簡介：碩士學位論文碩士學位論文航空器復雜密閉空間自然對流換熱及其熱分析研究NATURALCONVECTIONHEATTRANSFERSTUDYTHERMALANALYSISWITHINANAIRCRAFTCOMPLEXENCLOSEDSPACE張蓓哈爾濱工業(yè)大學哈爾濱工業(yè)大學2014年7月CLASSIFIEDINDEXTK123UDC62110167DISSERTATIONFTHEMASTERDEGREEINENGINEERINGNATURALCONVECTIONHEATTRANSFERSTUDYTHERMALANALYSISWITHINANAIRCRAFTCOMPLEXENCLOSEDSPACECIDATEZHANGBEISUPERVISAIQINGACADEMICDEGREEAPPLIEDFMASTEROFENGINEERINGSPECIALITYENGINEERINGTHERMOPHYSICSAFFILIATIONSCHOOLOFENERGYSCIENGDATEOFDEFENCEJULY2014DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

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簡介：南京航空航天大學碩士學位論文基于維修的民用航空器部件可靠性管理研究姓名毛欣申請學位級別碩士專業(yè)載運工具運用工程指導教師左洪福20071101南京航空航天大學碩士學位論文IIABSTRACTABSTRACTSAFETYISANETERNALTHEMEFORCIVILAVIATIONFORAIRLINES,SCIENTIFICRELIABILITYMANAGEMENTFORMAINTENANCEISANIMPORTANTAPPROACHNOTONLYTOGUARANTEESAFETYANDRELIABILITY,BUTALSOTODECREASEMAINTENANCECOST,IMPROVECOMPANYGENERALCOMPETITIVEABILITYANDIMPLEMENTTHEBALANCEOFSAFETY,RELIABILITYANDECONOMICBENIFITSTHETHESISISAIMINGATSOLVINGTHECRITICALPROBLEMSINRELIABILITYMANAGEMENTFORMAINTENANCE,IEMANAGEMENTMETHODANDSTRATEGYOFRELIABILITYMAINTENANCEATAIRLINESTHEPRIMARYWORKOFTHISTHESISINCLUDES1STUDIEDTHERELIABILITYANALYSISMETHODSOFAIRCRAFTCOMPONENTS,WHICHINCLUDESCOPEOFRELIABILITYANDPREDICTIONMETHODARELIABILITYANALYSISMODELISCREATEDBASEDONBAYESWHICHCANOPTIMIZERELIABILITYANALYSISANDPROVIDESOLIDDATAANDTHERITICALFOUNDATION2SIXSIGMAWASINTRODUCEDINTOTHEPROCESSOFAIRCRAFTRELIABILITYMANAGEMENTFORPROCESSOPTIMIZATIONWEHADSOMEBASICDISCUSSIONONTHEDIFFERENCEBETWEENTRADITIONALRELIABILITYPROCESSMANAGEMENTANDAIRCRAFTCOMPONENTSRELIABILITYPROCESSMANAGEMENTBASEDONDMAICFROMWHICH,THEADVANTAGESOFUSINGSIXSIGMAFORRELIABILITYPROCESSMANAGEMENTWERECONCLUDED3DEVELOPEDTHEMAINTENANCESTRATEGYOFAIRCRAFTCOMPONENTSCONSIDERINGTHEPHYSICALCHARACTERISTIC,SAFETYANDECONOMICDEMANDSOFCOMPONENTS,WESETUPTHEAGEDEPENDENTMAINTENANCEPOLICY,PERIODICMAINTENANCEPOLICY,SEQUENTIALMAINTENANCEPOLICY,FAILURELIMITPOLICYANDINSPECTIONMODELTOOPTIMISETHEMAINTENANCEPERIODSATLOWERCOSTANDHIGHERRELIABILITY4DISCUSSEDTHEIMPLEMENTATIONOFAIRCRAFTRELIABILITYANALYSISSYSTEMFORMAINTENANCE,ANDPROPOSEDANEWWORKINGMODEFORAIRCRAFTCOMPONENTSRELIABILITYANALYSISSYSTEM,WHICHCOMBINEDPROFESSIONALSTATISTICALANALYSISSOFTWAREANDAIRLINE’SDATABASESYSTEM5THEPRACTICALAPPLICATIONATSHANGHAIAIRLINESHASDEMONSTRATEDTHEVALIDITYOFRELIABILITYMAINTENANCEMANAGEMENTPRESENTEDINTHISWORKKEYWORDSRELIABILITYANALYSISCOMPONENTS,SIXSIGMABAYESMETHODMAINTENANCESTRATEGY

簡介：博士學位論文一類簇狀剛撓航天器模型與逆系統(tǒng)方法姿態(tài)控制研究ACLUSTERLIKERIGIDFLEXIBLESPACECRAFTMODELANDINVERSESYSTEM–BASEDATTITUDECONTROL胡立坤哈爾濱工業(yè)大學2007年10月國內圖書分類號TP13V44國際圖書分類號621629783工學博士學位論文一類簇狀剛撓航天器模型與逆系統(tǒng)方法姿態(tài)控制研究博士研究生胡立坤導師王慶超教授申請學位工學博士學科、專業(yè)一般力學與力學基礎所在單位航天學院答辯日期2007年10月授予學位單位哈爾濱工業(yè)大學

簡介：工學碩士學位論文高熱流密度航天器精確熱分析方法研究唐占文哈爾濱工業(yè)大學2008年6月CLASSIFIEDINDEXTN8218UDC530DISSERTATIONFORTHEMASTERDEGREEINENGINEERINGTHEALGORITHMRESEARCHONSPACECRAFTTHERMALCALCULATIONUNDERTHEHIGHHEATFLUXESCANDIDATETANGZHANWENSUPERVISORPROFKONGXIANRENACADEMICDEGREEAPPLIEDFORMASTEROFENGINEERINGSPECIALTYSPACECRAFTDESIGNAFFILIATIONRESEARCHCENTEROFSATELLITETECHNOLOGY,SCHOOLOFASTRONAUTICSDATEOFDEFENCEJUNE,2008DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

簡介：獨創(chuàng)性聲明】79O238小人∥ILJJ所‘T炎的學位淪文是本人在導師指導下進行的研究工作和取得的研究成果，除了義I，特刖加以標注和致謝之處外，論文中不包含其他人已經發(fā)表或撰1；過的研究成糶，也不包含為獲得丞洼王、業(yè)太堂或其他教育機構的學位或I正10HI使JF】過的材料。OJ我一M；I作的同志對本研究所做的任何貢獻均已在論文中作了明確的說明并衷示了謝意。學侮論文作哲簽名、，勿簽字H期炒7年7月衫同●學位論文版權使用授權書本學位論文作者完全了解丞洼王些太堂有關保留、使用學位論文的規(guī)定。特授權云洼王些太堂可以將學位論文的全部或部分內容編入有關數(shù)據(jù)庫進行檢索，并采用影印、縮印或掃描等復制手段保存、匯編以供查閱和借閱。同意學校向國家有關部門或機構送交論文的復印件和磁盤。保密的學位論文在解密后適用本授權說明學位論文作者簽名導師簽名≥迫釁≥珥釁簽字日期7∥海7月髟日簽字日期妒夕年9月2T同

簡介：、1分類號UDC注1密級1725785學位論文航空器進離場排序系統(tǒng)設計與實現(xiàn)指導教師姓名題名和副題名賴志堅作者姓名職務、職稱、學位、單位名稱及地址申請專業(yè)學位級別碩士專業(yè)學位類別程亟工程領域名稱筮鮭王程提交論文日期2010論文答辯日期2010學位授予單位和日期電子科墊太一堂答辯委員會主席主J；鴦評閱人查丞苤D監(jiān)2010年月日注1注明國際十進分類法UDC的類號獨創(chuàng)性聲明本人聲明所呈交的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。據(jù)我所知，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發(fā)表或撰寫過的研究成果，也不包含為獲得電子科技大學或其它教育機構的學位或證書而使用過的材料。與我一同工作的同志對本研究所做的任何貢獻均已在論文中作了明確的說明并表示謝意。簽名日期男口肜年鄉(xiāng)月／EL論文使用授權本學位論文作者完全了解電子科技大學有關保留、使用學位論文的規(guī)定，有權保留并向國家有關部門或機構送交論文的復印件和磁盤，允許論文被查閱和借閱。本人授權電子科技大學可以將學位論文的全部或部分內容編入有關數(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應遵守此規(guī)定簽名名咎

簡介：西北工業(yè)大學碩士學位論文計算機圖形圖像技術在航空弧齒錐齒輪檢測中的應用研究姓名劉振宇申請學位級別碩士專業(yè)機械電子工程指導教師方宗德20040301兩北R業(yè)人學610學位論義ABSTRACTASANEFFECTIVEASSISTANTMEANSTHECOMPUTERGRAPHICSIMAGETECHNIQUEHASINFILTEREDTHERESEARCHANDDEVELOPMENTOFOTHERSUBJECTSSTEPBYSTEPSPIRALBEVELGEARSAREWIDELYUSEDINAVIATIONTRANSMISSIONASKEYCOMPONENTSOFHELICOPTERCONTROLLINGTHEIRMESHINGQUALITYISANIMPORTANTANDDIFFICULTPROBLEMTHEPAPERSBACKGROUNDISATASKOFNATIONALDEFENCEADVANCERESEARCHANDTHEPAPERREGARDSCONTACTTRACEOFGEARSASRESEARCHOBJECTTHEPAPERHASSTUDIEDSELECTIVELYTHETECHNIQUEOFCOMPUTERGRAPHICANDIMAGEANDAPPLIEDITINTHEDETECTIONANDEVALUATIONOFSPIRALBEVELGEARSFIRSTLYTHEPAPERINTRODUCESTHEDEVELOPMENTANDAPPLICATIONOFCOMPUTERGRAPHICSIMAGETECHNIQUEDISCUSSESTHEPRINCIPLEANDMETHODOFCGANDDIGITALIMAGEPROCESSINGSUCHASMATRIXOFTHEGRAPHICTRANSFORMATIONHOMOGENEOUSREFERENCEFRAMESAMPLINGANDQUANTIZATIONOFTHEIMAGEFILEFORMATOFTHEIMAGETEMPLATEOPERATIONETCSECONDLYTHEPAPERINTRODUCESTHEPURPOSEANDMETHODOFIMAGEENHANCEMENTPROCESSINGEXPLAINSTHEEACHOCCASIONOFTHOSEMETHODSSUCHASTHRESHOLDTRANSFORMATIONSMOOTHINGPROCESSINGSHARPENINGPROCESSINGANALYZESANDCONTRASTSTHEPROCESSINGRESULTSOFOBJECTIMAGETHIRDLYTHEPAPERINTRODUCESTHEMETHODOFMATHEMATICSMORPHOLOGICEDGEDETECTIONANDTHINNINGPROCESSINGATAINSCHARACTERDESCRIPTIONOFIMAGEANDCHARACTERDOTSOFTHECONTOURFOURTHLYTHEPAPERPROCESSESTHECOORDINATETRANSFORMATIONTOCHARACTERDOTSANDBASICSPLINESFITTINGIMPORTSCORRELATIVECONDITIONTODEVISEMESHINGLINEANDMESHINGTRACKATLASTTHEPAPERIMPORTSTHEMETHODSOFISOLINEANDAREATILLINGANDSHOWSTHELOADLAYOUTOFSPIRALBEVELGEARSBYISOLINEANDAREAFILLINGTHEPAPERSUMSUPTHEBETERMETHODANDPROCESSBYCONTRASTINGTORESULTSFROMSEVERALPROCESSMETHODSTOCONTACTTRACEOFGEARSTHEPAPEROFFERSAVIABLEMETHODFORTHEDETECTIONANDEVALUATIONOFSPIRALBEVELGEARSTHISMETHODCANOFERREFERENCEFORAMENDINGOFTHEGEARTOOTHSURFACEANDPOSSESSESIMPORTANTSCIENTIFICANDAPPLIEDVALUEFORACTUALDESIGNAND

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