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簡(jiǎn)介:南京航空航天大學(xué)碩士學(xué)位論文航空發(fā)動(dòng)機(jī)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(qǐng)學(xué)位級(jí)別碩士專業(yè)環(huán)境工程指導(dǎo)教師劉勇20080101航空發(fā)動(dòng)機(jī)二維模型燃燒室中碳黑顆粒生成數(shù)值模擬IIABSTRACTSOOTPARTICLESAREINEVITABLEOUTCOMEDURINGTHEHYDROCARBONFUELCOMBUSTIONWHICHARETHECOAGULATIONOFPAHSTHEYAREAIRPOLLUTANTSTHATAREHARMTOHUMANBODYCANMAKEASERIESOFATMOSPHERICENVIRONMENTEFFECTSINGASTURBINECOMBUSTSSOOTPARTICLESFMATIONRADIATIONCANAFFECTTHEACCURACYOFNUMERICALSIMULATIONESPECIALLYFTHEGASWALLTEMPERATUREINDERTOINVESTIGATESOOTPARTICLESDISTRIBUTIONINGASTURBINECOMBUSTSTHISPAPERPRESENTSDETAILEDMECHANISMSDETAILEDMODELOFSOOTFMATIONOXIDATIONTHEMAJCOMPONENTSCONCENTRATIONISGOTTENTHROUGHNUMERICALSIMULATIONOFCOMBUSTIONFLOWWITHC7H16DETAILEDCHEMICALKIICMECHANISMSTHENTHEYAREUSEDTOFEEDTHEMETHODOFMOMENTSTOGETTHESOOTPARTICLESDISTRIBUTIONUNDERTHETWODIMENSIONALBODYFITTEDGRIDTHETURBULENTACTERISTICSAREESTIMATEDBYKΕEQUATIONSTHEREACTINGRATIOISESTIMATEDBYEDDYDISSIPATIONCONCEPTMODELTHEFOURFLUXMODELISAPPLIEDTOPREDICTTHEHEATFLUXDISTRIBUTIONSSOASTOCONSIDERTHEINFLUENCEOFHEATRADIATIONONTHEGASTEMPERATUREWALLTEMPERATURETHEREACTINGMODELISPSRWHICHISUSEDINEVERYNODETHEMETHODOFMOMENTSISUSEDTODEALWITHSOOTPARTICLESSIZEDISTRIBUTIONTHEMECHANISMCOMPILERAPIFUNCTIONSOFCHEMKINCANSEPARATELYGENERATETHECONNECTINGDOCUMENTTREATCOMPLEXCHEMICALREACTIONITEMSDURINGTHEFTRANPROGRAMRUNNINGCONTROLVOLUMEMETHODISUSEDTODISCRETIZETHEGOVERNINGEQUATIONSONANONSTAGGEREDGRIDSYSTEMTHEDISCRETEEQUATIONSARESLOVEDWITHSIMPLEALGITHMTHEMETHODOFWALLFUNCTIONSINTHEARBITRARYCURVECODINATEISAPPLIEDTOTREATTHEPREDICTIONOFFLOWINTHENEARWALLREGIONTHEPAPERCONSIDERSFOURDIFFERENTKINDSOFEXCESSCOEFFICIENTTHREEVERTICALSECTIONOFGASTURBINECOMBUSTTHEANALOGYBETWEENTHERESULTTHEOTHERONEINTURBULENTJETDIFFUSIONFLAMEOFMETHANEAIRHAVEBEENTAKENVALIDATESTHEFEASIBILITYCRECTIONOFTHISMETHODPROCEDUREKEYWDSSOOTPARTICLESMETHODOFMOMENTSEDCMODELDETAILEDCHEMICALKIICMECHANISMENVIRONMENTALEFFECT
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上傳時(shí)間:2024-03-01
頁數(shù): 80
大?。?1.31(MB)
子文件數(shù):
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簡(jiǎn)介:上海交通大學(xué)碩士學(xué)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(xué)號(hào)1040342084導(dǎo)師朱杰教授副導(dǎo)師黨建成研究員申請(qǐng)學(xué)位工程碩士學(xué)科電子與通信工程所在單位電子信息與電氣工程學(xué)院答辯日期2013年04月授予學(xué)位單位上海交通大學(xué)
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 86
大?。?1.63(MB)
子文件數(shù):
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簡(jiǎn)介:中圖分類號(hào)V2341論文編號(hào)102870214S041學(xué)科分類號(hào)080703碩士學(xué)位論文航空活塞發(fā)動(dòng)機(jī)燃燒過程和特性的模擬研究研究生姓名劉國棟學(xué)科、專業(yè)動(dòng)力機(jī)械及工程研究方向動(dòng)力機(jī)械燃燒技術(shù)指導(dǎo)教師關(guān)玉璞教授南京航空航天大學(xué)研究生院能源與動(dòng)力學(xué)院二О一三年十二月承諾書本人聲明所呈交的博/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
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上傳時(shí)間:2024-03-01
頁數(shù): 75
大?。?6.52(MB)
子文件數(shù):
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簡(jiǎn)介:工程碩士學(xué)位論文某航空發(fā)動(dòng)機(jī)軸承的研制某航空發(fā)動(dòng)機(jī)軸承的研制佐景濤哈爾濱工業(yè)大學(xué)2008年6月CLASSIFIEDINDEXTB472UDC607DISSERTATIONFTHEMASTERDEGREEINENGINEERINGSTUDYONACERTAINBEARINGSOFAIRCRAFTENGINECIDATEZUOJINGTAOSUPERVISPROFCHENWEISHANACADEMICDEGREEAPPLIEDFMASTEROFENGINEERINGENGINEERINGFIELDMECHATRONICSENGINEERINGDATEOFALEXAMINATION7THJUN2008UNIVERSITYHARBININSTITUTEOFTECHNOLOGY
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上傳時(shí)間:2024-03-01
頁數(shù): 72
大?。?1.26(MB)
子文件數(shù):
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簡(jiǎn)介:學(xué)位論文題目基于線結(jié)構(gòu)光的航空發(fā)動(dòng)機(jī)葉片三維形貌測(cè)量技術(shù)研究作者姓名廖駿盲審編號(hào)201707Z08012中圖分類號(hào)TN247盲審編號(hào)201707Z08012碩士學(xué)位論文基于線結(jié)構(gòu)光的航空發(fā)動(dòng)機(jī)葉片三維形貌測(cè)量技術(shù)研究學(xué)科、專業(yè)儀器儀表工程專業(yè)代碼085203學(xué)位類別專業(yè)學(xué)位碩士專業(yè)學(xué)位碩士2017年6月RESEARCHONTHREEDIMENSIONALTOPOGRAPHYMEASUREMENTTECHNOLOGYOFAEROENGINEBLADEBASEDONLINESTRUCTURELIGHTADISSERTATIONSUBMITTEDFTHEDEGREEOFMASTERONINSTRUMENTMETERENGINEERINGBYLIAOJUNUNDERTHESUPERVISIONOFPROFXIAGUISUOCOLLEGEOFTESTINGOPTOELECTRONICENGINEERINGNANCHANGHANGKONGUNIVERSITYNANCHANGCHINAJUNE2017
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上傳時(shí)間:2024-03-01
頁數(shù): 88
大?。?8.07(MB)
子文件數(shù):
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簡(jiǎn)介:南京航空航天大學(xué)碩士學(xué)位論文面向飛行器設(shè)計(jì)的航空專用網(wǎng)格關(guān)鍵技術(shù)的研究與實(shí)現(xiàn)姓名馬奕平申請(qǐng)學(xué)位級(jí)別碩士專業(yè)計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師葉延風(fēng)20080101面向飛行器設(shè)計(jì)的航空專用網(wǎng)格關(guān)鍵技術(shù)的研究與實(shí)現(xiàn)IIABSTRACTTHEREQUIREMENTOFCOMPUTECAPABILITYINTHEMODERNAIRCRAFTDESIGNINCREASESSOSTENUTO,WHILETHECAPABILITYOFCOMMONCOMPUTERCAN’TMEETTHISREQUIREMENTBECAUSETHEGRIDCANCOLLECTTHECOMPUTATIONALRESOURCESONTHEWKTOSOLVETHEPROBLEMOFREQUIRINGMASSCOMPUTECAPABILITYINTHEMODERNAIRCRAFTDESIGNEFFECTIVELY,THERESEARCHONUSINGGRIDINMODERNAIRCRAFTDESIGNISVERYSIGNIFICATIVETHEACTUALITYOFGRIDINOUTABROADISANALYZEDINTHISTHESIS,OPENGRIDSERVICESARCHITECTUREOGSAOPENGIRDSERVICESINFRASTRUCTURESOGSIISDISCUSSEDASWELLTHEWEBSERVICERESOURCEFRAMEWKWSRFISRESEARCHEDON,ASALSOASTHELATESTSPECIFICATIONWSRESOURCETRANSFERWSRTTHINKINGOFTHEREQUIREMENTOFAIRCRAFTDESIGN,THEFRAMEOFAERONAUTICSPECIALGRIDASGISDEVISEDOWINGTOTHEREQUIREMENTOFHIGHPERFMANCECOMPUTE,THEBEFEHRESEARCHMODELBRMBASEDONTHEBEFEHRESEARCHSTRATEGYISDEVISEDWHICHISBUILDEDONTHEEXISTENTRESOURCEDISCOVERYMECHANISMMDSADOPTEDBYGLOBUSISANALYZED,MAKEEXPERIMENTRESPECTIVELYONBRMMDS,THENCONTRASTTHERESULTOFBRMWITHMDS,RESEARCHONTHEFACTSTHATINFLUENCETHEPERFMANCEOFBRMTHERESULTOFEXPERIMENTATIONTURNSOUTTHATTHEPERFMANCEOFBRMISHIGHERTHANMDSEVIDENTLYINTHEAERONAUTICSPECIALGRIDANALYZETHEGLOBUSTOOLKIT40SEARCHAFTERTHEMETHODOFCONFIGURINGGRIDDEVELOPMENTENVIRONMENTTHEHIGHDERMATRICESPROBLEMINAIRCRAFTDESIGNISEXPLED,THEHIGHDERMATRICESDECREASINGDIMSSERVICEISIMPLEMENTEDELEMENTARILYATLASTTHEBRMDEVISEDINTHISTHESISITSALGITHMCANIMPROVETHESPEEDOFRESOURCEDISCOVERYOBVIOUSLYINASGTHEHIGHDERMATRICESDECREASINGDIMSSERVICECANMEETTHEREQUIREMENTOFMASSCOMPUTECAPABILITYINMODERNAIRCRAFTDESIGNKEYWDSGRID,AIRCRAFTDESIGN,GLOBUSTOOLKIT,RESOURCEDISCOVERY,GRIDSERVICE
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上傳時(shí)間:2024-03-01
頁數(shù): 75
大?。?0.47(MB)
子文件數(shù):
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簡(jiǎn)介:西北工業(yè)大學(xué)碩士學(xué)位論文通用航空總線實(shí)時(shí)測(cè)試與分析技術(shù)研究姓名寧偉申請(qǐng)學(xué)位級(jí)別碩士專業(yè)計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)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
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上傳時(shí)間:2024-03-01
頁數(shù): 64
大?。?1.83(MB)
子文件數(shù):
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簡(jiǎn)介:中圖分類號(hào)V2337論文編號(hào)102870214S082學(xué)科分類號(hào)082502碩士學(xué)位論文航空發(fā)動(dòng)機(jī)分布式控制系統(tǒng)通信總線研究研究生姓名關(guān)越學(xué)科、專業(yè)航空宇航推進(jìn)工程與理論研究方向分布式控制系統(tǒng)指導(dǎo)教師潘慕絢副教授南京航空航天大學(xué)研究生院能源與動(dòng)力學(xué)院二О一三年十二月承諾書本人聲明所呈交的博士學(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
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 102
大?。?5.16(MB)
子文件數(shù):
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簡(jiǎn)介:洳≥J、曾博士學(xué)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(dǎo)教師柯映林教授學(xué)科專業(yè)機(jī)械制造及其自動(dòng)化所在學(xué)院機(jī)械與能源工程學(xué)院提交日期二零零三年十二月I浙江大學(xué)博JJ學(xué)位論文的計(jì)算公式。對(duì)復(fù)雜零件,研究了二倍彈性斜率法及切線交點(diǎn)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(yīng)力耦合作用效果的有限元計(jì)算,進(jìn)一步研究了殘余應(yīng)力對(duì)工件極限承載能力及安全校正載荷的影響。對(duì)于典型的隔框?qū)嵗慵o出了不同變形校正時(shí)的安全校正參數(shù)。第七章給出本學(xué)位論文的結(jié)論和進(jìn)一步研究的展望。附錄對(duì)振動(dòng)校形和振動(dòng)消除殘余應(yīng)力的關(guān)鍵技術(shù)進(jìn)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?dú)堄鄳?yīng)力安全校正極限載荷本論文研究得到了國家自然科學(xué)基金項(xiàng)目、國防軍工項(xiàng)目、教育部博士點(diǎn)基金項(xiàng)目等課題的資助
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上傳時(shí)間:2024-03-01
頁數(shù): 129
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簡(jiǎn)介:K分類號(hào)UDC密級(jí)1935080學(xué)位論文航空發(fā)動(dòng)機(jī)葉片疲勞的損傷力學(xué)研究及外物損傷影響作者姓名周勝田指導(dǎo)教師黃寶宗教授東北大學(xué)理學(xué)院申請(qǐng)學(xué)位級(jí)別博士學(xué)科類別工學(xué)學(xué)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(xué)位授予日期勾O8年3同論文答辯日期2007年11月懶會(huì)主席剮弒評(píng)閱人斛狀槲訐I舀。嗣仁嗣售嗣餾東北大學(xué)2007年L1月,‘●IITADISSERTATIONINSTRUCTURALESTUDYONFATIGUEOFAIRENGINEBLADESBYDAMAGEMECHANICSANDINFLUENCEOFFOREIGNOBJECTDAMAGEBYZHOUSHENGTIANSUPERVISORPROFESSORHUANGBAOZONGNORTHEASTERNUNIVERSITYNOVEMBER2007P3IP
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上傳時(shí)間:2024-03-01
頁數(shù): 140
大小: 5.2(MB)
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簡(jiǎn)介:圖書分類號(hào)H133§§UDC620V密級(jí)韭蜜碩士學(xué)位論文航天發(fā)射塔回轉(zhuǎn)平臺(tái)狀態(tài)質(zhì)量檢測(cè)技術(shù)研究塞蠶筮指導(dǎo)教師姓名、職稱潘塞迭熬授塑漫起煎攮申請(qǐng)學(xué)位級(jí)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(xué)位授予日期年至臼5月19日月日論文評(píng)閱人塞篷羞副塾援蕙置墓副熬授答辯委員會(huì)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
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上傳時(shí)間:2024-03-01
頁數(shù): 66
大小: 1.88(MB)
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簡(jiǎn)介:電子科技大學(xué)UNIVERSITYOFELECTRONICSCIENCETECHNOLOGYOFCHINA專業(yè)學(xué)位碩士學(xué)位論文MASTERTHESISFPROFESSIONALDEGREE(電子科技大學(xué)圖標(biāo))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(xué)位類別工程碩士學(xué)號(hào)200892508014作者姓名張薇指導(dǎo)教師何羚副教授RESEARCHONGENERALOPENSOFTWAREARCHITECTUREFDISTRIBUTEDAVIONICSSYSTEMATHESISSUBMITTEDTOUNIVERSITYOFELECTRONICSCIENCETECHNOLOGYOFCHINAMAJSOFTWAREENGINEERINGAUTHZHANGWEIADVISHELINGSCHOOLSCHOOLOFAERONAUTICSASTRONAUTICS
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上傳時(shí)間:2024-03-01
頁數(shù): 95
大?。?2.08(MB)
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簡(jiǎn)介:零琵踢魯BJ、工重G魄研究生碩士學(xué)位論文論霉鏨目航空發(fā)動(dòng)步嶝機(jī)振動(dòng)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(jìn)理論與工程研究方向航空發(fā)動(dòng)機(jī)強(qiáng)度、振動(dòng)及噪聲指導(dǎo)教師艾延建教榭零毒B爭(zhēng),舟沈陽航空工業(yè)學(xué)院碩士學(xué)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(shí)間:2024-03-01
頁數(shù): 106
大?。?2.35(MB)
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簡(jiǎn)介:工學(xué)碩士學(xué)位論文航天器姿態(tài)動(dòng)力學(xué)系統(tǒng)魯棒自適應(yīng)控制方法研究郭金花哈爾濱工業(yè)大學(xué)2008年6月CLASSIFIEDINDEXTP273UDC68152DISSERTATIONFTHEMASTER’SDEGREEINENGINEERINGROBUSTADAPTIVECONTROLALGITHMSRESEARCHFTHESYSTEMOFSPACECRAFTATTITUDEDYNAMICSCIDATEGUOJINHUASUPERVISPROFSONGSHENMINACADEMICDEGREEAPPLIEDFMASTEROFENGINEERINGSPECIALITYCONTROLSCIENCEENGINEERINGAFFILIATIONDEPTCONTROLSCIENCEENGINEERINGDATEOFDEFENCEJUNE2008DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 63
大?。?0.69(MB)
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簡(jiǎn)介:哈爾濱工程大學(xué)碩士學(xué)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(qǐng)學(xué)位級(jí)別碩士專業(yè)導(dǎo)航、制導(dǎo)與控制指導(dǎo)教師談?wù)穹?0070201哈爾濱工程大學(xué)碩士學(xué)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(shí)間:2024-03-01
頁數(shù): 75
大?。?1.67(MB)
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