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

簡介：腐蝕是導致飛行器結構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合涂層防護技術充分發(fā)揮了納米材料的各種特異性能以及與基體之間的協(xié)同效應能使材料性能具有可設計性研究和開發(fā)新型超耐候、重防腐、高耐磨納米復合涂層材料對于飛行器設計具有十分重要的意義本文結合航空涂鍍層技術的國內外發(fā)展現(xiàn)狀基于金屬腐蝕與表面保護理論和納米復合材料設計與制備技術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涂料的抗紫外耐老化性能進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合材料的各種制備技術然后以防腐鍍鋅層為研究對象從本質上揭示了稀土和NI改善鍍層耐蝕性的機理并建立鍍鋅層中添加稀土和NI后的腐蝕模型運用復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果表明在相同的工藝條件下相對于純ZN鍍層納米CEOZN復合鍍層的耐蝕性能顯著提高而微米CEOZN復合鍍層的效果并不明顯在上述研究基礎上設計并運用高能球磨真空熱壓制備技術開發(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合效果本文的另一大類研究內容是運用共混技術通過添加納米SIO等優(yōu)良抗老化劑試圖對新型航空氟碳涂料進行改性結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械性能

簡介：碩士學位論文碩士學位論文航空發(fā)動機葉片氣膜孔電火花加工的電極補償技術研究RESEARCHONELECTRODECOMPENSATIONTECHNOLOGYOFAIRFILMCOOLINGHOLESONANAEROENGINEBLADEINEDM嚴驊嚴驊哈爾濱工業(yè)大學哈爾濱工業(yè)大學2015年7月CLASSIFIEDINDEXTG661UDC621DISSERTATIONFTHEMASTERDEGREEINENGINEERINGRESEARCHONELECTRODECOMPENSATIONTECHNOLOGYOFAIRFILMCOOLINGHOLESONANAEROENGINEBLADEINEDMCIDATEYANHUASUPERVISPROFGUOYONGFENGACADEMICDEGREEAPPLIEDFMASTEROFENGINEERINGSPECIALTYMECHANICALENGINEERINGAFFILIATIONSCHOOLOFMECHATRONICSENGINEERINGDATEOFDEFENCEJULY2015DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

簡介：西北工業(yè)大學碩士學位論文非航空電子系統(tǒng)監(jiān)控技術研究姓名馮宏文申請學位級別碩士專業(yè)計算機系統(tǒng)結構指導教師王福豹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＼844110學校代號10699學號00607G222碩士學位．論文專業(yè)學位研究生題目苤型越窒筮動扭地力調堇墨塑重差動扭掏監(jiān)究作者睦金豎領域航空王焦指導教師樊工掛佳周申請學位日期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UNIVERSITYOFELECTRONICSCIENCETECHNOLOGYOFCHINA碩士學位論文MASTERTHESIS論文題目航空發(fā)動機氣路部件退化仿真及健康評估學科專業(yè)機械設計及理論學號201221080309作者姓名李潤國指導教師陳中柘副教授

簡介：國內圖書分類號F5603國際圖書分類號629西南交通大學研究生’學位論文密級公開年級2QQ窆級姓名董基申請學位級別王堂擅專業(yè)童通運撿趣劍皇笪堡指導老師杜文教拯二零一六A序T一月一令一／＼月西南交通大學學位論文版權使用授權書本學位論文作者完全了解學校有關保留、使用學位論文的規(guī)定，同意學校保留并向國家有關部門或機構送交論文的復印件和電子版，允許論文被查閱和借閱。本人授權西南交通大學可以將本論文的全部或部分內容編入有關數(shù)據庫進行檢索，可以采用影印、縮印或掃描等復印手段保存和匯編本學位論文。本學位論文屬于1保密口，在年解密后適用本授權書；2不保密面，適用本授權書。請在以上方框內打“√”學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：南京航空航天大學碩士學位論文單相航空電源功率因數(shù)校正技術研究姓名范凱申請學位級別碩士專業(yè)電力系統(tǒng)及其自動化指導教師謝少軍20090201單相航空電源功率因數(shù)校正技術研究IIABSTRACTACTIVEPOWERFACTCRECTION（PFC）CANREDUCETHEHARMONICCONTENTOFINPUTCURRENTIMPROVETHEPOWERFACT（PF）INRECTIFIERSMUCHATTENTIONHASBEENPAIDONRESEARCHAPPLICATIONOFPFCINAVATIONPOWERSYSTEMTHEFUNDERMENTALFREQUENCYISHIGHTHESWITCHINGFREQUENCYISRESTRICTEDTOOBTAINHIGHEFFICIENCYTHEREFETHESWITCHINGFREQUENCYTOLINEFREQUENCYRATIOISLOWERTHANTHATINTHEUTILITYPOWERSYSTEMSWHICHRESTRICTSTHEPERFMANCEOFINTERIATEFREQUENCYPFCCONVERTERSTHISTHESISMAINLYFOCUSESONTHESTUDYOFACTIVEPFCWITHLOWSWITCHINGFREQUENCYTOLINEFREQUENCYRATIOFIRSTLYTHEOPERATIONPRINCIPLEOFBOOSTPFCCONVERTERISANALYZEDTHEPARAMETERDESIGNGUIDELINESOFTHEPOWERCIRCUITAREINTRODUCEDTHEANALYSISONTHERELATIONSHIPBETWEENTHESWITCHINGFREQUENCYTHESIZEOFTHERADIATINDUCTISGIVENTHESWITCHINGFREQUENCYISEDAS30KHZWITHOPTIMALDESIGNOFTHECONVERTERSIZEAVERAGECURRENTMODECONTROLOFBOOSTPFCCONVERTERISSTUDIEDTHECONTROLLERISDESIGNEDUSINGUCC3817CHIPTHEDESIGNMETHODOFCONTROLLERPARAMETERSISINTRODUCEDA250WPROTOTYPEISCONSTRUCTEDTHEZEROCROSSINGDISTTIONOFTHEINPUTCURRENTISSHOWNINTHESIMULATIONEXPERIMENTALRESULTSWHENTHESWITCHFREQUENCYIS30KHZTHEPOWERSUPPLYFREQUENCYIS400HZINNERLOOPTRANSFERFUNCTIONOFBOOSTPFCCONVERTERBASEDONAVERAGECURRENTMODECONTROLISDEDUCEDTHEPHENOMENATHATINPUTCURRENTPHASELEADTHELINEVOLTAGEISANALYZEDTHECONCLUSIONTHATCURRENTZEROCROSSINGDISTTIONISMAINLYCAUSEDBYLEADINGPHASEOFINPUTCURRENTISDRAWNATTHESAMETIMEANOVELCOMPENSATIONWKISDESIGNEDTOREDUCETHELEADINGPHASEOFINPUTCURRENTEXPERIMENTALRESULTSVERIFIEDTHEEFFECTIVENESSOFTHECOMPENSATIONWKINREDUCINGTHECURRENTZEROCROSSINGDISTTIONFINALLYTHEOCCCONTROLSTRATEGYBASEDONBOOSTPFCCONVERTERISSTUDIEDAPROTOTYPEUSINGIR1150SCONTROLINTEGRATEDCHIPISBUILTEXPERIMENTALRESULTSVERIFIEDTHETHEYANALYSISKEYWDSAVIATIONPOWERSYSTEMSPFCAVERAGECURRENTMODECONTROLONECYCLECONTROLBOOSTPFCCONVERTERSZEROCROSSINGDISTTIONLPAC

簡介：上海交通大學碩士學位論文某小型航空發(fā)動機燃燒室雙級渦流器優(yōu)化設計姓名李迎春申請學位級別碩士專業(yè)動力工程指導教師吳偉亮李概奇20080401IIOPTIMIZATIONDESIGNOFASMALLAEROENGINECOMBUSTORDOUBLESWIRLERABSTRACTOPTIMIZATIONDESIGNOFASMALLAEROENGINECOMBUSTORDOUBLESWIRLERABSTRACTTHISPAPERDESCRIBESANOPTIMIZATIONDESIGNOFASMALLAEROENGINECOMBUSTORDOUBLESWIRLERFORSOLVEAPROBLEMTHATOUTLETTEMPERATUREFIELDOFTHECOMBUSTORISINSTABLESOFTWAREFLUENTISUSEDFORNUMERICALSIMULATINGTHREEDIMENSIONALCOLDFLOWFIELDOFTHEDOUBLESWIRLER,ANDPIVMEASUREMENTSYSTEMISUSEDFORMEASURINGTHEFLOWFIELDTHREEDIMENSIONALNUMERICALSIMULATIONANDFLOWFIELDMEASUREMENTARECOMBINEDTOOPTIMIZETHEDOUBLESWIRLERFORTHEFIRSTTIMETHEOPTIMIZATIONDESIGNISCARRIEDONASFOLLOWINGATTHEFIRST,ATESTFACILITYISDESIGNEDFORTHESINGLEDOMEDOUBLESWIRLERFLOWFIELDMEASUREMENTANDBEFORETHEOPTIMIZATIONPROCESS,ATURBULENCEMODELUSEDINNUMERICALSIMULATIONHASBEENFIXEDBYCOMPARINGTHENUMERICALSIMULATIONDATAANDMEASUREMENTDATAOFORIGINALDOUBLESWIRLERAFTERWARDS,FIVEOPTIMIZATIONSCHEMESFOROUTLETEDGESHAPEOFSECONDARYSWIRLERAREADVANCED

簡介：中國民航大學碩士學位論文民用航空器使用困難信息統(tǒng)計預測研究姓名劉立明申請學位級別碩士專業(yè)飛行器設計指導教師田秀云20070306中國民航大學碩士學位論文ABSTRACTTHEVARIOUSDAMAGESORFAULTMAYBEFOUNDINTHESERVICEANDMAINTENANCEOFAIRCRAFT11LESERIOUSDAMAGEMAYCAUSEAIRCRANTOBEINDI伍CULTSERVICECONDITIONTHESERVICEDIFFFICULTRATEOFCIVILAIRCRAFIINCLUDINGTHEFAILURERATEREPORTEDBYALRCREWISTHEIMPORTANTMEASUREINDEXFORCIVILAIRCRAFT’SSAFETYOPERATIONACCURATELYFORECASTSERVICEDIFFICULTYRATEOFCIVILAIRCRAFTMAYPROVIDEDECISIONBASISTOIMPROVEAIRWORTHINESSANDMAINTELMBNCEMANAGEMENTINTHISTHESDS__ISVARIOUSFORECASTMETHOATHOMEANDABROADA’LEDISCUSSEDANDANALYZEDANDITISEMPHASIZEDTHATTHEAPPLICABILITYFORECASTINGCIVILAIRCRAFTSSERVICEDIFFICULTYRATEBYUSINGTHECLASSICALGRAYMODELGM1，1，APPROXIMATIONCENTERGM1，1ANDTIMINGRESIDUALSGM1，1N忙RESULTSSHOWTHATTHESATISFIEDFORECASTPRECISIONONCIVILAIRCRAFTSERVICEDIFFICULTYRATECANBEOBTAINEDBYUSINGCLASSICALGRAYMODELGM1，1THEEFFECTOFTHEHIAOFICALDATESEQUENCELENZDA011FORECASTRESULTISALSODISCUSSEDANALYSISSHOWSTHATTHERELATIVELYHIGHERFORECASTPRECISIONMAYBEOBTAINEDBYADOPTING12YEARLENGTHHISTODCULDATESEQUENCEASETOFSOFTWARESUITFORENGINEERINGHASBEENDEVELOPEDBYJA、，ALANGUAGE，ANDCANUSEDININTEMETTHESTATISTICALFORECASTSOFTWAREONCIVILAIRCRAFTSERVICEDIFFICULTMTEISCOMPILEDBYAUTHORANDITHASBEENINSTALLEDANDAPPLIEDINCIVILAIRCRAFTREPAIRSTATIONKEYWORDSSERVICEDIFFICULTRATE；FORECAST；GREYPRINCIPLEN

簡介：南京航空航天大學碩士學位論文基于小波神經網絡的航空發(fā)動機控制與試驗驗證姓名許光華申請學位級別碩士專業(yè)航空宇航推進理論與工程指導教師孫健國20080101基于小波神經網絡的航空發(fā)動機控制與試驗論證IIABSTRACTMULTIVARIABLEADAPTIVEPIDCONTROLSCHEMEISSTUDIEDFATURBOFANENGINEINTHISTHESISPIDCONTROLMETHODBASEDONWAVELETNEURALWKNEURALWKPIDCONTROLMETHODBASEDONWAVELETNEURALWKAREPROPOSEDFATURBOFANENGINESOFTWAREHASBEENDESIGNEDFTHEHARDWAREINLOOPSIMULATIONPLATFMARESEARCHISDONEBYTHISSOFTWAREINTHEHARDWAREINLOOPSIMULATIONPLATFMBENEFITEDFROMWAVELETTRANSFMBEINGCONSTRICTIVEFLUCTUANTITSHOWSEXCELLENTTEMPALFREQUENCYLOCALIZATIONPROPERTYWHILEITPOSSESSESSUCHMERITSASABILITYOFMAPPINGNONLINEARSYSTEMSSELFLEARNINGSELFADAPTATIONSOONTHUSTHISWKCONVERGESQUICKLYWITHHIGHPRECISIONGOODROBUSTNESSTHISTHESISADOPTSWAVELETNEURALWKASIDENTIFIERADJUSTSTHEPARAMETERSOFTHEPIDCONTROLLERONLINEGETSTHEGOODRESULTSATLASTWEUSESOMEEXAMPLESTOVERTIFYTHEVALIDOFTHEMETHODSABOVEUSINGACERTAINTURBOFANAEROENGINEMODELASSTUDYOBJECTTHECONTROLLERSAREDESIGNEDWITHINTHEFLYENVELOPWITHTHECONTROLMETHODABOVETOBUILDTHEHARDWAREINLOOPSIMULATIONPLATFMWEUSEACOMPUTERASMODELACOMPUTERASCONTROLLERC8051F021SINGLECHIPITSRELATIVECIRCUITASSENSTHEDEFINITIONOFDATAINTERFACETHECOMMUNICATIONBETWEENSIGNALSAREACCOMPLISHEDWEUSEVISUALC60TODEVELOPTHESOFTWAREOFMODELCONTROLLERDEVELOPTHESOFTWAREOFC8051F021SINGLECHIPBYSILICONLABATIESIDESOMEHARDWAREINLOOPSIMULATIONSHAVEBEENCONDUCTEDTOTESTTHERESEARCHRESULTSTHESIMULATIONSDOSHOWTHATTHESERESULTSREALLYHAVEPRACTICALVALUESKEYWDSAEROENGINESWAVELETNEURALWKMULTIVARIABLEADAPTIVEPIDCONTROLLERHARDWAREINLOOPSIMULATIONDATACOMMUNICATIONC8051F021SINGLECHIP

簡介：中國民用航空學院碩士學位論文航空發(fā)動機狀態(tài)評估系統(tǒng)開發(fā)姓名王帥申請學位級別碩士專業(yè)航空宇航推進理論與工程指導教師許春生20041220中國民用航空學院碩士學位論文ABSTRACTWITHTLLER印IDDEVELOPMENTOFINFBHNATIONTECHNOLOGYANDTHEAPPLICATIONOFMANAGERIALTECHNIQUEOFAEROENGINENECT，TLLEMAINTEN柚CEMODEOFAEROENGINEHASCHANGED伊EATLYNOWADAYS，出EOLDMAIMENAILCEMODEWHICHMAINTAINSAEROENGINESACCORDINGTOTHEHARDTIMEISCOMINGTOTLLEENDFOR旭EX扛RLORDINARYLOSSBO血INECONOMYANDTIMEMEALL、、HILE，ANEWLYDEVELOPEDMAINTENANCEMODEHASBEENIMPKMET埔EDONAEROEN西NES，WHICHBRINGFONVARDSTLLATTHEAEROENGINESSHOMDBEMAINTAINEDACCORDINGTOITSREALCIRCUMSTANCETOLEARNTLLEHEALTLLSTATEOFAEMENGINESEXACTLYAILDQUICKLY，WENEEDAGOODASSESSMENTMETHODTHROUGHWHICHWECAILAPPOINT出EOPTIMUMTIRLLEFOFTHEFEMOVALOFAEROENGINESANDDRAWUPTHERATIONALMAIMENANCEPL砌NG0NMEBASISOFANALYZINGTHEDI船DⅥMTAGEOFSEVERALCURRENTASSESSMENTMETHODSOFAEROENGINE，TLLEHEALTILASSESSMENTSYSTEMOFAEROENGINEISCONSTRUCTCDWITHAHP／組AL”ICALHIERARCHYPMCESSTLLEORYAILDFUZ巧MAMTHISASSESSMENTSYSTEMCANCOMBINEQUALITATIVEDATAWI血QUANTITATIVEDATABYUSINGSU_BJECTIONNNCTIONANDCANBEUSEDINWEIGHTINGASSESSMCNTOF也EHCALTLLS詛TEOFA咖EN百NEWECAILTHISMCTHODFAHPFUZZYANAL”ICALHIERARCHYPMCESSEVERYAEROENGINEPRODUCESA孽EATDEALOFDA詛INITSDAILY、、ORHNGPROCESS，THESEDATURNCOME矗OMNIGHTCOURSE，WORKSHOP，TESTCELLA11DETCBYUSINGFAHPLWECAILE瓶CIENTLYINTEGRATEALLVALUABLEINFBNNATIONOFANACROENGINETOA11INDEX、VHICHEMBODIESTHEHEAL也STATEOF血EAEROEN垂NETHERESUNOFQUEUINGAEROENGI工1ENEETACCORDINGTOTLLEHCAL也INDEXWILLBEVERYHEIPFULFORENGIILEERSTOMANAGETHEAEROENGINENEETMORECONV商ENTB趾DC伍DENTLYWI也恤SUPPORTOFAER0ENG岫ALLLIFEMANAGEM咖D撕BASE，WHICHISBASEDONOMCLEDATAB髂E，也CACROENGMINTEGRATEDWEIGHTQUEUINGSYSTEMISDEVELOPEDNLISSYSTEMCANDEALW燭ALLHNDOFDAMMOFAEMENGINEAUTOM鰣CALLY，QUICKLYANDPRECISELYJTSAPPLICATIONREALIZEST11EDATAUPDATCAILDDATASHAREWHICH刪SMAILYADVANTAGESFORTHEDEVELOPMEMOFLONGDISTANCEANDRE“TIMEASSESSMENTOFACROENGINEKEYWORDSENGINCALLLIFEMANAGEMENT；AHPANAL螄CHIERARCHYPROCESS；SUBJECTLONFHNCTIONHEALMASSESSMENTLI

簡介：南京航空航天大學碩士學位論文航空專用網格中任務調度技術的研究姓名丁瑞申請學位級別碩士專業(yè)計算機應用技術指導教師莊毅20080101航空專用網格中任務調度技術的研究IIABSTRACTABSTRACTTASKSCHEDULINGISONEOFTHEGRIDKEYTECHNOLOGIESWHOSEAIMISTHATUSER’TASKREQUESTCANBEDISTRIBUTEDTOGRIDRESOURCESREASONABLYWHICHCANACHIEVETHEAIMOFPERFMINGTASKEFFICIENTLYUSINGRESOURCESREASONABLYINSPECIALAVIATIONGRIDFAIRCRAFTVIRTUALDESIGNITINVOLVESALOTOFSUPERCOMPUTERSOFMATRIXTHEDIMENSIONOFMATRIXCANREACHMULTIMILLIONTHEUSER’TASKREQUESTNEEDSHIGHRESOURCECOMPUTINGCAPABILITYINDERTOPERFMTASKEFFICIENTLYTHERESEARCHONGRIDTASKSCHEDULINGTECHNOLOGYISABSOLUTELYNECESSARYFIRSTOFALLGRIDARCHITECTUREGRIDKEYTECHNOLOGYWASSTUDIEDGRIDTASKSCHEDULINGMODELTASKSCHEDULINGPROCESSSCHEDULINGALGITHMSWEREDEEPLYDISCUSSEDTHEACTERISTICSDEFICIENCYOFCURRENTGRIDTASKSCHEDULINGALGITHMWEREANALYZEDACCDINGTOTHEREQUESTOFSPECIALAVIATIONGRIDFAIRCRAFTVIRTUALDESIGNTHESPECIALAVIATIONGRIDMULTILEVELTASKSCHEDULINGSYSTEMWASDESIGNEDITSKEYFUNCTIONMODULESWEREDESIGNEDINDETAILGEICALGITHMWASIMPROVEDFROMEACHKEYLINKBASEDONTHEANALYSISOFITSACTERISTICSDEFICIENCYCOMBINEDWITHTHEACTERISTICSOFGLOBALSCHEDULERTHEREQUESTOFLARGESCALECOMPUTINGINAIRCRAFTVIRTUALDESIGNTHEGLOBALTASKSCHEDULINGALGITHMWASDESIGNEDTHEPARALLELISMOFGEICALGITHMWASANALYZEDCOMBINEDWITHTHEACTERISTICSOFLOCALSCHEDULERTHELOCALTASKSCHEDULINGALGITHMWASDESIGNEDTHESIMULATIONEXPERIMENTWASCARRIEDOUTWITHGRIDSIMSIMULATIONTOOLTHEEXPERIMENTALRESULTSINDICATETHATTHETASKCOMPLETIONTIMERESOURCEUTILIZATIONCOSTOFIMPROVEDGEICALGITHMWEREIMPROVEDTHEGLOBUSTOOLKITWASSTUDIEDTHELOCALSCHEDULINGSUBSYSTEMWASREALIZEDINITIALLYTHEFEASIBILITYEFFECTIVENESSOFTHESUBSYSTEMBYAPRACTICALEXAMPLEINTHESPECIALAVIATIONGRIDTASKSCHEDULINGSYSTEMFAIRCRAFTVIRTUALDESIGN，KINDSOFFACTSAIMINGATGRIDCOMPUTINGRESOURCEWASCONSIDEREDTHEPERFMANCEOFGRIDTASKSCHEDULINGWASIMPROVEDITWILLMAKETHEPAVEMENTFTHEDEVELOPMENTOFTECHNOLOGIESINAIRCRAFTVIRTUALDESIGNDOMAINKEYWDSGRIDGRIDARCHITECTUREVIRTUALDESIGNTASKSCHEDULINGGEICALGITHMQUALITYOFSERVICE

簡介：南昌大學碩士學位論文低壓鑄造在大型薄壁航空鋁合金鑄件上的應用研究姓名馮喜瑞申請學位級別碩士專業(yè)材料科學指導教師周浪甘武奎20071020ABSTRACTABSTRACTTHELOWPRESSURECASTINGTECHNOLOGYISAKINDOFMOREADVANCEDCASTTECHNOLOGY，THISTECLMOLOGYMECHANIZATIONANDAUTOMATIONLEVELISHIGH，CASTQUALITYISSTABILIZEDTHERESEARCHOFTHISPAPERSOLVESTHELARGEANDTHINWALLAERIALCASTMETALLURGICALQUALITYPROBLEMOFALUMINUMALLOYUSINGTHELOWPRESSUREC硼TILLGTECHNOLOGYTHROUGHCASTSMMTURALANALYSISANDTHELOWPRESSURECAST崦PRINCIPLEANALYSIS，HAVEDESIGNEDTHECASTSYSTEMANDGOUR∞1口ECHNOLOGYSCHEMEOFTHELOWPRESSURECASTING；THROLLGHCOMPUTERIMITATETOSOLIDIFYTECHNICALANDTECHNOLOGYEXPERIMENTFORCASTMGSYSTEM，CASTINGPRESSURE，CASTINGTIME，KNOTSHELLTIME，CRYSTALLIZATIONPRESSURE，DWELLTIMEANDCASTINGTEMPERATUREETCVERIFYORTESTMAKINGSULETHECASTPRODUCTIONTECHNOLOGYANDCOURSETECHNOLOGYPARAMETER，HAVESOLVEDCASTMETALLURGICALQUALITYPROBLEMANDMAKINGTHEQUALIFIEDRATEOFTHECASTT0RAISETO80％I【EYWORDLOWPRESSURECASTING；LARGETHINWALLCAST；ALUMINUMALLOY；COMPUTERSIMULATIONⅡ