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簡(jiǎn)介：學(xué)校代碼10406分類號(hào)TQ6304密級(jí)學(xué)號(hào)060080502010題目航空用新型RTV2有機(jī)硅膠黏劑的研制作者蔣頌波學(xué)科、專業(yè)材料學(xué)指導(dǎo)教師王云英申請(qǐng)學(xué)位日期201005PREPARATIONSTUDYINGOFRTV2SILICONEADHENSIVEFAIRCRAFTADISSERTATIONSUBMITTEDFTHEDEGREEOFMASTERONMATERIALSCIENCEBYJIANGSONGBOUNDERTHESUPERVISIONOFPROFWANGYUNYINGSCHOOLOFMATERIALSCIENCEENGINEERINGNANCHANGHANGKONGUNIVERSITYNANCHANGCHINA052010

簡(jiǎn)介：南京航空航天大學(xué)碩士學(xué)位論文模板化航空靜止變流器逆變環(huán)節(jié)研究姓名陳萬(wàn)申請(qǐng)學(xué)位級(jí)別碩士專業(yè)電力電子與電力傳動(dòng)指導(dǎo)教師謝少軍20040201模板億航空靜丘交流器逆交環(huán)節(jié)豁研究ABSTRACTATPRESENTTHECONCENTRATEDPOWERCONVERSIONISADAPTEDBYMOSTOFTHEAVIATIONSTATICINVERTERFASI．ITMAKESACONCENTRATEDHEATANDAPOORRELIABILITY．玨THISPAPERANEWMODULARIZATIONASICENTEREDACASCADEINVERTERISPRESENTED．THESTRATEGY“HASTHEADVANTAGEINMODULARIZATIONANDHI曲CONVERSIONEFFICIENCY,ITCANALSOREALIZEENERGYCONVERSIONINDISTRIBUTIONANDHI曲POWERDENSITY．CASEADEINVERTERSHOWSTHEVIRTUEINSTRUCTUREANDCONTROLSTRATEGIESCOMPARETODIODECLAMPEDMULTILEVELIRIVETERANDFLYINGCAPACITORMULTILEVELINVE癌ENTHEVOLUMEOFTHEOUTPUTFILTERCANHEREDUCEDGREATLYUSEDINCASCADEINVERTERWITHCARRIERPHASESHIFTEDSP’泖暖TECHNOLOGYWHICHHASAHIGHEQUIVALENTSWITCHINGFREQUENCYANDAGOODOUTPUTSINEWAVE．ITISTHEBASEOFTHEHI出POWERDENSITYOFASI．TOQUICKENTHEDYNAMICRESPORLSEOFASI．ACARRENTMODECONTROLTECHNOLOGYWITHINSTANTANEOUSCAPACITORCURRENTFEEDBACKISADAPTEDINTHISPARELINVERTERSWITHTHISTECHNOLOGYHAVEADVANTAGESINDYNAMICRESPONSE，OUTPUTCHARACTERISTIC，THEADAPTIVECAPABILI鉀INNONLINEARLOADCOMPARETOTRADITIONALINDUCTORCURRENTFEEDBACK，ACASCADEASIEXPERIMENTALPROTOTYPEWITHINSTANTANEOUSCONTROLSTRATEGYISACCOMPLISHED．ALLTHEGUIDELINESATTAINTHEEXPECTEDREQUESTINTHEALLSIDEDTESTS．KEYWORDSASI，CASCADEINVERTER,CARRIERPHASESHIFTEDSPWM，INSTANTANEOUSCONTROL

簡(jiǎn)介：工學(xué)博士學(xué)位論文工學(xué)博士學(xué)位論文航天器編隊(duì)姿態(tài)協(xié)同控制方法研究航天器編隊(duì)姿態(tài)協(xié)同控制方法研究STUDYONATTITUDECOORDINATIONCONTROLOFSPACECRAFTFORMATION靳爾東靳爾東2009年10月CLASSIFIEDINDEXV4482UDC62978DISSERTATIONFORTHEDOCTORALDEGREEINENGINEERINGSTUDYONATTITUDECOORDINATIONCONTROLOFSPACECRAFTFORMATIONCANDIDATEJINERDONGSUPERVISORPROFSUNZHAOWEIACADEMICDEGREEAPPLIEDFORDOCTOROFENGINEERINGSPECIALITYSPACECRAFTDESIGNAFFILIATIONSCHOOLOFASTRONAUTICSDATEOFDEFENCEOCT,2009DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

簡(jiǎn)介：中國(guó)科學(xué)院空間科學(xué)與應(yīng)用研究中心碩士學(xué)位論文航天GPS數(shù)據(jù)采集、處理及地面檢測(cè)系統(tǒng)的研究姓名陳澤江申請(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)教師范建軍20050101ABSTRACTTHERESEARCHFORSPACEGPSDATACOLLECTION、PROCESSINGABSTRACTTHISTHESISISBASEDONSPACEGPSDATARECEIVINGANDORBITDETERMINATION，ANDDEVELOPSTHEAUXILIARYGPSDATAPROCESSINGUNITANDCONCERNINGWORK．FIRSTTHETHESISINVESTIGATEDTHEPRELIMINARYKNOWLEDGEABOUTGPS，ANDANALYZEDTHEREQUIREMENTOFTHEAUXILIARYGPSDATAPROCESSINGUNIT，F(xiàn)ROMCHIPSELECTION，HARDWAREDESIGNTOTHEREALIZATIONOFTHESOFTWAREANDACCOMPLISHEDTHEDESIGNOFTHESYSTEM，ANDACHIEVEDTHETRANSPLANTATIONOFTHERTODREALTIMEORBITDETERMINATIONSOFTWARETOTHEOSBASEDONARM，ANDFINALLYDEBUGGEDANDOPTIMIZEDTHEMATHMODELINTHERTODSUCHASEKFEXTENDEDKALMANFILTERWITHTHEREALDATABEFORE．THERTODHASBEENAPPLIEDTOTHEFACTUALWORK．ACCORDINGTOTHEREQUIREMENTOFTHEGPSDATARECEIVINGANDRTOD，THETHESISDESIGNEDTHECONCERNINGSYSTEMTOVALIDATETHEDATA．ITCONSTRUCTEDTHESYSTEM，ANDACHIEVEDTHEREQUIREMENTANALYSIS，DESIGN，CODINGANDDEBUGGING．THESYSTEMCANANALYZETHEORBITDATAFROMRTOD，ANDPROCESSTHERESULT，ETC．THESOFTWAREHASBEENAPPLIEDTOTHEFACTUALWORKANDTESTIFIEDTHECORRECTNESSOFTHESYSTEM．KEYWORDSGPS、ARM、RTOD、EKF、DATAPROCESSING、5

簡(jiǎn)介：西北工業(yè)大學(xué)碩士學(xué)位論文航空用7AO9鋁合金型材雙級(jí)過(guò)時(shí)效應(yīng)用研究姓名蔣敏申請(qǐng)學(xué)位級(jí)別碩士專業(yè)機(jī)械工程指導(dǎo)教師李鐵虎龍國(guó)榮20050901摘愛時(shí)效除了影響基體析出相的結(jié)構(gòu)外，還改變了晶界的結(jié)構(gòu)，T6單級(jí)人工時(shí)效狀態(tài)，在晶界析出的第二相質(zhì)點(diǎn)尺寸小、密度高，甚至有時(shí)呈鏈狀金屬間化合物分布，易構(gòu)成陽(yáng)極通路，增加了陽(yáng)極溶解過(guò)程，因而增大了應(yīng)力腐蝕傾向，而經(jīng)雙級(jí)過(guò)時(shí)效工藝熱處理的合金，晶界的析出物發(fā)生聚集長(zhǎng)大后，第二相質(zhì)點(diǎn)間距較大，可減輕陽(yáng)極溶解過(guò)程，因而有較高的抗蝕能力。關(guān)鍵詞7A09型材，雙級(jí)過(guò)時(shí)效，T6單級(jí)人工時(shí)效，組織，力學(xué)性能，電導(dǎo)率Ⅱ

簡(jiǎn)介：中國(guó)科學(xué)技術(shù)大學(xué)碩士學(xué)位論文民航空管信息處理系統(tǒng)設(shè)計(jì)與實(shí)現(xiàn)的關(guān)鍵技術(shù)研究姓名唐中元申請(qǐng)學(xué)位級(jí)別碩士專業(yè)計(jì)算機(jī)應(yīng)用指導(dǎo)教師王煦法200191ABSTRACTCIVI】AVIATIONAIRTR戚CINFORMATIONSYSTEMCAATIS．ARLIMPORTANTAPPLICATIONOFCOMPUTERTECHNOLOGYINTHEFIELDOFAIRTRAFFICCONTROL，PLAYSANIMPORTANTROLEINENSURINGTHEFLIGHTSAFETYBYUSINGTHELATESTCOMPUTERPROGRAMMINGTECHNIQUESDIRECTLY,OPERATINGSYSTEMTHEORIES，NETWORKANDDATABASETECHNOLOGY．WITHTHEHI曲SPEEDDEVELOPMENTOFTHECIVILAVIATIONTRAFTICINDUSTRYINOURCOUNTRY，THEWAYOFOURAIRCONTROLMANAGEMENTINFORMATIONPROCESSINGDROPSBEHIND．N訌SARTICLE．BASEDLARGELYONPRACTICALAPPLICATIONENVIRONMENTOFSTUDYINGCAATISANDMYPERSONALEXPERIENCEINHEADINGTHECAATISRESEARCHPROJECT，HASCOMPREHENSIVELYANALYZEDTHEAPPLICATIONTECHNOLOGYOFCAANSFROMTHEASPECTOFSOFCWAREENGINEERING．THEFOLLOWINGISSUESHAVEBEENSTUDIEDINTHISARTICLE1．THECONCURRRENCYSTRATEGIESMCSMFI．E．MESSAGESYSTEM．CRITICALSECTION．SYNCHRONIZATIONMUTEXHASBEENDESIGNEDANDIMPLEMENTEDINCAATIS．THEDESIGNANDAPPLICATIONOFMCSMHASIMPROVEDTHEDATAPROCESSINGABILITYOFCAATISANDTHEUTILIZATIONOFRESOURCES．2．E矗BCTIVEANDEFFICIENTMETHODSHAVEBEENINCORPORATEDINITSFUNCTIONSWHICHHAVEGREATLYIMPROVEDTHEOVERALIPERFORMANCEOFCAATISANDTHECOMLTLUNICATIONCAPABILITYINALLUSIONTOMULTIPLECODECONVENEDANDSERIALCOMMUNICATIONANDNETWORKCOMMUNICATIONINJUXTAPOSITION．3．THEMETHODOFDESIGNTHEDATABASEOFCAATISBYUSINGSEMANTICOBJECTMODELWHICHHASGREATLYIMPROVEDTHEEFFICIENCYOFCREATINGMODEIS，WIELDYFUNCTIONS，TRANSPLANTANDEXPANSION．4．BASEONTGLDTELEGRAPHGROUPLOGIC．DISCERNMENT．ITMAKESCAATISHAVETHEUNIQUETECHNOLOGYOFTHEIDENTIFICATIONANDHANDLINGOFTELEGRAPHS．5．THEPREDICTIVEALGORITHMISINTRODUCEDINTOTHISS37STEMFWSTLYINTHEDOMESTICSIMILARSYSTEMS．THCCORRESPONDINGFUNCTIONSHAVEINVARIABLYPLAYEDACRITICALROLEINSAFEGUARDINGFLIGHTSAFETY．ONTHEBASISOFSOLVINGTHEABOVEPROBLEMS,THEEFFECTIVENESSOFTHEDESIGNANDTHETECHNOLOGYDISCUSSEDHEREHAVEBEENVALIDATEDINPRACTICE．THEISSUESANALYZEDHEREAREQUITECOMMONANDUNIVERSAL，THEREFORETHESOLUTIONSTOTHESEPROBLEMSAREOFPRACTICALSIGNIFICANCEMADAREWORTHSPREADINGANDPOPULARIZING，

簡(jiǎn)介：工學(xué)博士學(xué)位論文分布式微型航天器的時(shí)鐘同步研究CLOCKSYNCHRONIZATIONRESEARCHFDISTRIBUTEDMICROSPACECRAFTSYSTEM龔曉春哈爾濱工業(yè)大學(xué)2007年10月CLASSIFIEDINDEXV4431UDC62138DISSERTATIONFTHEDOCTALDEGREEINENGINEERINGCLOCKSYNCHRONIZATIONRESEARCHFDISTRIBUTEDMICROSPACECRAFTSYSTEMCIDATEGONGXIAOCHUNSUPERVISPROFXUGUODONGACADEMICDEGREEAPPLIEDFDOCTOFENGINEERINGSPECIALTYMICROELECTRONICSSOLIDELECTRONICSAFFILIATIONRESEARCHCENTEROFSATELLITETECHDATEOFDEFENCEOCTOBER2007DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

簡(jiǎn)介：西北工業(yè)大學(xué)碩士學(xué)位論文嵌入式航空發(fā)動(dòng)機(jī)數(shù)字電子控制器設(shè)計(jì)研究姓名韓小寶申請(qǐng)學(xué)位級(jí)別碩士專業(yè)控制理論與控制工程指導(dǎo)教師李華聰20050301西北「業(yè)人學(xué)碩了學(xué)位論文ABSTRACTABSTRACTFORPURSUINGTHEHIGHQUALITYOFMODEMAEROPROPULSIONSYSTEMTHESTRUCTUREANDCONTROLSYSTEMOFAEROENGINEHASBEENBECOMINGMOREANDMORECOMPLICATEDBECAUSEOFTHEIMPLEMENTATIONOFCOMPLEXCONTROLTHEORYANDSAFETYEFICIENTWORKOFAEROENGINEITHASBEENTHETRENDTHATTHEDIGITALELECTRONICCONTROLSYSTEMSUBSTITUTESTHETRADITIONALHYDRAULICCONTROLSYSTEMTHISLEADSTHECONTROLTECHNOLOGYOFAEROPROPULSIONSYSTEMTOANEWSTAGEBYSTUDYINGAEROENGINECONTROLTECHNOLOGYANDTHELATESTDEVELOPMENTOFHARDWARESOFTWAREINCONTROLTECHNOLOGYTHEADVANCEDTECHNOLOGYOFEMBEDDEDSYSTEMWASINTRODUCEDTOSOLVETHEPROBLEMWHICHSHOWNINTHEPROCESSOFDEVELOPINGTHEAEROENGINEDIGITALELECTRONICCONTROLSYSTEMINOURCOUNTRYTHEJT15D4AEROENGINEWASCHOSEASTHECONTROLOBJECTANDTHEWHOLEDESIGNOFTHEAEROENGINEDIGITALELECTRONICCONTROLSYSTEMWASGIVENBYUSINGTHETECHNOLOGYOFEMBEDDEDSYSTEMDIGITALELECTRONICCONTROLLERTHESOULPARTOFTHEDIGITALCONTROLSYSTEMWASSTUDIEDFROMTWOASPECTSOFHARDWAREANDSOFTWARETHEHARDWARESTRUCTUREANDTHESENSORSIGNALCONDITIONINGWASSTUDIEDASTHEMAINPARTOFHARDWAREWORKJOINEDWITHTHEMETHODSOFSOFTWAREPATTERNSTIMETRIGGEREDEMBEDDEDDIGITALELECTRONICCONTROLLERPATTERNANDTHESOLUTIONWASGIVENINTHISPAPERANOPENINGANDUPDATEABLEBASICSTRUCTUREWITHCOMPLETEFUNCTIONSWASSHOWNFINALLYKEYWORDSAEROENGINECONTROEMBEDDEDTECHNOLOGYSOFTWAREPATTERNSSIGNALCONDITIONINGW

簡(jiǎn)介：西北工業(yè)大學(xué)碩士學(xué)位論文基于模糊控制的航空發(fā)動(dòng)機(jī)控制方法研究姓名張如飛申請(qǐng)學(xué)位級(jí)別碩士專業(yè)航空宇航推進(jìn)理論與工程指導(dǎo)教師郭迎清20060301西北工業(yè)大學(xué)碩士論文基于模糊控制的航空發(fā)動(dòng)機(jī)控制方法研究ABSTRACTBASINGONACERTAINAEROENGINE，THISPAPERSTUDIESTHEMETHODOLOGIESOFMODELING，GENERALFUZZYLOGICCONTROLANDSOMEIMPROVEDFUZZYLOGICCONTROLOFANAEROENGINE，DESIGNSTHEAEROENGINE’SGENERALFUZZYCONTROLSYSTEM，SELFORGANIZEDFUZZYCONTROLSYSTEM，F(xiàn)UZZYPIDDUALMODELCONTROLSYSTEM，VARIABLEUNIVERSEFUZZYCONTROLSYSTEMANDDECOUPLEDFUZZYCONTROLSYSTEMANDSIMULATESTHEMINMATLABTHEAEROENGINEGENERALFUZZYCONTROLSYSTEMISSIMPLEINDESIGN，BUTISLOWINCONTROLPRECISION，ANDISDIFFICULTTOMEETTHENEEDOFHIGHCONTROLPRECISIONOFANAEROENGINESELFORGANIZEDFUZZYCONTROLSYSTEMSIMPLIFIESTHEDESIGNOFGENERALFUZZYCONTROLSYSTEMFURTHER，ANDRAISEITSCONTROLPRECISIONBYINTRODUCINGANADAPTIVEWEIGHTFACTORBETWEENERRORANDERRORRATEBYCOMPOUNDINGGENERALFUZZYCONTROLANDPIPCONTROL，AFUZZYPIDDUALMODELCONTROLLETISCONSTRUCTED，ANDUSINGTHEABILITYOFELIMINATINGSTATICERROROFPID’SINTEGRALLOOP，ITRAISESTHEAEROENGINE’SCONTROLPRECISION，ANDMEETSTHECONTROLNEEDOFTHEAEROENGINEVARIABLEUNIVERSEFUZZYCONTROLISAWAYOFADAPTIVEFUZZYCONTR01ASITSUNIVERSECHANGESWITHERROR，ITCANELIMINATETHESYSTEM’SSTATICERROR。ANDCANMEETTHECONTROLNEEDOFTHEAEROENGINE‘BETTERINTHEEND，THEPAPERDISCUSSESANDSTUDIESDECOUPLEDFUZZYCONTROLOFTHEAERO～ENGINE，ANDDESCRIBESTHEIMPROVEMENTDIRECTIONANDUNRESOLVEDDROBLEMSOFFUZZYCONTROLSYSTEM’SDESIGNOFTHEAEROENGINEINVIEWOFTHEEXISTINGPROBLEMOFGENERALFUZZYCONTROL，BYINTRODUCINGTHEIMPROVEDFUZZYCONTROL，ITHASMETTHEPERFORMANCENEEDOFTHEAEROENGINEBASICALLYTHERESULTOFRESEARCHINDICATESTHAT，SELFORGANIZEDFUZZYCONTROLLER，F(xiàn)UZZYPIDDUALMODELCONTROLLERANDVARIABLEUNIVERSEFUZZYCONTROLLERCANBEAPPLIEDTOTHECONTROLOFIII

簡(jiǎn)介：南京航空航天大學(xué)碩士學(xué)位論文基于場(chǎng)協(xié)同理論的航空發(fā)動(dòng)機(jī)冷卻結(jié)構(gòu)傳熱特性的數(shù)值研究姓名胡婭萍申請(qǐng)學(xué)位級(jí)別碩士專業(yè)工程熱物理指導(dǎo)教師吉洪湖200321基于場(chǎng)協(xié)同理論的航空發(fā)動(dòng)機(jī)冷卻結(jié)構(gòu)傳熱特性的數(shù)值研究ABSTRACTTHEPAPERREPORTSONANUMERICALSTUDYOFTHEFLOWANDHEATTRANSFEROF2DAND3DFILMCOOLINGANDCOMPOSITECOOLINGOFCONVECTIONMULTIPLECOMPACTHOLEFILMCOOLING．THISSTUDYISBASEDONCLASSICALTHEORYOFHEATTRANSFERAUGMENTTHETHEORYOFFIELDSYNERGISMFIRSTLY,FORTHE2DFILMCOOLINGCASE，THESECONDARYFLOWISFROMANARROWSLOTTHEEFFECTOFTHEINJECTIONANGLESAANDBLOWINGRATIOSMONTHEDISTRIBUTIONOFVELOCITY,TEMPERATUREANDCOOLINGEFFICIENCYALONGTHEADIABATICWALLHAVEBEENSTUDIED．THEINFLUENCESOF0TANDMONCOOLINGEFFICIENCYAREEXPLAINEDBYANALYZINGSYNERGETIERELATIONOFTHERELEVANTFIELDS．ANDTHEN．TLLESIMILARNUMERICALSIMULATIONISCARRIEDOUTON3DFILMCOOLINGWITHASIGLEROWOFDISCRETEHOLES．INTHISCASETHEINFLUENCEOFTHEINJECTIONANGLEAISCONSIDERED．THESYNERGISMOFVELOCITYANDTEMPERATUREFIELDSISALSODISCUSSED．FINALLY,THEPAPERGIVESTHENUMERICALSIMULATIONANDANALYSISOF3DMODELSOFCOMPOSITECONVECTIONFILMCOOLINGOFMULTIPLECOMPACTHOLES．INTHISCASETHEINFLUENCEFACTORSEXAMINEDINCLUDESTHEBLOWINGRATIOM，THEINJEETIONANGLE包ANDTHESPACINGPBETWEENTWOADJACENTHOLESOFTHESARFLEROWANDTHESPACINGSBETWEENTWOADJACENTROWSOFHOLES．BYTHISSTUDYTHEBESTCOOLINGSTRUCTURESCHEMESARESUGGESTED，WHICHALEALSOPROVEDBYTHETHEORYOFFIELDSYNERGISM．BASEDONTHISPAPER,THEHIGHEFFICIENCYANDLOWRESISTANCECOOLINGTECHNIQUEBYREGULATINGTHESYNERGETICRELATIONOFVELOCITYANDTEMPERATUREFIELDSCANBEDEVELOPED．KEYWORDSFILMCOOLINGFIELDSYNERGISMMULTIPLECOMPACTHOLEWALLII

簡(jiǎn)介：南京航空航天大學(xué)碩士學(xué)位論文航空偵察相機(jī)控制電路研制姓名周海申請(qǐng)學(xué)位級(jí)別碩士專業(yè)通信與信息系統(tǒng)指導(dǎo)教師黃大慶200311航空偵察相機(jī)控制電路研制ABSTRACTTHECONTROLCIRCUITOFAERIALCAMERAHASTHEFUNCTIONSTHATSELFCORRECTINGSHUTTER，AUTOMATICEXPOSURE，AUTOMATICADJUSTINGSPEEDANDROLLINGFIIMSITRADICALLYREALIZESTAKINGPICTURESINFOCUSINUAVATTHESTATIONOFHIGHALTITUDEANDHIGHSPEEDTHISTHESISDISCUSSESTHEAERIALCAMERA’SOPERATINGFLOW，THECONSISTSOFCONTROLSYSTEMANDOPERATINGPRINCIPLEINADDITION，ITINTRODUCESTHEREALIZATIONANDDEVELOPMENTOFSINGLECHIPTECHNOLOGYINAERIALCAMERACONTROLSYSTEMTHEDESIGNOFCONTROLCIRCUIT’SHARDWAREANDSOFTWAREAREPRESENTEDINDETAILINTHEWHOLECOURSEOFTHERESEARCH，IHAVEEXPERIENCEDTHERESEARCHANDDEVELOPMENTPROCESSFROMTHEDESIGNOFSYSTEM，HARDWAREANDSOFTWARETOTHEDEBUGOFSYSTEMTHECONTROLCIRCUITALREADYREACHEDTHEREQUIREMENTOFDESIGNANDHASBEENCHECKEDTHECONTROLCIRCUITISGENERALINSTRUCTUREANDAMAJORITYOFCHIPS’ENCAPSULATIONADOPTAFFIXINGTECHNOLOGY，THEPROGRAMMEISCOMPILEDWITHADVANCEDCLANGUAGE，SOITISCONVENIENTFORBEINGTRANSPLANTEDKEYWORDSAERIALCAMERAUAVCONTROLCIRCUITSINGLECHIP

簡(jiǎn)介：西北工業(yè)大學(xué)碩士學(xué)位論文航天飛行器結(jié)構(gòu)系統(tǒng)在熱力耦合環(huán)境下的健康監(jiān)控技術(shù)研究姓名萬(wàn)婧申請(qǐng)學(xué)位級(jí)別碩士專業(yè)人機(jī)與環(huán)境工程指導(dǎo)教師宋筆鋒20060301摘要HEALTHMONITORINGFORAIRCRAFTSTRUCTURALSYSTEMONTHEHEATFORCECOUPLEDENVIRONMENTABSTRACTINTHISPAPER，TAKINGTHETORSIONRESISTEDBOXOFWINGINANAIRCRAFTASALLEXAMPLE，RESEARCHWORKFOCUSESONTHETECHNOLOGYOFAIRCRAFTSTRUCTURALHEALTHMONITORINGUNDERTHEHEATFORCECOUPLEDENVIRONMENTITINCLUDESFINITEELEMENTANALYSISOFTHEBOXMODEL、DATAPROCESSINGTECHNOLOGYANDEXPERIMENTMAINLYINTHEFIRSTPART，AFTERINTRODUCINGTHEBACKGROUNDOFTASKTHEMECHANICALCHARACTERISTICSOFTHEBOXMODELAREANALYZEDUNDERBOTHORDINARYANDHEATFORCECOUPLEDENVIRONMENTTHERESULTSINDICATETHATTHEMECHANICALCHARACTERISTICSOFTHEBOXMODELCHANGEDINTHELATTERWHICHWILLLEADTOFAULTSEASIERANDTHENTYPICALFAULTPATTERNSOFTHEBOXARESIMULATEDNUMERICALLYTHEBOXMODELCHARACTERISTICSCHANGEDUNDERFAULTSANDNORMALBYCOMPARINGWITHTHENORMALSECONDLYTHEDATAOFTHESEABOVESIMULATIONSAREAYALYZEDANDPROCESSEDWITHTHEHELPOFFOURIERTRANSFORMINORDERTOSTUDYTHEAPPLIANCEOFWAVELETTRANSFORMINTHEFIELDOFAIRCRAFTSTRUCTURALHEALTHMONITORINGTHEWAVELETTRANSFORMCANOVERCOMETHELIMIMTIONOFFOURIETRANSFORMANDHASABETTERTIMEANDFREQUENCYCHARACTERISTICSTHEFAULTDATACANALSOBEDESCRIBEDINBOTHTIMEANDFREQUENCYDOMAINNEXT，BASINGINTRODUCINGTHEWAVELETPACKETANALYSISTHEORYTHE“ENERGYFAULT”METHODISAPPLIEDINAIRCRAFTSTRUCTUREHEALTHMONITORINGANDTHEFAULTSCANBERECOGNIZEDANDDIAGNOSEDBYANALYZINGTHECHANGESOFENERGYINSIGNALSANAIRCRAFTHEALTHMONITORINGEXPERIMENTISINTRODUCEDINTHETHIRDPARTTHEOPTIMIZATIONDESIGNOFSENSORS’LAYOUTINTHEBOXMODELISCONSIDEREDDURINGTHECOURSEOFTHEEXPERIMENTBYANALYZINGANDPROCESSINGTHEEXPERIMENTDATA，THEWAVELETTRANSFORMISPROVEDTOBEFEASIBLECOMPLETELYKEYWORDSAIRCRAFTHEALTHMONITORING，F(xiàn)OURIERTRANSFORM，WAVELETTRANSFORM，WAVELETPAEKETANALYSIS，TIMEANDFREQUENCYDOMAIN，ENERGYFAULTMETHODII

簡(jiǎn)介：中國(guó)民航學(xué)院碩十學(xué)位論文摘要GPSINS是目前廣泛應(yīng)用于航空、航海、航天中的組合導(dǎo)航系統(tǒng)。針一對(duì)GPSINS在民用航空中的應(yīng)用，本文進(jìn)行了SINSGPS組合導(dǎo)航系統(tǒng)的設(shè)計(jì)與仿真。文中利用在BOEING737300模擬機(jī)上的實(shí)驗(yàn)研究數(shù)抓，對(duì)BOEING了37飛機(jī)的慣性導(dǎo)航系統(tǒng)進(jìn)行了分析和仿真研究。根據(jù)國(guó)際民航組織新ILIL行系統(tǒng)的實(shí)施計(jì)劃，我國(guó)目前正在進(jìn)行由路基導(dǎo)航系統(tǒng)向星基導(dǎo)航系統(tǒng)轉(zhuǎn)換的論證，本文結(jié)合相關(guān)課題，研究GPS在我國(guó)民用航空中的可用性。從導(dǎo)航的可用性和連續(xù)性等性能考慮，采用GPS與慣導(dǎo)組合的方式。本文同時(shí)討論了GPS工NS組合導(dǎo)航系統(tǒng)的設(shè)計(jì)和仿真。在BOEING了37300模擬機(jī)數(shù)據(jù)的基礎(chǔ)上，采用松散組合方式，用H濾波方法對(duì)組合系統(tǒng)進(jìn)行了仿真在飛行的不同階段，為消除GPS信號(hào)不好造成的影響，采用了星際增強(qiáng)系統(tǒng)SBAS提高組合導(dǎo)航系統(tǒng)的精度、連續(xù)性、可用性和安全性。仿真結(jié)果證明得到的組合導(dǎo)航系統(tǒng)的J性能較為滿意。論文的研究成果對(duì)GPS工NS組合導(dǎo)航系統(tǒng)在民用航空中的實(shí)際應(yīng)用有一定的參考價(jià)值。關(guān)鍵詞慣性導(dǎo)航系統(tǒng)INS，全球定位系統(tǒng)GPS，組合導(dǎo)航，HM濾波中國(guó)民用航空學(xué)院學(xué)位論文獨(dú)創(chuàng)性聲明本人聲明所呈交的學(xué)位論文是我個(gè)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。盡我所知，除了文中特別加以標(biāo)注和致謝的地方外，淪文中不包含其他人己經(jīng)發(fā)表或撰寫過(guò)的研究成果，也不包含為獲得中國(guó)民用航空學(xué)院或其它教育機(jī)構(gòu)的學(xué)位或證書而使用過(guò)的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均己在論文中作了明確的說(shuō)明并表示了謝意。研究生簽名辮一日期44Z6中國(guó)民用航空學(xué)院學(xué)位論文使用授權(quán)聲明中國(guó)民用航空學(xué)院、中國(guó)科學(xué)技術(shù)信息研究所、國(guó)家圖書館有權(quán)保留本人所送交學(xué)位論文的復(fù)印件和電子文檔，可以采用影印、縮印或其他復(fù)制手段保存論文。木人電子文檔的內(nèi)容和紙質(zhì)論文的內(nèi)容相一致。除在保密期內(nèi)的保密論文外，允許論文被查閱和借閱，可以公布包括刊登論文的全部或部分內(nèi)容。論文的公布包括刊登授權(quán)中國(guó)民用航空學(xué)院研究生部辦理。研究生簽名叢早一FY9FI簽名期YAOQ對(duì)

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