簡介：碩士學(xué)位論文碩士學(xué)位論文航天器撓性附件動力學(xué)相似性理論及實(shí)驗(yàn)研究RESEARCHOFSPACECRAFTFLEXIBLEATTACHMENTDYNAMICSSIMILARITYTHEORYANDEXPERIMENT譚利臨譚利臨哈爾濱工業(yè)大學(xué)哈爾濱工業(yè)大學(xué)2012015年6月CLASSIFIEDINDEXV416UDC620DISSERTATIONFORTHEMASTER’SDEGREEINENGINEERINGRESEARCHOFSPACECRAFTFLEXIBLEATTACHMENTDYNAMICSSIMILARITYTHEORYANDEXPERIMENTCANDIDATETANLILINSUPERVISORPROFQINAIMINGACADEMICDEGREEAPPLIEDFORMASTEROFENGINEERINGSPECIALITYSPACECRAFTDESIGNAFFILIATIONDEPTOFASTRONAUTICENGINEERINGDATEOFDEFENCEJUNE,2015DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

簡介：中國民用航空學(xué)院碩士學(xué)位論文摘要論文緊密結(jié)合航空發(fā)動機(jī)維修中的實(shí)際問題，對維修過程中的裝配間隙對發(fā)動機(jī)性能的影響進(jìn)行統(tǒng)計分析，介紹了多元線性回歸的基本理論和方法，重點(diǎn)分析了發(fā)動機(jī)裝配間隙對風(fēng)扇壓氣機(jī)和渦輪性能的影響。論文完成以下主要工作T收集了AMECO近年來維修的PW4000發(fā)動機(jī)的裝配間隙數(shù)據(jù)和試車數(shù)據(jù)，并對數(shù)據(jù)進(jìn)行整理，以此作為統(tǒng)計分析的依據(jù)2用相關(guān)分析和逐步回歸方法選擇那些對發(fā)動機(jī)性能有重要影響的間隙，將選出來的間隙與EGT建立多元線性回歸模型和多元非線性回歸模型，通過計算以及對回歸模型的檢驗(yàn)后，給出兩種模型下的擬合效果圖，繪出EGT隨間隙變化的性能曲線圖，最后還分別用兩種模型進(jìn)行預(yù)測，得到合理的結(jié)果3通過逐步回歸方法選擇對發(fā)動機(jī)其余的性能參數(shù)如N2NT和WF有重要影響的間隙，將這些選出來的間隙與三個性能參數(shù)建立多元非線性回歸模型，通過計算和對回歸模型的檢驗(yàn)后，給出在該模型下的擬合效果圖，繪出三個性能參數(shù)隨間隙變化的性能曲線圖，最后還分別用該模型對四個樣本進(jìn)行預(yù)測，得到合理的結(jié)果4用逐步回歸方法選擇出對發(fā)動機(jī)的推力有重要影響的間隙，并建立間隙與推力之間的多元線性回歸模型并通過該模型進(jìn)行預(yù)測，得到合理的結(jié)果結(jié)合課題工作，論文利用VC和ODBC數(shù)據(jù)庫開發(fā)了應(yīng)用程序，通過該程序可以對EGT等航空發(fā)動機(jī)性能參數(shù)進(jìn)行了分析，為評估、預(yù)測裝配間隙對發(fā)動機(jī)性能影響提供了參考，為以后發(fā)動機(jī)維修提供參考和指導(dǎo)。關(guān)鍵詞航空發(fā)動機(jī)間隙性能分析多元回歸分析一一一一一一一一一一一一絲韭遇碩士學(xué)位論文ACCORDINGTOTHEACHIEVEMENTOFTHEPROJECTANAPPLICATIONPROGRAMISDEVELOPEDBYVCLANGUAGEANDODBCDATABASESUCHPROGRAMCANBEUSEDTOANALYZETHEPERFORMANCEPARAMETERSSUCHASEGTN2N1ANDWEITALSOCANGIVESOMEREFERREDADVICEOFMAINTENANCEWHENTHEINFLUENCETHATTOLERANCECLEARANCESAFFECTEDAEROENGINEPERFORMANCEISESTIMATEDANDFORECASTEDKEYWORDAEROENGINETIPCLEARANCEPERFORMANCEMULTIREGRESSIONM

簡介：全日制碩士學(xué)位論文航空鋁合金零件銑削航空鋁合金零件銑削三維三維殘余應(yīng)力殘余應(yīng)力模型模型研究研究THERESEARCHOFTHREEDIMENSIONALMODELOFRESIDUALSTRESSOFAVIATIONALUMINUMALLOYPARTSONMILLING申請人姓名王明杰指導(dǎo)教師高國富教授學(xué)位類別工學(xué)碩士專業(yè)名稱機(jī)械工程研究方向精密超精密加工技術(shù)與裝備河南理工大學(xué)機(jī)械與動力工程河南理工大學(xué)機(jī)械與動力工程學(xué)院學(xué)院二0一四年六一四年六月中圖分類號中圖分類號TG506密級級公開公開UDC621單位代碼單位代碼10460航空鋁合金零件銑削三維殘余應(yīng)力模型研究THERESEARCHOFTHREEDIMENSIONALMODELOFRESIDUALSTRESSOFAVIATIONALUMINUMALLOYPARTSONMILLING申請人姓名申請人姓名王明杰王明杰申請學(xué)位申請學(xué)位工學(xué)碩士工學(xué)碩士學(xué)科專業(yè)學(xué)科專業(yè)機(jī)械工程機(jī)械工程研究方向研究方向精密超精密精密超精密加工加工技術(shù)與裝備技術(shù)與裝備導(dǎo)師導(dǎo)師高國富高國富職稱職稱教授教授提交日期提交日期201464答辯日期答辯日期20146河南理工大學(xué)

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簡介：南京航空航天大學(xué)碩士學(xué)位論文航空高溫材料三維蠕變斷裂研究姓名于振波申請學(xué)位級別碩士專業(yè)工程力學(xué)指導(dǎo)教師郭萬林20090301航空高溫材料三維蠕變斷裂研究IIABSTRACTINAERONAUTICASTRONAUTICCHEMICALPOWERFIELDSMANYINDUSTRIALACCIDENTSHAVEBEENREPTEDONCOMPONENTS’FAILUREUNDERHIGHTEMPERATURESURVEYSINDICATEDTHATTHEFAILURESARECLOSELYCRELATEDWITHTHEDEFECTSFLAWSINTHECOMPONENTSMOSTOFTHEFAILURESRESULTEDINTHEGROWTHOFTHECREEPCRACKSINCE1970SWIDERESEARCHESHAVEBEENCONDUCTEDINTWODIMENSIONAL2DCREEPFRACTUREINTEGRATEDCRITERIONSWEREDEVELOPEDTOGUIDETHEDESIGNOFCOMPONENTSHOWEVERTHESTRONGTHREEDIMENSIONAL3DEFFECTSOFTENOCCURWHENTHEYAREAPPLIEDTOCOMPLEXSTRUCTURESALTHOUGHTHEREAREALOTOFNUMERICALEXPERIMENTALRESEARCHESON3DCREEPFRACTUREATHEETICALBASEISABSENTSOFARINTHEPRESENTTHESISWEFOCUSEDONTHETHEETICALNUMERICALRESEARCHESIN3DCREEPFRACTURETHEMAINCONTENTSAREASFOLLOWING1THEGENERALSINGULARITYSTRUCTUREOF3DCREEPCRACKBDERFIELDSISOBTAINEDWHICHISSUITABLETOBOTHSTRAIGHTCURVILINEARCRACKSTHEGOVERNINGEQUATIONOF3DCREEPCRACKISEXTRAPOLATEDSOLVEDEXACTLYTHERESULTSGIVETHESINGULARITYANGULARDISTRIBUTIONSOFTHESTRESSSTRAINRATEFIELDSWHICHAREAFFECTEDBYTHETRIAXIALSTRESSCONSTRAINTTZSTRONGLYAPROGRAMISWRITTENBYCLANGUAGEFTHESOLVINGPROCEDURE2UNDERREMOTEUNIFMTENSILELOADISOTROPICCREEPINGTHINPLATEWITHSINGLEEDGETHROUGHSTRAIGHTCRACKISINVESTIGATEDANALYZEDUSING3DFINITEELEMENTMETHODTHEDISTRIBUTIONSOFCINTEGRALTHETRIAXIALSTRESSCONSTRAINTFACTTZARESHOWNATWOPARAMETERCTZDEIONWHICHISMEEXACTACCURATEISPROPOSED3BASEDONTHETHEETICALNUMERICALSTUDIESABOVETHESTEADYSTATECREEPCRACKGROWTHOF3DISSTUDIEDPRIMARILYA3DTWOPARAMETERCRITERIONBCTISSUGGESTEDTOCONSIDERTHEEFFECTOFTRIAXIALSTRESSCONSTRAINTTZCOMPARISONOFTHEBCTPREDICTIONWITHTHEEXPERIMENTSDATAAFFIRMITSEFFECTIVITYKEYWDSCREEPFRACTUREMECHANICS3DCRACKBDERFIELDSTIAXIALSTRESSCONSTRAINTFACTTZSTEADYSTATECREEPCRACKGROWTHTWOPARAMETER3DCREEPFRACTURECRITERION

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簡介：中國科學(xué)院空間科學(xué)與應(yīng)用研究中心碩士學(xué)位論文基于ARM的高性能航天計算機(jī)研究姓名鄧平科申請學(xué)位級別碩士專業(yè)計算機(jī)應(yīng)用技術(shù)指導(dǎo)教師林寶軍張善從20050101莖主壘墨絲墮苧絲絲墮墨笪墨塑塑塑AB8TRAOTDENGPINGKECOMPUTERAPPLICATIONDIRECTEDBYLINGBAOJUNZHANGSHANCONGWITHTHEDEVELOPMENTOFSMALLSATELLITETECHNOLOGY，MOREANDMOREFUNCTIONUNITSAREINCORPORATEDINTHEONBOARDCOMPUTERTHETRADITIONALMICROPROCESSORSCANNOTSATISF，THENEEDOFHIGHCAPACITIESOFONBOARDCOMPUTERSANEWGENERATIONOFONBOARDCOMPUTERWITHTHEARMMICROPROCESSORPRESENTEDINTHETHESISPROVIDESANEWWAYINTHISFIELDTHISTHESISPRESENTEDTHESCHEMEOFDESIGNINGTHEONBOARDCOMPUTERBASEDONTHEAR91R40005PROCESSOR，ANDSTUDIEDTHEFEASIBILITYANDSOMEDETAILSOFTHESCHEMESOMEIMPORTANTTECHNIQUESWEREDISCUSSEDACCORDINGTOTHERESULTSOFTHEEXPERIMENTS，THEFRUITSOFTHISPROJECTCANSARISFYTHEMISSIONOFTHESMALLSATELLITEITPROVIDESAGOODFOUNDATIONFORTHEONBOARDCOMPUTERWITHHIGHCREDIBILITYREDUNDANCYDESIGNANDPARALLELPROCESSINGABILITYOFTHEDESIGNEDCOMPUTERKEYWORDARM；ONBOARDCOMPUTEROBC1553BBUS

簡介：中圖分類號V5206R1441論文編號102871515－S029學(xué)科分類號082504碩士學(xué)位論文航天器介質(zhì)材料深層充放電效應(yīng)模擬分析研究研究生姓名強(qiáng)鵬學(xué)科、專業(yè)人機(jī)與環(huán)境工程（航天方向）研究方向空間環(huán)境與效應(yīng)指導(dǎo)教師魏志勇教授南京航空航天大學(xué)研究生院航天學(xué)院二О一五年三月NANJINGUNIVERSITYOFAERONAUTICSASTRONAUTICSTHEGRADUATESCHOOLCOLLEGEOFASTRONAUTICSANALYSISRESEARCHOFDEEPDIELECTRICGINGDISGINGINSPACECRAFTATHESISINMANMACHINEENVIRONMENTALENGINEERINGBYADVISEDBYSUBMITTEDINPARTIALFULFILLMENTOFTHEREQUIREMENTSFTHEDEGREEOFMASTEROFENGINEERINGDECEMBER2014

簡介：N77165G學(xué)校代碼10246學(xué)號022029015後里大學(xué)碩士學(xué)位論文利用仿真技術(shù)對振動環(huán)境試驗(yàn)條件以及航天器展開部件地面動力學(xué)試驗(yàn)的修正院專系力學(xué)與工程科學(xué)系業(yè)工程力學(xué)姓名蘇里指導(dǎo)老師唐國安教授完成日期2005年5月31日采麓瓣蠢勿全文公?！啊疉BSTRACTSOMEPHENOMENAOFCOMPLEXSTRUCTUREVIBRATIONFLEENOTWELLUNDERSTOODINTHEORY．NUMERICALMETHODSANDTESTTECHNIQUEHAVEMADEAGREATPROGRESS，BUTARENOTSUFFICIENT．INORDERTOGETRELIABLEANDREASONABLERESULTS，THEUNITEDAPPLICATIONOFTHETWOMEASURESISNECESSARYINTHEANALYSISOFENGINEERINGSTRUCTUREVIBRATION．THEAUTHORHASSTUDIEDTHERELATIVECASES，INCLUDINGANELASTICCOUPLEDSTRUCTURECONSTITUTEDBYTWOELASTICCOMPONENTSISDESIGNEDASTHETESTMODELS．THEMODELTESTSFORTHETWOCOMPONENTSAREPERFORMED．THEIRFEAMODELSARESETUPANDUPDATEDBYUSINGTHEMODELTESTDATA．THERESULTSOFCOUPLEDLOADEDANALYSISTHROUGHFREQUENCYRESPONSEFUNCTIONCALCULATEDBYTHEUPDATEDFEAMODELSAPPROACHTHERANDOMVIBRATIONTEST如LAASAWHOLE．SOTHEYARERELIABLETOACERTAINEXTENT．BUTTHECASETHATTHERESULTSOFPEAKVALUEINLOWFREQUENCYARENOTACCURATEINDICATEST11ATMORESTUDYFORDAMPINGESTIMATIONISNEEDED．THEVIBRATIONSIMULATIONANDTESTANALYSISOFTWOCOUPLEDSYSTEMSSHOWTHEPROBLEMOFOVERTESTINGINTHECONVENTIONALVIBRATIONTEST．CONSIDERINGTHEVIBRATIONCHARACTERISTICSOFCOUPLEDSYSTEMS，THECORRECTIONFORCONTROLSPECTRAOFVIBRATIONTESTISBASEDOILTHEINTERFACEACCELERATIONSATTAINEDBYCALCULATIONORMEASUREMENT，‘‘FORCELIMITED”TESTUSINGAWEIGHTEDAVERAGEOFSIGNALSCONTROLINACONVENTIONALVIBRATIONTESTCONTROLSYSTEMALLEVIATESTHEOVERTESTINGPROBLEMASSOCIATEDWITHVIBRATIONTESTUSINGONLYACCELERATIONCONTR01．THREEDIMENSIONALAIRFLOWFIELDINDUCEDBYTHESOLARCELLARRAYSDEPLOYMENTINGROUNDTESTISANALYZEDUSINGNUMERICALMETHOD，ANDTHENTHEADDEDMASSOFTHEAIRFLOWATTACHEDTOTHEARRAYISEVALUATED．SIMULATIONOFTHEARRAYDEPLOYMENTISOBTAINEDFROMTHESOLUTIONOFDYNAMICALEQUATIONS．THERESULTSSHOWTHATTHEDEPLOYMENTINTHEGROUNDSPENDSMORELONGTIMETHANITINVACUUMENVIRONMENT．ACCORDINGTOTHESIMULATION，CORRECTIONOFTHESOLARCELLARRAYSDEPLOYMENTTESTDATAINGROUNDWOULDBEREASONABLE．KEYWARDSVIBRATIONTEST，COUPLEDLOADANALYSIS，CONTROLSPECTRA，MODELTEST，MODELUPDATING，F(xiàn)REQUENCYRESPONSEFUNCTION,FORCELIMITEDVIBRATIONTEST，SOLARCELLARRAYS，ADDEDMASS，DYNAMICEQUATION

簡介：西北工業(yè)大學(xué)碩士學(xué)位論文航空典型結(jié)構(gòu)材料腐蝕行為與控制的研究姓名田莉莉申請學(xué)位級別碩士專業(yè)材料學(xué)指導(dǎo)教師劉道新20060301懋熬王鼗太學(xué)鞭士學(xué)位論文擒要舞蔥黼度爵嚏疆離簸臺耢攀在櫥媲除段豹蔽瀑速率，壤大穩(wěn)霸啜灄零。夜35℃～70。|C試驗(yàn)溫發(fā)范圍內(nèi)，復(fù)臺張料的吸瀑特性遵從FICK定攆。在3S℃澄淡下燕熱簿黥瓣禱滲夫了簸合耪旗在襁貽滁段戇蹶漫遵率巍飽積暇滋搴，并盈藤藤瀚耷趣載薅熬大，復(fù)合稀瓣奩鞠戇除袋鶼啜淹速率穗這戮平掇辯鶼讖秘蔽滋攀越丈。河瓣，暖澄健復(fù)合襯褥的承裁熊力翳囂降低。關(guān)鍵溺摟憋褰鑣，不臻鑲，裔強(qiáng)浚鑲，怒舞懿畿鑲，鍰會壘，簸紓雄壤溪環(huán)氟復(fù)合櫥黼，敷漫，娥鑲，磷豫L

簡介：中圖分類號理2窆UDC68L碩士學(xué)位論文學(xué)校代碼Q§三三密級公玨航空發(fā)動機(jī)導(dǎo)流葉片導(dǎo)流角的測量與分析MEASUREMENTANDANALYSISOFAEROENGINEGUIDEVANE’SDIVERSIONANGLE作者姓名丁梓健學(xué)科專業(yè)控制科學(xué)與工程研究方向智能檢測學(xué)院系、所信息科學(xué)與工程學(xué)院指導(dǎo)教師魯五一教授副指導(dǎo)教師論文答辯日期蘭絲蘭』勺答辯委員會主席齜中南大學(xué)二零一四年五月航空發(fā)動機(jī)導(dǎo)流葉片導(dǎo)流角的測量與分析摘要飛機(jī)在飛行過程中的座艙抖動現(xiàn)象一直以來都是航空領(lǐng)域中復(fù)雜且容易引發(fā)事故的問題。研究表明航空發(fā)動機(jī)導(dǎo)流葉片的一致性對發(fā)動機(jī)的性能會產(chǎn)生重要的影響，是導(dǎo)致飛機(jī)座艙抖動的主要原因之一。當(dāng)前，航空發(fā)動機(jī)檢修工廠對葉片一致性檢測方法落后，都是使用尺寸規(guī)手工對葉片進(jìn)行測量。手工測量的系統(tǒng)誤差很大、精度不高。這為飛機(jī)的安全飛行埋下了隱患。為了準(zhǔn)確地對葉片的一致性進(jìn)行檢測，本文提出一種導(dǎo)流角離線測量方案。本文詳細(xì)介紹了喘振產(chǎn)生的原因和預(yù)防措施，分析了葉片一致性對喘振的影響，提出了改進(jìn)的導(dǎo)流角測量方法，并設(shè)計了自動化檢測裝置。導(dǎo)流角測量方法首先對通過葉片實(shí)物測量得到的數(shù)據(jù)進(jìn)行降噪處理，以排除噪聲點(diǎn)對后續(xù)工作的干擾，然后采用弦高差法精簡了數(shù)據(jù)中的冗余點(diǎn)，以提高重構(gòu)工作的效率，在此基礎(chǔ)之上運(yùn)用切片技術(shù)，即采用一組平行平面與葉片的三維數(shù)據(jù)相切，得到了一系列的葉片截面輪廓數(shù)據(jù)，將上下表面的數(shù)據(jù)分離后，重構(gòu)了葉片的截面輪廓曲線，最后通過計算得到導(dǎo)流葉片的導(dǎo)流角。本文以測量得到的導(dǎo)流角數(shù)據(jù)為依據(jù)，對測量結(jié)果進(jìn)行了對比，分析了各組數(shù)據(jù)的平均值和方差，提出了同一個葉片和葉片間一致性的判定方法。分析結(jié)果表明葉片的導(dǎo)流角測量方法是可行的，可以有效地提高測量的精度，且可以多次測量，從而很好的解決偶然性誤差對測量結(jié)果的影響，在理論研究的基礎(chǔ)上，開發(fā)了檢測系統(tǒng)軟件，最后在總結(jié)全文工作的基礎(chǔ)上，指出了有待進(jìn)一步完成的工作。圖40幅，表19個，參考文獻(xiàn)50篇。關(guān)鍵詞喘振；導(dǎo)流葉片；導(dǎo)流角；曲線重構(gòu)；分類號TP29

簡介：號密級公玨學(xué)號絲SQ3Q212P鏟IZ7口?！恢袊裼煤娇諏W(xué)院碩士學(xué)位論文機(jī)器視覺在航空發(fā)動機(jī)內(nèi)窺檢測中的應(yīng)用研究研究生姓名工煎薟導(dǎo)師姓名翌云掛教援申請學(xué)位級別王堂亟所在院系扭童堂喧學(xué)科專業(yè)名稱昱熊劍昱皇撞割論文答辯日期2QQ生旦坦目2005年1月10曰中國民用航空學(xué)院碩L學(xué)位論文ABSTRACTINRECENTYEARS，COMPUTERVISIONTECHNOLOGYHASBEENGREATDEVELOPEDANDITALSOHASBEENANIMPORTANTRESEARCHSUBJECT。BYNOW，THETECHNIQUEOFHOLEDETECTIONISMATUREINIMAGECAPTURE，IMAGESHOW，ETCBUTHOLEDETECTIONDEVICEISFARFROMREACHINGTHEINTELLEGENTLEVEL，THEDETECTIONOFAVIATIONENGINEISBASELYBYHUMANEXPERIENCES，THEFAULTWASESTIMATEDSOTHEHUMANFACTORANDFAULTOFDETECTIONHAPPENED，ANDPEOPLECANNOTDOFAULTPREDICTION。THISSUBJECTISBASEDONTWINEYEVISIONPRICIPLE，ANDITWILLUSEIMAGEPROCESSINGTECHNIQUE，ANDGIVEGOODPARAMETERFSUCHASLENGTHOFCRACKLE，AREAOFERODE，SOITCANDOQUANTITIVEMEASUREMENT，ANDITALSOISTHEBASEWORKOFDEVELOPINGINTELLEGENTHOLEDETECTIONDEVICESOASTEALIZEINTELLIGENTOFFAULTDETECTIONTHISARTICLEWILLBUILDATWINEYECOMPUTERVISIONMODELOFPARALLELOPTICALAXIS，WEWILLADOPTAFLEXIBLEMETHODINCAMERACALIBREAIONWETESTTHEPRECISIONOFTHECALIBRATIONRESULTTHEINFLUENCEOFTHENOISEISDISPELLEDBYIMAGEPREDICTIONPROCESSING，EFFECTIVEAREAISENHANCEDWEALSOWI玨ANALIZEMEANFILTERANDMEDIANFILTER，ANDCOMPAREDIFFERENTIALOPERATOROFFRINGEDRAWINGTHEEFFECTIVEAREAISEXTRACED，THEAREAOFDAMAGEANDTHE3DCOORDINATESCANBECOMPUTEDBYSTEREOMATCH強(qiáng)EWHOLESYSTEMCALLBEDIVIDEINTOFOURPARTSIMAGECAPTURING。IMAGEPROCESSING，STEREOMATCHING，AND3DREBUILDINGTHISSUBJECTUSEDVEPROGRAMMINGLANGUAGETODEVELOPTHEMODULESATTHEENDOFTHISARTICLEWEINTRODUCEDTHESYSTEMPROGRAMMINGANDFUNCTIONS弱ERESEARCHOFTHESUBJECTCANDOSOMEGOODTHINGSTOIMPROVETHEHOLEDETECTIONTECHNIQUEANDTHEMODEMIZATIONOFCIVILAVIATIONKEYWORDSAVIATIONENGINEHOLEDETECTIONIMAGEPROCESSINGCOMPUTERVISIONL

簡介：南京航空航天大學(xué)碩士學(xué)位論文民用航空維修工程能力評估及輔助決策支持系統(tǒng)開發(fā)研究姓名王敬敏申請學(xué)位級別碩士專業(yè)交通信息工程及控制指導(dǎo)教師王華偉20090201民用航空維修工程能力評估及輔助決策支持系統(tǒng)開發(fā)研究IIABSTRACTTHEMAINTENANCEISTHEFOUNDATIONOFENSURINGTHEINHERENTRELIABILITYSAFEFLIGHTOFTHEAIRCRAFTWITHTHEEXPINGOFTHECIVILAVIATIONAIRCRAFTTHEAGGRAVATIONOFAGINGAIRPLANESTHEDEMINTHEAIRCRAFT’SMAINTENANCEMARKETISLARGERLARGERTHEMAINTENANCEENGINEERINGABILITYISTHEABILITYTOCOMPLETETHEREPAIRTASKOFTHEAIRCRAFTWHICHHAVESIGNIFICANTMEANINGINENSURINGTHESAFEFLIGHTOFTHEAIRCRAFTALONGWITHTHEADVANCEOFTHECOMMERCIALAVIATIONTHEGLOBALCOMPETITIONOFTHEMAINTENANCEINDUSTRYISPROGRESSINGFASTERITISNECESSARYTOMAKESATHOUGHFULLRANGEOFEVALUATIONOFTHEDEVELOPMENTLEVELOFTHECURRENTCIVILMAINTENANCEINDUSTRYTHISEVALUATIONNOTONLYPROVIDESTHEDATASUPPTFTHEGOVERNMENTTOMAKEMACROSCOPICPOLICYBUTALSOPROVIDESTHEBASISFTHEDOMESTICMAINTENANCEENTERPRISESTOMAKEDEVELOPMENTPLANSTHEPAPERPRESENTSTHERESEARCHOFCIVILAVIATIONMAINTENANCEENGINEERINGCAPABILITYEVALUATIONTHEPRIMARYWKINCLUDES1THECONSTRUCTIONOFEVALUABLETARGETSYSTEMFCIVILAVIATIONMAINTENANCEENGINEERINGCAPABILITYHASBEENESTABLISHEDBASEDONTHECONSTRUCTIONPRINCIPLEOFTHEINDICATSYSTEMCONSIDEREDFROMTHEHUMANRESOURCESTHESUBSTANCERESOURCESTHEINFMATIONTECHNOLOGYRESOURCESTHEMANAGEMENTRESOURCESASWELLASTHEMAINTENANCECATEGYTHISPAPERHASFMULATEDTHETARGETEVALUATIONCRITERIAWHICHLAIDTHEFOUNDATIONFADEEPERRESEARCHINTHEFUTURE2THEDATACLEANINGTECHNOLOGYPREPROCESSINGTECHNIQUESHASBEENSTUDIEDTHEQUALITYOFDATAUNIFICATIONOFTARGETINFLUENCETHERESULTRELIABILITYOFEVALUATIONBUTTHEDATACLEANINGTECHNOLOGYPREPROCESSINGTECHNIQUESGUARANTEEIT3THEGRACOMPREHENSIVEEVALUATIONMODELCOMBININGAHPDSEVIDENCETHEYWASCONSTRUCTEDCONSIDERINGTHEIMPACTOFTARGETWEIGHTONEVALUATIONTHEDSEVIDENCETHEYHELPEDTODEPRESSTHEUNCERTAINTYOFTHETARGETWEIGHTBASEDONAHPAFTERWARDSTHEGREYRELATIONALCOMPREHENSIVEEVALUATIONMETHODWASUSEDTOCLEARTHEDIFFERENCESBETWEENTHEEVALUATIONOBJECTTHEREFERENCEOBJECTASWELLASROOMNEEDTOBEIMPROVED4ESTABLISHEDEVALUATIONSYSTEMOFMAINTENANCEMANAGEMENTWITHACEOFMAINTENANCEENGINEERINGCAPABILITYEVALUATIONTHEEXAMPLESHOWEDTHECOMPREHENSIVEEVALUATIONMODELISEFFECTIVEBASEDONTHEBSSTRUCTURETHISSYSTEMCREATEDTARGETSYSTEMDYNAMICREFLECTEDTHECONDITIONITSELFINTIMETHESYSTEMCANBEEXPEDTOOTHEREVALUATIONFIELDKEYWDMAINTENANCEENGINEERINGCAPABILITYDATACLEANINGTECHNOLOGYANALYTICHIERARCHYPROCESSDSEVIDENCETHEYGREYRELATIONALANALYSISEVALUATIONSYSTEM