPLAYSAGREATROLETOACHIEVETHENEWGENERATIONINTEGRATED，DIGITALANDINTELLIGENTAVIONICSALSOTOIMPROVETACTICALCAPABILITYANDSURVIVABILITYOFTHEAIRCRAFTTHISPAPERPRESENTSTHEORIGINATION，DEVELOPMENT，PROSPECTIVEANDAPPLICATIONOFTHENONAVIONICSSYSTEMMONITORINGTECHNIQUESTHEBASICMODELOFTHENONAVIONICSSYSTEMMONITORINGHASBEENANALYZEDONTHEBASEOFAREALAVIONICSOFTHEAIRCRAFT，OFSYSTEMARCHITECTURE，PRINCIPLESANDIMPLEMENTATIONTECHNIQUESANDEMULATIONOFTBENONAVIONICSMONITORINGSYSTEMHAVEBEENDESCRIBEDINDETAILTHEDESIGNANDAPPLICATIONOFTHESERIALCOMMUNICATIONPROTOCOLBASEDONEIARS422AUSEDINTHENONAVIONICSMONITORINGSYSTEMHAVEBEENLUCUBRATEDTHENONAVIONICSMONITORINGSYSTEMHASBEENIMPLEMENTEDBYTHENO631INSTITUTEOFTHECHINESEAVIATIONINDUSTRYKEYWORDSNONAVIONICSMONITORINGSYSTEMARCHITECTUREEMULATIONINTEGRATED

簡介：西北工業(yè)大學(xué)碩士學(xué)位論文基于特異航天零件的纖維纏繞線型和建模研究姓名嚴(yán)由嶸申請學(xué)位級別碩士專業(yè)機(jī)械電子工程指導(dǎo)教師史耀耀20040301西北T業(yè)大學(xué)碩上論文ABSTRACTABSTRACTFIBERREINFORCEPLASTICFRPISAKINDOFCOMPOSITEMATERIALSWHICHHASHIGHSPECIFICINTENSITY,HIGHSPECIFICRIGIDITY,LOWDENSITYEXCELLENTCORROSIONRESISTANCEFILAMENTWINDINGFWISAKINDOFFRPFORMINGPROCESSFRPISWIDELYUSEDINAERONAUTICS、ASTRONAUTICSANDOTHERFIELDSFORITSMERITSINTHISPAPER,AMATHEMATICMODELISSTRUCTUREDFORASPECIALPART,ANDAFWPATTERNISDESIGNEDBASEDONTHEMODELTHISPATERNISSIMULATEDBYCOMPUTERFIRSTLY,AMATHEMATICMODELISESTABLISHEDBASEDONSTUDIEDTHEFEATUREOFTHISPARTTHISPARTISDIVIDEDINTOSEVERALPARTSAFTERANALYZINGTHEGEOMETRICSHAPEGEODESICFWPATERNHASBEENDESIGNEDFOREACHSUBSECTIONSINCETHEAXISOFTHEPARTISNOTONTHESAMELINE,ITMAYBENECESSARYTOAMENDTHEPARTINORDERTOMAKEITEASETOPRODUCETHEAMENDABLEMETHODMOSTLYISTHEFWPATERNINTHEJUNCTUREOFFASTIGIATEDCOLUMNANDSPHERESECONDLY,UNDERVCLANGUAGE,THEPARTMODELHASBEENSTRUCTUREDCALLFOROPENGLINTHEPROGRAM,THEGEOMETRICPARAMETERHASBEENDEFINEDVARIABLEFORADAPTEDTHEPARTSWHICHHASSAMEGEOMETRICSHARPTHEFWPATTERNHASBEENSIMULATEDINTHECOMPUTERINTHELIGHTOFTHEOUTCOMEOFTHESIMULATING,WESEETHEFWPATTERNACCORDINGWITHTHEMATHEMATICSEQUATIONSOTHESIMULATINGFWPATTERNPLAYSANIMPORTANTROLEINDIRECTINGTHEREALFWTHEANALYZINGOFFWPATTERNANDDEVELOPINGHAVEGREATLYTHEORETICANDPRACTICALVALUEINTHEFWSEARCHFIELDOFTHEPARTSWHICHHASTHESAMEAXTSKEYWORDSCOMPOSITEMATERIAL,FILAMENTWINDING,GEODESIC,NOTSAMEAXESSIMULATION

簡介：中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文應(yīng)用于航天測控系統(tǒng)的全數(shù)字IF擴(kuò)頻接收機(jī)的碼同步技術(shù)研究姓名趙明申請學(xué)位級別碩士專業(yè)通信與信息系統(tǒng)指導(dǎo)教師戴逸民200261ABSTRACTABSTRACTTHISTHESISINVESTIGATESTHECODESYNCHRONIZATIONINDIGITALIZEDDS／SSIFRECEIVERUSEDINTHEFIELDOFTRACKING，TELEMETERINGANDCOMMANDTTCAMETHODOFCODESYNCHRONIZATIONISPRESENTEDINWHICHIFSIGNALSISSAMPLEDFIRST，THEMODELOFTHERECEIVERISINTRODUCEDANDTHENWEDISCUSSHOWTOSELECTSUITABLEPNCODEONTHESTANDPOINTOFSHORTENINGTHEACQUISITIONTIME，WEANALYZETHEPARTIALCORRELATIONOFGOLDCODEAFTERANALYZEANDCOMPARESEVERALMETHODSOFACQUISITION，WECHOOSESEQUENTIALDETECTIONBASEDONTHESLIDINGCORRELATIONASTHEFUNDAMENTALMODELFORTHECODEACQUISITIONANDTHENANEVENTUALDIGITALIZEDSCHEMEISPRESENTED，INWHICHTHESAMPLESARE1HITDIGITALIZEDANDMULTIPLEACQUISITIONPATHISUSEDWEESPECIALLYANALYZEDTHEPERFORMANCEOFTHECODEACQUISITIONMODELUNDERLAGERFREQUENCYOFFSETANDLOWSNRSECONDLY，WECHOOSETHENONCOHERENTDELAYLOCKLOOPASTHETRACKMODELANDINTRODUCETHEMETHODOFDIGITALIZEDIMPLEMENTATIONOFTHETRACKINGMODELINCLUDINGTHELOOPFILTERANDTHEDDFSWHICHREPLACESTHECONVENTIONALVCOLASTTHESIMULATIONMODELCONSTRUCTEDINSYSTEMVIEWANDTHERESULTSAREPRESENTEDTHESCHEMEISIMPLEMENTEDINFPGASUCCESSFULLYKEYWORDDIRECTSPREADSPECTRUM，IFSAMPLE，SEQUENTIALPROBABILITYRATIOTEST，1BITDIGITALIZED，F(xiàn)REQUENCYOFFSET，LOWPOWERCONSUMPTION，LOWSNR，HIGHACCURACYMEASUREMENT

簡介：西北工業(yè)大學(xué)＼844110學(xué)校代號10699學(xué)號00607G222碩士學(xué)位．論文專業(yè)學(xué)位研究生題目苤型越窒筮動扭地力調(diào)堇墨塑重差動扭掏監(jiān)究作者睦金豎領(lǐng)域航空王焦指導(dǎo)教師樊工掛佳周申請學(xué)位日期2005．12．1薨文摘要ABSTRACTATYPEOFWSENGINEISTHEONEWHICHBELONGSTOTHETHJRDSTAGEOFAEROENGINEANDDESIGNEDBYCHINA，ITSJETNOZZLEANDAFIERBURNINGCONTROLARECARRIEDOUTBYJETNOZZLEAFIERBURNINGREGULATOR,WHICHISAMECHANICALHYDRAULICPRODUCTTHATISFIMCTIONMULTIPLEANDSTRUCTURECOMPLEX，THEAFTERBURUINGCONTROLRULEOFTHEAEROENGINEISREALIZEDBYMECHANICALHYDRAULICDRIVINGINTHECOMPLEXELEMENTSABOVEMENTIONEDREGULATORANDAGAINTHROUGHACALCULATIONORGAN．THISJETNOZZLEAFTERBUMINGREGULATORISCONSISTEDOFAAFTERBUMINGFUELCONSUMEVOLUMEAAJUSTERANDAJETNOZZLEADJUSTER．INORDERTOGRASPTHEPRINCIPLEOFTHEJETNOZZLEADJUSTERTOREALIZEJETNOZZLECONTROLPLAN,ANDTOSOLVETHEQUESTIONSWHICHMETINTHERESEARCHOFTHISPRODUCTASWELLASTOSUPPLYTHEBASISFORIMPROVINGDESIGN．THISSUBJECTISSELECTED．THISPAPERPRESENTSTHEREQUIREMENTOFATYPEOFAEROENGINEJETNOZZLEAFTERBUMINGCONTROLPLAN,ANDDO舔THERESEARCHTOCONSISTOFJETNOZZLEADJUSTERANDTHEFUNCTIONOFEACHORGAN，DUALDIFFERENTIALORGANISTHEKEYELEMENTOFTHEJETNOZZLEADJUSTER,ITACCEPTSMULTIPLEPARAMETERS，ANDTHESTRUCTUREISCOMPLEX．INORDERTOANALYZECLEARLYITSCHARACTERISTICMADACTION，ITSSTRUCTUREESSENTIALISCARRIEDOUTTOCALCULATEANDANALYZESOASTOITSOUTPUTANDINPUTRELATIONCANBEFOUNDOUTTHISPAPERISALSOTO

簡介：XIHUAUNIVERSITYMASTERDEGREEDISSERTATIONTHERESEARCHANDDEVELOPMENTOFCARBIDEAVIATIONTHREADTOOLSCANDIDATEWANGLIMAJORMECHANICALDESIGNANDTHEORYSTUDENTID212012080203008SUPERVISORPROFGONGYILONGAPRIL,2015CLASSIFIEDINDEXUDC

簡介：電子科技大學(xué)UNIVERSITYOFELECTRONICSCIENCETECHNOLOGYOFCHINA碩士學(xué)位論文MASTERTHESIS論文題目航空發(fā)動機(jī)氣路部件退化仿真及健康評估學(xué)科專業(yè)機(jī)械設(shè)計及理論學(xué)號201221080309作者姓名李潤國指導(dǎo)教師陳中柘副教授

簡介：中圖分類號V4443論文編號102870113S287學(xué)科分類號082504碩士學(xué)位論文不同空間環(huán)境對艙外航天服性能的影響研究生姓名寇翠翠學(xué)科、專業(yè)人機(jī)與環(huán)境工程研究方向航天員生命保障指導(dǎo)教師宋保銀教授南京航空航天大學(xué)研究生院航空宇航學(xué)院二О一二年十二月承諾書本人聲明所呈交的碩士學(xué)位論文是本人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。除了文中特別加以標(biāo)注和致謝的地方外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果，也不包含為獲得南京航空航天大學(xué)或其他教育機(jī)構(gòu)的學(xué)位或證書而使用過的材料。本人授權(quán)南京航空航天大學(xué)可以將學(xué)位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫進(jìn)行檢索，可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文。（保密的學(xué)位論文在解密后適用本承諾書）作者簽名日期

簡介：國內(nèi)圖書分類號F5603國際圖書分類號629西南交通大學(xué)研究生’學(xué)位論文密級公開年級2QQ窆級姓名董基申請學(xué)位級別王堂擅專業(yè)童通運(yùn)撿趣劍皇笪堡指導(dǎo)老師杜文教拯二零一六A序T一月一令一／＼月西南交通大學(xué)學(xué)位論文版權(quán)使用授權(quán)書本學(xué)位論文作者完全了解學(xué)校有關(guān)保留、使用學(xué)位論文的規(guī)定，同意學(xué)校保留并向國家有關(guān)部門或機(jī)構(gòu)送交論文的復(fù)印件和電子版，允許論文被查閱和借閱。本人授權(quán)西南交通大學(xué)可以將本論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫進(jìn)行檢索，可以采用影印、縮印或掃描等復(fù)印手段保存和匯編本學(xué)位論文。本學(xué)位論文屬于1保密口，在年解密后適用本授權(quán)書；2不保密面，適用本授權(quán)書。請在以上方框內(nèi)打“√”學(xué)位論文儲簽名茲日期≯帕年艫月≥易日燧名卜支日期L瞻斗月乩日

簡介：南京航空航天大學(xué)碩士學(xué)位論文單相航空電源功率因數(shù)校正技術(shù)研究姓名范凱申請學(xué)位級別碩士專業(yè)電力系統(tǒng)及其自動化指導(dǎo)教師謝少軍20090201單相航空電源功率因數(shù)校正技術(shù)研究IIABSTRACTACTIVEPOWERFACTCRECTION（PFC）CANREDUCETHEHARMONICCONTENTOFINPUTCURRENTIMPROVETHEPOWERFACT（PF）INRECTIFIERSMUCHATTENTIONHASBEENPAIDONRESEARCHAPPLICATIONOFPFCINAVATIONPOWERSYSTEMTHEFUNDERMENTALFREQUENCYISHIGHTHESWITCHINGFREQUENCYISRESTRICTEDTOOBTAINHIGHEFFICIENCYTHEREFETHESWITCHINGFREQUENCYTOLINEFREQUENCYRATIOISLOWERTHANTHATINTHEUTILITYPOWERSYSTEMSWHICHRESTRICTSTHEPERFMANCEOFINTERIATEFREQUENCYPFCCONVERTERSTHISTHESISMAINLYFOCUSESONTHESTUDYOFACTIVEPFCWITHLOWSWITCHINGFREQUENCYTOLINEFREQUENCYRATIOFIRSTLYTHEOPERATIONPRINCIPLEOFBOOSTPFCCONVERTERISANALYZEDTHEPARAMETERDESIGNGUIDELINESOFTHEPOWERCIRCUITAREINTRODUCEDTHEANALYSISONTHERELATIONSHIPBETWEENTHESWITCHINGFREQUENCYTHESIZEOFTHERADIATINDUCTISGIVENTHESWITCHINGFREQUENCYISEDAS30KHZWITHOPTIMALDESIGNOFTHECONVERTERSIZEAVERAGECURRENTMODECONTROLOFBOOSTPFCCONVERTERISSTUDIEDTHECONTROLLERISDESIGNEDUSINGUCC3817CHIPTHEDESIGNMETHODOFCONTROLLERPARAMETERSISINTRODUCEDA250WPROTOTYPEISCONSTRUCTEDTHEZEROCROSSINGDISTTIONOFTHEINPUTCURRENTISSHOWNINTHESIMULATIONEXPERIMENTALRESULTSWHENTHESWITCHFREQUENCYIS30KHZTHEPOWERSUPPLYFREQUENCYIS400HZINNERLOOPTRANSFERFUNCTIONOFBOOSTPFCCONVERTERBASEDONAVERAGECURRENTMODECONTROLISDEDUCEDTHEPHENOMENATHATINPUTCURRENTPHASELEADTHELINEVOLTAGEISANALYZEDTHECONCLUSIONTHATCURRENTZEROCROSSINGDISTTIONISMAINLYCAUSEDBYLEADINGPHASEOFINPUTCURRENTISDRAWNATTHESAMETIMEANOVELCOMPENSATIONWKISDESIGNEDTOREDUCETHELEADINGPHASEOFINPUTCURRENTEXPERIMENTALRESULTSVERIFIEDTHEEFFECTIVENESSOFTHECOMPENSATIONWKINREDUCINGTHECURRENTZEROCROSSINGDISTTIONFINALLYTHEOCCCONTROLSTRATEGYBASEDONBOOSTPFCCONVERTERISSTUDIEDAPROTOTYPEUSINGIR1150SCONTROLINTEGRATEDCHIPISBUILTEXPERIMENTALRESULTSVERIFIEDTHETHEYANALYSISKEYWDSAVIATIONPOWERSYSTEMSPFCAVERAGECURRENTMODECONTROLONECYCLECONTROLBOOSTPFCCONVERTERSZEROCROSSINGDISTTIONLPAC