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

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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(wǎng)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(wǎng)格中任務調度技術的研究IIABSTRACTABSTRACTTASKSCHEDULINGISONEOFTHEGRIDKEYTECHNOLOGIESWHOSEAIMISTHATUSER’TASKREQUESTCANBEDISTRIBUTEDTOGRIDRESOURCESREASONABLYWHICHCANACHIEVETHEAIMOFPERFMINGTASKEFFICIENTLYUSINGRESOURCESREASONABLYINSPECIALAVIATIONGRIDFAIRCRAFTVIRTUALDESIGNITINVOLVESALOTOFSUPERCOMPUTERSOFMATRIXTHEDIMENSIONOFMATRIXCANREACHMULTIMILLIONTHEUSER’TASKREQUESTNEEDSHIGHRESOURCECOMPUTINGCAPABILITYINDERTOPERFMTASKEFFICIENTLYTHERESEARCHONGRIDTASKSCHEDULINGTECHNOLOGYISABSOLUTELYNECESSARYFIRSTOFALLGRIDARCHITECTUREGRIDKEYTECHNOLOGYWASSTUDIEDGRIDTASKSCHEDULINGMODELTASKSCHEDULINGPROCESSSCHEDULINGALGITHMSWEREDEEPLYDISCUSSEDTHEACTERISTICSDEFICIENCYOFCURRENTGRIDTASKSCHEDULINGALGITHMWEREANALYZEDACCDINGTOTHEREQUESTOFSPECIALAVIATIONGRIDFAIRCRAFTVIRTUALDESIGNTHESPECIALAVIATIONGRIDMULTILEVELTASKSCHEDULINGSYSTEMWASDESIGNEDITSKEYFUNCTIONMODULESWEREDESIGNEDINDETAILGEICALGITHMWASIMPROVEDFROMEACHKEYLINKBASEDONTHEANALYSISOFITSACTERISTICSDEFICIENCYCOMBINEDWITHTHEACTERISTICSOFGLOBALSCHEDULERTHEREQUESTOFLARGESCALECOMPUTINGINAIRCRAFTVIRTUALDESIGNTHEGLOBALTASKSCHEDULINGALGITHMWASDESIGNEDTHEPARALLELISMOFGEICALGITHMWASANALYZEDCOMBINEDWITHTHEACTERISTICSOFLOCALSCHEDULERTHELOCALTASKSCHEDULINGALGITHMWASDESIGNEDTHESIMULATIONEXPERIMENTWASCARRIEDOUTWITHGRIDSIMSIMULATIONTOOLTHEEXPERIMENTALRESULTSINDICATETHATTHETASKCOMPLETIONTIMERESOURCEUTILIZATIONCOSTOFIMPROVEDGEICALGITHMWEREIMPROVEDTHEGLOBUSTOOLKITWASSTUDIEDTHELOCALSCHEDULINGSUBSYSTEMWASREALIZEDINITIALLYTHEFEASIBILITYEFFECTIVENESSOFTHESUBSYSTEMBYAPRACTICALEXAMPLEINTHESPECIALAVIATIONGRIDTASKSCHEDULINGSYSTEMFAIRCRAFTVIRTUALDESIGN，KINDSOFFACTSAIMINGATGRIDCOMPUTINGRESOURCEWASCONSIDEREDTHEPERFMANCEOFGRIDTASKSCHEDULINGWASIMPROVEDITWILLMAKETHEPAVEMENTFTHEDEVELOPMENTOFTECHNOLOGIESINAIRCRAFTVIRTUALDESIGNDOMAINKEYWDSGRIDGRIDARCHITECTUREVIRTUALDESIGNTASKSCHEDULINGGEICALGITHMQUALITYOFSERVICE

簡介：碩士學位論文非合作航天器單目視覺快速位姿確定算法研究APPROACHTOFASTRELATIVEPOSITIONATTITUDEDETERMINATIONBASEDONMONOVISIONFNONCOOPERATIVESPACECRAFTS楊琳雪哈爾濱工業(yè)大學2010年7月CLASSIFIEDINDEXTP273UDC68152DISSERTATIONFTHEMASTERDEGREEINENGINEERINGAPPROACHTOFASTRELATIVEPOSITIONATTITUDEDETERMINATIONBASEDONMONOVISIONFNONCOOPERATIVESPACECRAFTSCIDATEYANGLINXUESUPERVISPROFDUANGUANGRENDEPUTYSUPERVISPROFSONGSHENMINGACADEMICDEGREEAPPLIEDFMASTEROFENGINEERINGSPECIALTYCONTROLSCIENCEENGINEERINGAFFILIATIONCENTERFCONTROLTHEYGUIDANCETECHNOLOGYDATEOFDEFENCEJULY2010DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

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簡介：工學碩工學碩士學位論文士學位論文基于對偶四元數(shù)的航天器相對導航方法研究STUDYONRELATIVENAVIGATIONMETHODFORSPACECRAFTBASEDONDUALQUATERNION崔本杰崔本杰哈爾濱工業(yè)大學哈爾濱工業(yè)大學2009年6月CLASSIFIEDINDEXV4482UDC62978DISSERTATIONFORTHEMASTERDEGREEINENGINEERINGSTUDYONRELATIVENAVIGATIONMETHODFORSPACECRAFTBASEDONDUALQUATERNIONCANDIDATECUIBENJIESUPERVISORPROFSUNZHAOWEIACADEMICDEGREEAPPLIEDFORMASTEROFENGINEERINGSPECIALITYSPACECRAFTDESIGNAFFILIATIONRESEARCHCENTEROFSATELLITETECHDATEOFDEFENCEJUNE,2009DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

簡介：分類號UDC密級1933868學位論文航空薄壁結構件加工變形數(shù)值仿真研究作者姓名張延成指導教師鞏亞東教授申請學位級別學科專業(yè)名稱論文提交日期學位授予日期東北大學先進制造與自動化技術研究所碩士學科類別工學機械制造及其自動化2008年1月日2008年3月日評閱人矯穡，彳不謠論文答辯日期2008年2月日答辯委員會席參1灑叫東北大學2008年2月ADISSERTATIONINMECHANICALMANUFACTURINGANDAUTOMATIONTHENUMERICALSIMULATIONSTUDYONMACHININGDEFORMATIONOFTHEAERONAUTICTHINWALLEDSTRUCTURECOMPONENTSBYZHANGYANCHENGSUPERVISORPROFESSORGONGYADONGNORTHEASTERNUNIVERSITYFEBRUARY2008

簡介：中南大學碩士學位論文航空剎車用C/C復合材料摩擦磨損行為研究姓名李江鴻申請學位級別碩士專業(yè)材料學指導教師熊翔20020101中南大學碩士學位論文ABSTRACTC／CCOMPOSITESIS也ELATESTAIRCR硪銜CTIONMATERIALANDMEIR銜CTIONANDWEARPROPENIESAREVCRYIMPONANT．FRICTIONANDWEARPROPERTIESOFC／CCOMPOSITESF沁MDI日’ERENTTECHNIQUESWERESTUDIEDANDEH色CTSOFBRAL【INGSPEEDSAILDPRESSURESWEREALSOANALYZEDINORDERTOJNQUIREINTOTHEWOMMECHAJLISMS，T11EMORPHOLOGYANDS【RUCTUREOFWOMSURFACESAND、VEARDEB“SWEREEXAMINEDTHROUGHUSI“GOPTICALMICROSCOPHSCARMINGEKCTRONNLICROSCOPY，XRAYDIF疔ACTION，JASERRARNANMICMSPECTROSCOPY1FRICTIONANDWEARPROPERTIESOFC／CCOMPOSITESWITHDIFREREMPYROL”ICCARBONMICROSTRUCTUREWERESTUDIED．ITSHOWEDTHATC／CCOMPOSITESMAINLYWITHROU曲FAMJNARRLPYROJ如CCARBONHAVESMAIIUNIFOMLWEARDEBRJSANDTHEMOSCSTABIEFRICTIONAND、、EARPROPENIES，WHKHCANMAIM“NATHIGHBRAKINGSPEEDSANDPRESSUREANDTHELINEARⅥ’EARISUNDER2UN1／PLAIE．TIME，OWINGTOTHEHIGHESTDEGREESOFGRAPHITIZATIONANDTHERMALCONDUCTIVITIES．C／CCOMPOSITESMAINLYWITHSMOOM1AMINARSLPYR。L”ICCARBONHAVEUNSTABLEPROPENIESOFFHCTIONANDWEAROWJNGTOLOWERGRAPHITIZATIONDE目EESANDTHERMALCONDUC“VITIES．C，CCOMPOSITESIMPREGNATEDONLYBYPITCHHAVETHEHI曲ESTWEARRATESANDTHE1INEARWEARISUPTO2733UM／PLATETIME．2THEFRJCTIONANDWEARPROPC九JESOFC／CCOMPOSJTESUNDERDJFRERENTBRAKINGSPEEDSANDPRESSURESWEFESTUDIEDTHERESULTSSHOWEDATBRAKINGSPECDOF10N1／STHEREISAPEAKINCOEMCIENTOF_FRICTIONSPEEDCUⅣESWHENTHEBRAKINGPRCSSUREISKEPTAT60N／CM2，ANDWEARMTESINCFEASEDWITHBRAKINGSPEEDANDTHEWEIGHTLOSSINCREASED1ARGE】YATHJGHERBRAKINGSPEEDSOWI五GTOOXIDATION，ESPECIALIYTOC／CCOMPOSITESWITHIOWCONDUC“VITIES；WITHTHEJNCRCASEOFBRAKINGPRESSURETHECOEFNCIENTOFFRICTIONDECREASED1IGHTLYBUTTHEWEIGHTLOSSINCREASED，ESPECLALLYTOC／CCOMPOSITESWITH10WCONDUCTIVITIES．

簡介：西北工業(yè)大學碩士學位論文某型航空發(fā)動機數(shù)控仿真系統(tǒng)軟件設計研究姓名陳偉靜申請學位級別碩士專業(yè)控制理論與控制工程指導教師李華聰20030301西北工業(yè)大學碩學位論文ABSTRACTABSTRACTRESULTFROMTHEDEVELOPINGOFAEROPROPULSIONTECHNOLOGYANDMULTIVARIABLECONTROLTECHNOLOGYEXTRAHI曲CONTROLPRECISIONISDEMANDEDINORDERTOMEETTHEDEMAND，AEROENGINECONTROLSYSTEMBECOMESMOREANDMORECOMPLICATED，HYDRAULICSYSTEMTHATUSEDWIDELYINTHEPASTISHARDTOORCANNOTACHIEVETHATPRECISIONTHEDIGITALELECTRONICCONTROLLERCHARACTERSWITHHIGHRUNNINGSPEED，HIGHPRECISION，F(xiàn)LEXIBILITYINDESIGNINGETC，ITOVERWHELMSTHEOTHERDESIGNMETHODINAEROENGINECONTROLLERDESIGNWHATTHEPAPERDISCUSSESISPARTOFAEROEILGINEREALTIMEDIGITALELECTRONICCONTROLSIMULATIONSYSTEMTHROUGHANALYZINGTHEREQUIREMENTINTECHNOLOGYANDFUNCTIONSOFTHESYSTEM，THISPAPERPRESENTSTEEHNIQTIESTOBUILDTHESYSTEM，THEPAPERFOCUSESONSOFTWAREDESIGNING，INCLUDINGSIMULATINGDIGITALCONTROLLERCOMMUNICATINGBETWEENCOMPUTERSANDCOMPUTERWITHOTHERDEVICES，ANDGRAPHICSINTERFACEWITHUSERANDINTERFACESWITHHARDWARE，THEPROJECTCANMEETTHEREQUIREMENTFORENGINEERINGAPPLICATIONTHROU曲PRIMARYTESTINGKEYWORDSAEROENGINE，AEROENGINECONTROL，REALTIMEDIGITALELECTRONICSIMULATIONSIMULATIONSYSTEM，SOFTWAREDESIGN