-
簡介:南京航空航天大學碩士學位論文航空發(fā)動機二維模型燃燒室中碳黑顆粒生成數(shù)值模擬姓名李紅紅申請學位級別碩士專業(yè)環(huán)境工程指導教師劉勇20080101航空發(fā)動機二維模型燃燒室中碳黑顆粒生成數(shù)值模擬IIABSTRACTSOOTPARTICLESAREINEVITABLEOUTCOMEDURINGTHEHYDROCARBONFUELCOMBUSTIONWHICHARETHECOAGULATIONOFPAHSTHEYAREAIRPOLLUTANTSTHATAREHARMTOHUMANBODYCANMAKEASERIESOFATMOSPHERICENVIRONMENTEFFECTSINGASTURBINECOMBUSTSSOOTPARTICLESFMATIONRADIATIONCANAFFECTTHEACCURACYOFNUMERICALSIMULATIONESPECIALLYFTHEGASWALLTEMPERATUREINDERTOINVESTIGATESOOTPARTICLESDISTRIBUTIONINGASTURBINECOMBUSTSTHISPAPERPRESENTSDETAILEDMECHANISMSDETAILEDMODELOFSOOTFMATIONOXIDATIONTHEMAJCOMPONENTSCONCENTRATIONISGOTTENTHROUGHNUMERICALSIMULATIONOFCOMBUSTIONFLOWWITHC7H16DETAILEDCHEMICALKIICMECHANISMSTHENTHEYAREUSEDTOFEEDTHEMETHODOFMOMENTSTOGETTHESOOTPARTICLESDISTRIBUTIONUNDERTHETWODIMENSIONALBODYFITTEDGRIDTHETURBULENTACTERISTICSAREESTIMATEDBYKΕEQUATIONSTHEREACTINGRATIOISESTIMATEDBYEDDYDISSIPATIONCONCEPTMODELTHEFOURFLUXMODELISAPPLIEDTOPREDICTTHEHEATFLUXDISTRIBUTIONSSOASTOCONSIDERTHEINFLUENCEOFHEATRADIATIONONTHEGASTEMPERATUREWALLTEMPERATURETHEREACTINGMODELISPSRWHICHISUSEDINEVERYNODETHEMETHODOFMOMENTSISUSEDTODEALWITHSOOTPARTICLESSIZEDISTRIBUTIONTHEMECHANISMCOMPILERAPIFUNCTIONSOFCHEMKINCANSEPARATELYGENERATETHECONNECTINGDOCUMENTTREATCOMPLEXCHEMICALREACTIONITEMSDURINGTHEFTRANPROGRAMRUNNINGCONTROLVOLUMEMETHODISUSEDTODISCRETIZETHEGOVERNINGEQUATIONSONANONSTAGGEREDGRIDSYSTEMTHEDISCRETEEQUATIONSARESLOVEDWITHSIMPLEALGITHMTHEMETHODOFWALLFUNCTIONSINTHEARBITRARYCURVECODINATEISAPPLIEDTOTREATTHEPREDICTIONOFFLOWINTHENEARWALLREGIONTHEPAPERCONSIDERSFOURDIFFERENTKINDSOFEXCESSCOEFFICIENTTHREEVERTICALSECTIONOFGASTURBINECOMBUSTTHEANALOGYBETWEENTHERESULTTHEOTHERONEINTURBULENTJETDIFFUSIONFLAMEOFMETHANEAIRHAVEBEENTAKENVALIDATESTHEFEASIBILITYCRECTIONOFTHISMETHODPROCEDUREKEYWDSSOOTPARTICLESMETHODOFMOMENTSEDCMODELDETAILEDCHEMICALKIICMECHANISMENVIRONMENTALEFFECT
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 80
大小: 1.31(MB)
子文件數(shù):
-
簡介:上海交通大學碩士學位論文航天器綜合電子系統(tǒng)技術(shù)研究碩士研究生朱維學號1040342084導師朱杰教授副導師黨建成研究員申請學位工程碩士學科電子與通信工程所在單位電子信息與電氣工程學院答辯日期2013年04月授予學位單位上海交通大學
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 86
大?。?1.63(MB)
子文件數(shù):
-
簡介:中圖分類號V2341論文編號102870214S041學科分類號080703碩士學位論文航空活塞發(fā)動機燃燒過程和特性的模擬研究研究生姓名劉國棟學科、專業(yè)動力機械及工程研究方向動力機械燃燒技術(shù)指導教師關(guān)玉璞教授南京航空航天大學研究生院能源與動力學院二О一三年十二月承諾書本人聲明所呈交的博/碩士學位論文是本人在導師指導下進行的研究工作及取得的研究成果。除了文中特別加以標注和致謝的地方外,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或其他教育機構(gòu)的學位或證書而使用過的材料。本人授權(quán)南京航空航天大學可以將學位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫進行檢索,可以采用影印、縮印或掃描等復制手段保存、匯編學位論文。(保密的學位論文在解密后適用本承諾書)作者簽名日期
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 75
大小: 6.52(MB)
子文件數(shù):
-
簡介:工程碩士學位論文某航空發(fā)動機軸承的研制某航空發(fā)動機軸承的研制佐景濤哈爾濱工業(yè)大學2008年6月CLASSIFIEDINDEXTB472UDC607DISSERTATIONFTHEMASTERDEGREEINENGINEERINGSTUDYONACERTAINBEARINGSOFAIRCRAFTENGINECIDATEZUOJINGTAOSUPERVISPROFCHENWEISHANACADEMICDEGREEAPPLIEDFMASTEROFENGINEERINGENGINEERINGFIELDMECHATRONICSENGINEERINGDATEOFALEXAMINATION7THJUN2008UNIVERSITYHARBININSTITUTEOFTECHNOLOGY
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 72
大?。?1.26(MB)
子文件數(shù):
-
簡介:學位論文題目基于線結(jié)構(gòu)光的航空發(fā)動機葉片三維形貌測量技術(shù)研究作者姓名廖駿盲審編號201707Z08012中圖分類號TN247盲審編號201707Z08012碩士學位論文基于線結(jié)構(gòu)光的航空發(fā)動機葉片三維形貌測量技術(shù)研究學科、專業(yè)儀器儀表工程專業(yè)代碼085203學位類別專業(yè)學位碩士專業(yè)學位碩士2017年6月RESEARCHONTHREEDIMENSIONALTOPOGRAPHYMEASUREMENTTECHNOLOGYOFAEROENGINEBLADEBASEDONLINESTRUCTURELIGHTADISSERTATIONSUBMITTEDFTHEDEGREEOFMASTERONINSTRUMENTMETERENGINEERINGBYLIAOJUNUNDERTHESUPERVISIONOFPROFXIAGUISUOCOLLEGEOFTESTINGOPTOELECTRONICENGINEERINGNANCHANGHANGKONGUNIVERSITYNANCHANGCHINAJUNE2017
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 88
大?。?8.07(MB)
子文件數(shù):
-
簡介:南京航空航天大學碩士學位論文面向飛行器設計的航空專用網(wǎng)格關(guān)鍵技術(shù)的研究與實現(xiàn)姓名馬奕平申請學位級別碩士專業(yè)計算機應用技術(shù)指導教師葉延風20080101面向飛行器設計的航空專用網(wǎng)格關(guān)鍵技術(shù)的研究與實現(xiàn)IIABSTRACTTHEREQUIREMENTOFCOMPUTECAPABILITYINTHEMODERNAIRCRAFTDESIGNINCREASESSOSTENUTO,WHILETHECAPABILITYOFCOMMONCOMPUTERCAN’TMEETTHISREQUIREMENTBECAUSETHEGRIDCANCOLLECTTHECOMPUTATIONALRESOURCESONTHEWKTOSOLVETHEPROBLEMOFREQUIRINGMASSCOMPUTECAPABILITYINTHEMODERNAIRCRAFTDESIGNEFFECTIVELY,THERESEARCHONUSINGGRIDINMODERNAIRCRAFTDESIGNISVERYSIGNIFICATIVETHEACTUALITYOFGRIDINOUTABROADISANALYZEDINTHISTHESIS,OPENGRIDSERVICESARCHITECTUREOGSAOPENGIRDSERVICESINFRASTRUCTURESOGSIISDISCUSSEDASWELLTHEWEBSERVICERESOURCEFRAMEWKWSRFISRESEARCHEDON,ASALSOASTHELATESTSPECIFICATIONWSRESOURCETRANSFERWSRTTHINKINGOFTHEREQUIREMENTOFAIRCRAFTDESIGN,THEFRAMEOFAERONAUTICSPECIALGRIDASGISDEVISEDOWINGTOTHEREQUIREMENTOFHIGHPERFMANCECOMPUTE,THEBEFEHRESEARCHMODELBRMBASEDONTHEBEFEHRESEARCHSTRATEGYISDEVISEDWHICHISBUILDEDONTHEEXISTENTRESOURCEDISCOVERYMECHANISMMDSADOPTEDBYGLOBUSISANALYZED,MAKEEXPERIMENTRESPECTIVELYONBRMMDS,THENCONTRASTTHERESULTOFBRMWITHMDS,RESEARCHONTHEFACTSTHATINFLUENCETHEPERFMANCEOFBRMTHERESULTOFEXPERIMENTATIONTURNSOUTTHATTHEPERFMANCEOFBRMISHIGHERTHANMDSEVIDENTLYINTHEAERONAUTICSPECIALGRIDANALYZETHEGLOBUSTOOLKIT40SEARCHAFTERTHEMETHODOFCONFIGURINGGRIDDEVELOPMENTENVIRONMENTTHEHIGHDERMATRICESPROBLEMINAIRCRAFTDESIGNISEXPLED,THEHIGHDERMATRICESDECREASINGDIMSSERVICEISIMPLEMENTEDELEMENTARILYATLASTTHEBRMDEVISEDINTHISTHESISITSALGITHMCANIMPROVETHESPEEDOFRESOURCEDISCOVERYOBVIOUSLYINASGTHEHIGHDERMATRICESDECREASINGDIMSSERVICECANMEETTHEREQUIREMENTOFMASSCOMPUTECAPABILITYINMODERNAIRCRAFTDESIGNKEYWDSGRID,AIRCRAFTDESIGN,GLOBUSTOOLKIT,RESOURCEDISCOVERY,GRIDSERVICE
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 75
大?。?0.47(MB)
子文件數(shù):
-
簡介:西北工業(yè)大學碩士學位論文通用航空總線實時測試與分析技術(shù)研究姓名寧偉申請學位級別碩士專業(yè)計算機應用技術(shù)指導教師杜承烈20060301墮J三些叁堂堡圭堂垡笙莖壘里墜ABSTRACTAVIONICSBUSTECHNOLOGYISTHEBASEOFAVIONICSINTEGRATEDSYSTEM塒THRESPONSIBILITYOFINFORMATIONEXCHANGEANDRESOURCESHARINGBETWEENDIFFERENTSUBSYSTEMSONTHEPLANEBECAUSEOFTHEKEYSTATUSOFTHEAVIONICSBUSINAVIONICSINTEGRATEDSYSTEM,ITSRELIABILITYANDSTABILITYBECOMEMOREANDMOREIMPORTANTAIMATCURRENTLYVARIOUSAVIONICSBUSISINAGREATDEALOFUSAGEINTHEMODEMAIRPLANE,HOWTOCARRYONACOMPREHENSIVETESTTOTHECOMPLICATEDAVIONICSSYSTEMEFFICIENTLYANDACCURATELYBECOMETHEHOTPOINTOFTHEAVIONICSBUSTESTREALM111ISPAPERMAINLYRESEARCHEDTHEUNIVERSALAVIONICSBUSREALTIMETESTANDANALYSISTECHNOLOGYINCLUDING“1ANALYZEDTHECHARACTERISTICSANDTHEDEVELOPMENTTRENDOFAVIONICSBUSSYSTEMRESEARCHEDTHESTANDARD,CONSTITUTESTRUCTUREANDDELIVERMECHANISMOFARINC429ANDMILSTD一1553BANDTHENCOMPAREDTHISTWOMOSTLYUSEDAVIONICSBUS2ANALYZEDTHECONTENTSANDMETHODSOFTHEAVIONICSTESTTECHNIQUEBYCOMPARINGTHECOMPUTERNETWORKTEST,STUDIEDTHEAVIONICSBUSTESTTECHNIQUEOFARINC429ANDMILSTD1553BANDPOINTEDOUTTHEKEYTECHNOLOGYOFUNIVERSALAVIONICSBUSREALTIMETESTANDANALYSIS3ANALYZEDTHECHARACTERISTICSOFTHEINTERFACECONTROLDOCUMENTICDANDIT’SFUNCTIONINTHEAVIONICSTESTSYSTEMAIMATTHEABUSEOFTRADITIONALICDDESIGNMETHOD,POINTEDOUTTHEDATADESCRIPTIONDESIGNMETHODOFUNIVERSALAVIONICSBUS4SYNTHESIZEINTHECHARACTERISTICSANDSYSTEMSTRUCTUREOFUNIVERSALAVIONICSBUSTESTSYSTEM,CARRYOUTTHEPLATFORMOFUNIVERSALAVIONICSBUSREALTIMETESTANDANALYSIS5TAKETHETECHNOLOGYOFUNIVERSALAVIONICSREALTIMETESTANDANALYSISUSEDINTOTHEITEMOF“ARJ21AIRPLANEARLNC429DATATESTANDANALYSISINSTRUMENT’PROVIDEDBYAIRPLANEDESIGNINSTITUTIONINSHANGHAIDESIGNEDANDREALIZEDTHESOFTWARESYSTEMOFARINC429DATATESTANDANALYSISINSTRUMENTTHERESULTINDICATEDTHATITCOULD蹦FILLTHEREQUESTOFFUNCTIONANDPERFORMANCEKEYWORDSAVIONICSINTEGRATION,BUSTESTING,ARINC429,1553B,ICDII
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 64
大?。?1.83(MB)
子文件數(shù):
-
簡介:中圖分類號V2337論文編號102870214S082學科分類號082502碩士學位論文航空發(fā)動機分布式控制系統(tǒng)通信總線研究研究生姓名關(guān)越學科、專業(yè)航空宇航推進工程與理論研究方向分布式控制系統(tǒng)指導教師潘慕絢副教授南京航空航天大學研究生院能源與動力學院二О一三年十二月承諾書本人聲明所呈交的博士學位論文是本人在導師指導下進行的研究工作及取得的研究成果。除了文中特別加以標注和致謝的地方外,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或其他教育機構(gòu)的學位或證書而使用過的材料。本人授權(quán)南京航空航天大學可以將學位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫進行檢索,可以采用影印、縮印或掃描等復制手段保存、匯編學位論文。(保密的學位論文在解密后適用本承諾書)作者簽名日期
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 102
大小: 5.16(MB)
子文件數(shù):
-
簡介:洳≥J、曾博士學位論文⑧論文題目一墮室鍪堡墮塑簍挈霉塑三堊墅竺堊堡笙和方法研究作者姓名孫杰指導教師柯映林教授學科專業(yè)機械制造及其自動化所在學院機械與能源工程學院提交日期二零零三年十二月I浙江大學博JJ學位論文的計算公式。對復雜零件,研究了二倍彈性斜率法及切線交點法確定安全校詎極限參數(shù)的方法。通過外加載荷與工件內(nèi)應力耦合作用效果的有限元計算,進一步研究了殘余應力對工件極限承載能力及安全校正載荷的影響。對于典型的隔框?qū)嵗慵?,給出了不同變形校正時的安全校正參數(shù)。第七章給出本學位論文的結(jié)論和進一步研究的展望。附錄對振動校形和振動消除殘余應力的關(guān)鍵技術(shù)進行了介紹。關(guān)鍵詞變形校正航空整體結(jié)構(gòu)件曲率彎曲扭矩有限元殘余應力安全校正極限載荷本論文研究得到了國家自然科學基金項目、國防軍工項目、教育部博士點基金項目等課題的資助
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 129
大小: 4.33(MB)
子文件數(shù):
-
簡介:K分類號UDC密級1935080學位論文航空發(fā)動機葉片疲勞的損傷力學研究及外物損傷影響作者姓名周勝田指導教師黃寶宗教授東北大學理學院申請學位級別博士學科類別工學學科專業(yè)名稱結(jié)構(gòu)工程論文提交日期2007年11月17日學位授予日期勾O8年3同論文答辯日期2007年11月懶會主席剮弒評閱人斛狀槲訐I舀。嗣仁嗣售嗣餾東北大學2007年L1月,‘●IITADISSERTATIONINSTRUCTURALESTUDYONFATIGUEOFAIRENGINEBLADESBYDAMAGEMECHANICSANDINFLUENCEOFFOREIGNOBJECTDAMAGEBYZHOUSHENGTIANSUPERVISORPROFESSORHUANGBAOZONGNORTHEASTERNUNIVERSITYNOVEMBER2007P3IP
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 140
大?。?5.2(MB)
子文件數(shù):
-
簡介:圖書分類號H133§§UDC620V密級韭蜜碩士學位論文航天發(fā)射塔回轉(zhuǎn)平臺狀態(tài)質(zhì)量檢測技術(shù)研究塞蠶筮指導教師姓名、職稱潘塞迭熬授塑漫起煎攮申請學位級別工堂亟±專業(yè)名稱信呈皇信皇處堡論文提交日期2鯉1年月論文答辯日期2魚旦年學位授予日期年至臼5月19日月日論文評閱人塞篷羞副塾援蕙置墓副熬授答辯委員會主席整漁起熬撞2007年4月27日THESTUDYONSTATEQUALITYTESTTECHNOLOGYOFROTARYFLATINTHESPACEFLIGHTLAUNCHTOWERABSTRACTTHESPACEFLIGHTLAUNCHSITEEQUIPMENTISTHEMATTERFOUNDATIONFOREXPERIMENT,WHICHISDIRECTLYRELATEDTOTHESUOL3CSSORFAILUREOFIT.THISPAPERCONTRIBUTESEFFECTIVETHEORYANDMETHODSFORTHESPACEFLIGHTLAUNCHSITEEQUIPMENT.THEKEYPARTOFTHEROTARYFLATISTHEROLLINGBEARINGOFRECIPROCATING,LOWSPEED,NONFULLROTATIONANDHEAVYLOAD.BECAUSEOFTHEROLLINGBEARING’SSPCCIALWORKCHARACTERISTIC,TRADITIONALFAULTDIAGNOSISDON’TDIRECTLYUSE.ITISFULLYNEWSTUDYAREAFORTHEFAULTDIAGNOSISOFTHEROLLINGBEARING.THEPAPERFIRSTLYSTUDYTHECAUSEANDTYPEOFFAULTINROLLINGBEARING,ANALYZETHEVIBRATIONFEATUREOFAUKINDSOFFAULTSANDSUMMARIZETHEVIBRATIONDETECTIONTHEORYOFTHISTYPEBEARING.THEYARETHEPRINCIPLEBASISOFSTATEQUALITYTEST.TESTSYSTEMISDESIGNED.BASEDONTHEEXPERIMENT,ITFWSFLYPUTFORWARDPULSEENERGYFORTHESTATEQUAFITYTESTFORTHETONINGBEARINGOFRECIPROCATING,LOWSPEED,NONFULLROTATIONANDHEAVYLOADBYANALYZINGONOFFVIBRATIONSIGNALS.THEPARAMETEROFPULSEENERGYANDPULSETIMESARECONSTRUCTED,WHICHISUSEDTOSOLVETHESTATEQUALITYTESTFORROTARYFLAT.SETUPTHESTATEQUALITYPATTERNRECOGNITIONSYSTEMBASEDONBPNEURALNETWORK.THEPERFORMANCETESTANDEVALUATIONONSTATEQUALITYOFROTARYFLATALEPRIMARILYREALIZED.THEMETHODHASCERTAINAPPLICATIONFOREGROUNDANDHIGHPRACTICALITYVALUE.KEYWORDSROTARYPLAT,STATEQUALITYTEST,PULSEENERGY,BPNEURALNETWORK
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 66
大小: 1.88(MB)
子文件數(shù):
-
簡介:電子科技大學UNIVERSITYOFELECTRONICSCIENCETECHNOLOGYOFCHINA專業(yè)學位碩士學位論文MASTERTHESISFPROFESSIONALDEGREE(電子科技大學圖標)論文題目分布式航空電子系統(tǒng)通用開放式軟件架構(gòu)研究專業(yè)學位類別工程碩士學號200892508014作者姓名張薇指導教師何羚副教授RESEARCHONGENERALOPENSOFTWAREARCHITECTUREFDISTRIBUTEDAVIONICSSYSTEMATHESISSUBMITTEDTOUNIVERSITYOFELECTRONICSCIENCETECHNOLOGYOFCHINAMAJSOFTWAREENGINEERINGAUTHZHANGWEIADVISHELINGSCHOOLSCHOOLOFAERONAUTICSASTRONAUTICS
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 95
大?。?2.08(MB)
子文件數(shù):
-
簡介:零琵踢魯BJ、工重G魄研究生碩士學位論文論霉鏨目航空發(fā)動步嶝機振動故障診斷J。技柵究一_1、.一。.研究生王志。I一專業(yè)航空宇航推進理論與工程研究方向航空發(fā)動機強度、振動及噪聲指導教師艾延建教榭零毒B爭,舟沈陽航空工業(yè)學院碩士學位論文ABSTLACTANLLCROCNGINEISAMACHINEWITHHI匭ROTATIONSPEED,ITSRELIABILITYDIRECTLYAFFECTSTHEFLIGHTSAFETYOFAIRPLAOE.WITHTHEDEVELOPMENTOFSCIENCEANDTECHNOLOGY,THETHRUST,ROTATION印EED,DYNAMICINTEMITYOFAER∞NGI∞ANDSOONINCREASEGRADUALLY,THEWORKINGPROCESSESANDSMLCTURALFORMSOFACLOLLLGILLE8ALSOBECOMEMOLECOMPLEX.ANDTHENTHEEXAMPLESOFVIBRATIONDESTRUCTIONBCC,OLLLEMOREREMARKABLE.THECONDITIONMONITORINGANDFAULTDIAGNOSISOFAEROENGINEISBEINGINOGEANDLLL01EIMPORLANT.ITISALLIMPORTANTMCAFL,SFORDETERMININGTHECONDITIONSANDMAKINGFAULTDIAGNOSISOFTHE∞MEⅡG.MEBYMEASURINGITSWHOLEBODYVIBRATIONANDTHENMASTERINGVIBRATIOACHARACTERISTICSACCORAINGLY.INTHISPAPERTHEWHOLEBODYVIBRATIONTESTANDSIGNALANALYSISTECHNOLOGYOFAEFOENGIILCSAMPRESENTEDINDETAIL.TLAREEMETHODSFORACROELLGJNCWHOLEBODYFAULTDIAGNOSISALESTUDIEDSYSTEMICALLY,WHICHA∞BASEDONSPECTRUMANALYSIS,ILELVENETWORK刪ANDFAULTEQUATIONRESPECTIVELY.BYANALYZIAGTHEWHOLEBODYVIBRATIONSIGNALINTIMEANDFREQUENCYDOMAIN,VIBRATIONFAULTSOF∞FO如酉讎ALEDIAGNOSEDBASEDONTHESPEEMMAEHARAETERISDES.THENNMODELFORTHEAEFOEN酉NEWHOLEBODYVIBRATIONFAULTDIAGN06ISISBUILT,ANDWASTRAINEDWITHALLLOTLLLTOFSAMPLE,STOMAKEITLAAVETHEABILITYOFIDENTIFYINGTHEVIBRATIONFAULTPATTERNS.THEFAULTEQUATIOLAISBUILTBASEDOILTHEMAINCOMPONCRTTMODELOFFAULTDIAGNOSISOF∞ROENG.ME。THEVIBRATIONFAULTSOFAEROEILGINEAREDIAGNOSEDBYAPPLYINGTHEOPTIMIZATIONESTIMATIONANDTHEMAINCOMPONENTANALYSISMETHODTOCALCULATETHEFAULTEQUATION.INTHISPAPER,THEAER∞NGINEWHOLEBODYVIBRATIONFAULTDIAGNOSISSYSTEMWASALSOSETUPACCORDINGTOTHEABOVETHREEFAULTDIAGNOSISMETHODSBASED011MATLABANDVISUALC.FURFLLELMOLE,THEWHOLEBODYVIBRATIONFAULTSOFLLELOCNGILLEAFEDIAGNOSED.ITPROVEDTHATTHEABOVETHREEFAULTDIAGAOSISMETHODSPRESENTEDINTHETHESIS渤EFFICICNTLYDIAGNOSEFAULTSOFAE∞ⅡGIN∞.THEVIBRATIONFAULTDIAGNOSISEFFECTS甜EIMPROVEDBYUSINGTHESYNTHETICALFAULTDIAGNOSISMETHOD.METHODSUSEDINTHEDIAGNOSISANDSYSTEMDESIGNEDINTHISPAPERA∞VALUABLEFORAEROENGINEWHOLEBODYVIBRATIONFAULTDIAGNOSIS,
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 106
大?。?2.35(MB)
子文件數(shù):
-
簡介:工學碩士學位論文航天器姿態(tài)動力學系統(tǒng)魯棒自適應控制方法研究郭金花哈爾濱工業(yè)大學2008年6月CLASSIFIEDINDEXTP273UDC68152DISSERTATIONFTHEMASTER’SDEGREEINENGINEERINGROBUSTADAPTIVECONTROLALGITHMSRESEARCHFTHESYSTEMOFSPACECRAFTATTITUDEDYNAMICSCIDATEGUOJINHUASUPERVISPROFSONGSHENMINACADEMICDEGREEAPPLIEDFMASTEROFENGINEERINGSPECIALITYCONTROLSCIENCEENGINEERINGAFFILIATIONDEPTCONTROLSCIENCEENGINEERINGDATEOFDEFENCEJUNE2008DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 63
大小: 0.69(MB)
子文件數(shù):
-
簡介:哈爾濱工程大學碩士學位論文航空光電吊艙陀螺穩(wěn)定系統(tǒng)研究姓名李慶申請學位級別碩士專業(yè)導航、制導與控制指導教師談振藩20070201哈爾濱工程大學碩士學位論文ABSTRACTWJTHTHEDEVELOPMENTOFTHEPRECISIONGUIDEDWEAPONTECHNIQUEAIRBORNEELECTROOPTICALPODHASBECALLLEANIMPORTANTPARTOFFIGHTERPMCISEATTACKSYSTEMITISUSEDTOISOLATEANTERLLAPOINTINGFIOMTHEVEHICLESVARYINGATTITUDEANDDYNAMICALVIBRATIONANDRESEARCHLOCALIZEANDTRACETARGETSWITHELECTROOPTICALSENSORSITISVERYIMPORTANTFORTHENATIONALDEFENSECONSTRUCTIONOFOURCOUNTRYTODEVELOPALLBORNEELECTROOPTICALPODTHISPAPERMAINLYFOCUSESONSTUDYOFAIRBORNEELECTROOPTICALPODANDBUILDSTHEMATHEMATICMODDOFTHEPODTHEPODINCLUDESTWOAXES洲SYSTEMS舡EL,WHICHCONSISTOFSPEEDANDPOSITIONLOOPSTHESTANDARDOFPODCONTROLLERDESIGNISRELATIVELYHIGHBECAUSETHEAIRBORNEELECTROOPTICALPODISASYSTEMWHICHHASTHEGREATDELAYNONLINEARANDREQUIREMENTOFHIGHPRECISIONTRACKINGTHEDESIGNBASED011VARIABLESTNLCTORECONTROLVSCTHEORYISPROPOSEDINTHISPAPERCOMPAREDWITHCMTENTPOPULARCONTROLMETHODSTHECONTROLLERISDESIGNEDWITHTHEMETHODWHICHISVSCWITHPROPORTIONALLAWFORTHESPEEDANDPOSITIONLOOPSTHEEMULATIONBYMATLABINDICATESTHATTHESYSTEMPERFORMANCEISIMPROVEDEFFECTIVELYCOMPAREDWITHCLASSICPIDCONTROLLERANDTHESTABILIZATIONPRECISIONANDRESPONSE刪MEETTHEREQUIREMENTSOFTHESYSTEMDESIGNTHEVSCISDESIGNEDBYEXPONENTIALVELOCITYTRENAINGLAWANDAPPLIEDINTOPOSITIONLOOPOFEVERYLOOP,BECAUSETHEEXPONENTIALVELOCITYTRENDINGLAWWOULDBRINGABOUTVIBRATIONSEVERELYTHEEMULATIONSHOWSTHATTHESYSTEMVIBRATIONCALLBEDECREASEDEFFECTIVELYACCORDINGTOTHEPRACTICALENGINEERING,THEPAPERPROPOSETHEPRACTICALALGORITHMOFTHEVSCWITHEXPONENTIALVELOCITYTRENDINGLAWKEYWORDSAIRBORNEELECTROOPTICALPOD;VARIABLESTRUCTURECONTROLVSC;PROPORTIONALLAW;EXPONENTIALVELOCITYTRENDINGLAW
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 75
大?。?1.67(MB)
子文件數(shù):