簡介：I申請上海交通大學博士學位論文復雜航天器高精度容錯姿態(tài)控制研究HIGHPRECISIONFAULTTOLERANTATTITUDECONTROLFCOMPLEXSPACECRAFT系別儀器科學與技術系專業(yè)導航、制導與控制導師趙健康教授博士生龍海輝上海交通大學二零一五年三月

簡介：西北工業(yè)大學碩士學位論文航空發(fā)動機系統(tǒng)建模與故障診斷研究姓名方前申請學位級別碩士專業(yè)控制理論與控制工程指導教師史忠科20050301西北工業(yè)大學碩士學位論文人BSTRACTABSTRACTMODELINGANDMODELBASEDAPPROACHESOFFAULTDIAGNOSISFORENGINEARETWOFIELDSOFRESEARCHFORENGINESRELIABILITYENGINEERINGFROMTHEVIEWPOINTOFMODELBASEDFAULTDETECTIONTHISTHESISDISCUSSEDTHOSEPROBLEMSINCLUDINGMODELINGSIMULATIONANDTHEDESIGNOFAKINDOFFAULTDETECTIONFILTERFORENGINETHEMAINRESULTSOFTHETHESISAREASFOLLOWING1ONTHEBASISOFPERFECTGASSTHERMODYNAMICCHARACTERISTICSOMETHERMODYNAMICPROBLEMSOFENGINEAREDISCUSSEDANDTHECOMPUTATIONAPPROACHESOFSPECIFICHEATENTHALPYENTROPYOFGASINENGINECOMPONENTAREGIVEN2ASORTOFCOMPONENTBASEDMODELOFENGINEISDISCUSSEDTHEIMPORTANCEOFCOMPONENTPERFORMANCEMAPINTHEENGINEMODELINGISCONSIDEREDANDANEWFANPERFORMANCELINEFITINGMETHODISDEVELOPED3TYPICALCONFIGURATIONSOFGASTURBINEENGINEAREANALYZEDFROMTHEVIEWPOINTOFENERGYANDBASEDONITSRESULTSANEWKINDOFSIMULATIONFRAMEOFGASTURBINEENGINEISPROPOSED4AKINDOFFAULTDETECTIONFILTERISDESIGNEDTOCHECKSOMEFAILUREOFACTUATORSINENGINECONTROLSYSTEMANDDIGITALSIMULATIONAREPRESENTEDTOPROVETHEEFECTIVEOFTHEMETHODKEYWORDSENGINESYSTEMCOMPONENTPERFORMANCELINEFITINGFAULTDIAGNOSISFAULTDETECTIONFILTER

簡介：筮呈大．了UDC密級學位論文帶輸入飽和的航空發(fā)動機自適應控制作者姓名宋定安指導教師楊光紅教授馬宏軍副教授東北大學信息科學與工程學院申請學位級別碩士學科類別工學學科專業(yè)名稱控制理論與控制工程論文提交日期2014年6月論文答辯日期2014年6月學位授予日期2014年7月答辯委員會主席王明順評閱人董久祥黃勝娟東北大學2014年6月獨創(chuàng)性聲明本人聲明，所呈交的學位論文是在導師的指導下完成的。論文中取得的研究成果除加以標注和致謝的地方外，不包含其他人己經(jīng)發(fā)表或撰寫過的研究成果，也不包括本人為獲得其他學位而使用過的材料。與我一同工作的同志對本研究所做的任何貢獻均己在論文中作了明確的說明并表示謝意。學位論文作者簽名系凌S}日期聊仁苦、2，衫學位論文版權使用授權書本學位論文作者和指導教師完全了解東北大學有關保留、使用學位論文的規(guī)定即學校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。本人同意東北大學可以將學位論文的全部或部分內(nèi)容編入有關數(shù)據(jù)庫進行檢索、交流。作者和導師同意網(wǎng)上交流的時間為作者獲得學位后半年口一年口一年半口兩年彳學位論文作者簽名案亥L參簽字日期加你衫，況新簽名詆L簽字日期瑚匕良形

簡介：中國科學院研究生院（長春光學精密機械與物理研究所）碩士學位論文一種航空/航天相機輸片機的結構設計及分析姓名白彥輝申請學位級別碩士專業(yè)光學工程指導教師盧鍔20030101中國科學院長春光學豐青密機械與物理研究所碩士學位論文ABSTRAETSPACECAMERAISONEOFIMPORTANTMETHODSTOOBSERVETHESURFACEOFTHEEARTH，MANYCOUNTRIES，THEREFORE，THINKHI曲LYOFITTHROUGHOUTTHEWORLD．SPACECAMERACONSISTSOFCAMERALENS，SHUT，CAMERABODY,FILMTRANSPORTSYSTEM，CONTROLS”TEMANDSOON，F(xiàn)ILMTRANSPORTSYSTEMASONEOFTHEMOSTIMPORTANTCOMPONENTS，REQUESTSLARGECAPACITYTOCARRYFILM，SHORTCIRCLEWORKINGPERIOD，ANDHIGHDEPENDABILITY．SOFILMTRANSPORTSYSTEM’SWELLORPOORQUALITYDIRECTLYAFFECTSPACECAMERA’SFUNCTION．ITISSONECESSARYTODESIGNHIGHLEVELFILMTRANSPORTSYSTEM．THEOBJECTIVEOFTHISTHESISISTODESIGNANDANALYZEFIXEDQUANTITYINTERMITTENTFILMTRANSPORTS”TEM．THERESEARCHOBJECTHEREISAHI曲LEVELFILMTRANSPORTS”TEMOFSPACECAMERA．MAINCONTENTSAREFOLLOWINGDESIGNANDANALYZEFIXEDQUANTITYINTERMITTENTFILMTRANSPORTSYSTEMWITHTENSIONCONTROL，INVARIANTTENSIONCONTROLSYSTEMINTHEPOINTOFVIEWOFSTRUCTURE；CONDUCTDYNAMICPROPERTYOFFIXEDQUANTITYMEASURINGFILMROLLERANDDEDUCETHEFILM’SDYNAMICPROPERTYANDFILMTENSION．BASEDONFILMTENSIONANALYSES，THEMACHINEOFFILMTENSIONTOBEMEASUREDANDCONTROLLEDDURINGTHEWHOLECOURSEWASDESIGNED；ANDALSOEXPATIATETHEIDEAOFPREVENTINGSCRATCHINGFILMINTHISPAPER；FINALLY，THEEXPERIMENTOFFILMTRANSPORTMACHINEPROVEDITCORRECTLYANDTHISMACHMESATISFIEDSPACECAMERA’STECHNOLOGYSTANDARD．THISPAPERHAVESOMEREFERENCEVALUEINDESIGNINGANDANALYZINGSPACECAMERA’SFILMTRANSPORTSYSTEM．KEYWORDFILMTRANSPORTSYSTEM；FIXEDQUANTITYINTERMITTENTFILMTRANSPORT；TENSIONCONTROL；FILMSUPPLYINGANDWINDINGDEVICE；SPROCKET

簡介：1932了85分類號UDC密級學位論文航空發(fā)動機靜子系統(tǒng)振動特性分析作者姓名趙峰指導教師孔祥偉教授東北大學機械工程與自動化學院申請學位級別碩士學科類別工學學科專業(yè)名稱機械設計及理論論文提交日期2008年6月論文答辯日期2008年7月學位授予日期2008年7月答辯委員會主席謝里陽教授評閱人隋天中副教授王世杰教授東北大學2008年7月ATHESISINMECHANICALDESIGNANDTHEORY㈣刪㈣㈣Y184醐百岑VIBRATIONCHARACTERISTICSSTUDYONSTATORCASINGSYSTEMOFAEROENGINEBYZHAOFENGSUPERVISORPROFESSORKONGXIAN野VEINORTHEASTERNUNIVERSITYJUIY2008

簡介：國內(nèi)圖書分類號TP13V44國際圖書分類號621629783工學博士學位論文撓性航天器建模與姿態(tài)控制系統(tǒng)研究撓性航天器建模與姿態(tài)控制系統(tǒng)研究博士研究生博士研究生蔡鵬導師導師王慶超教授申請學位申請學位工學博士學科、專業(yè)學科、專業(yè)一般力學與力學基礎所在單位所在單位航天學院答辯日期答辯日期2008年6月授予學位單位授予學位單位哈爾濱工業(yè)大學摘要I摘要隨著航天技術的發(fā)展，越來越多的航天器上開始使用大型撓性結構，如大尺度撓性天線、太陽帆板和大型空間桁架等。在軌運行的撓性航天器的剛體運動將激發(fā)柔性附件的彈性變形運動，且兩種運動相互耦合，導致航天器的剛?cè)狁詈蟿恿W行為非常復雜。因此研究撓性航天器的動力學模型并設計其姿態(tài)控制系統(tǒng)具有重要的意義。本文結合航天科技集團“十五”基礎預研項目“復雜機構衛(wèi)星智能自適應逆控制技術的研究”和國家自然科學基金“一類復雜系統(tǒng)中無源化近似自適應逆控制研究”，以含柔性關節(jié)的撓性航天器為對象，對此類航天器的建模、姿態(tài)控制及附件振動抑制等問題展開了深入的研究，其研究內(nèi)容主要包括以下幾個方面一、在分析剛體模型和固支懸臂梁附件航天器模型的基礎上，利用拉格朗日動力學方程建立了柔性關節(jié)鏈接懸臂梁附件的撓性航天器動力學模型。并采用假設模態(tài)–混合坐標方法，推導了梁式附件的振動方程，將撓性航天器的耦合動力學方程規(guī)范化，使之適用于姿態(tài)控制系統(tǒng)的分析和設計。進一步的，本文建立了帶多個懸臂梁式附件的撓性航天器和帶鏈式多懸臂梁附件的撓性航天器動力學模型。最后簡要的分析了航天器執(zhí)行機構的特性，并根據(jù)對象模型設計了PWPF調(diào)制器的參數(shù)。二、目前被廣泛應用的輸出反饋姿態(tài)控制方法具有結構簡單的優(yōu)點。為了進一步抑制撓性航天器的低頻振動，在傳統(tǒng)輸出反饋控制思想的基礎上引入了輸入成形方法，并根據(jù)輸出跟蹤控制模型設計了變結構控制器。將該控制器和傳統(tǒng)的PD控制策略進行了對比仿真，結果表明所設計控制器的姿態(tài)控制精度具有明顯的優(yōu)勢，達到了抑制了航天器本體機動所激發(fā)的附件振動的設計要求。三、設計了模態(tài)狀態(tài)觀測器，使用較少的傳感器來估計附件振動的模態(tài)。在此基礎上，根據(jù)最優(yōu)輸出跟蹤理論和保性能控制理論，分析并設計了控制受限情況下的參數(shù)不確定系統(tǒng)的最優(yōu)保性能反饋控制控制律。該控制律易通過求解線性矩陣不等式組及其極值優(yōu)化問題得到，具有較高的控制精度和較好的魯棒性。四、將智能壓電結構應用到附件的主動振動抑制上，此時系統(tǒng)模型變成了多輸入系統(tǒng)。首先研究了集中控制方法，在上一部分成果的基礎上設計了控制受限的多輸入系統(tǒng)的最優(yōu)保性能反饋控制控制律。其次按照分散控制的局部狀

簡介：南京航空航天大學碩士學位論文航空發(fā)動機視情調(diào)度優(yōu)化方法及系統(tǒng)開發(fā)姓名張濤申請學位級別碩士專業(yè)交通信息工程及控制指導教師左洪福20090101航空發(fā)動機視情調(diào)度優(yōu)化方法及系統(tǒng)開發(fā)IIABSTRACTAEROENGINEAIRCRAFTISTHE“HEART“OFTHEAIRCRAFTANDTHESAFETYISCLOSELYRELATEDTO,ATTHESAMETIME,AFFECTTHEAIRLINESOPERATINGCOSTS,HENCETHEREASONABLESCHEDULEPLANSCANBALANCESPAREAEROENGINEQUANTITYOFFLEET,IMPROVERELIABILITYLEVELOFSPAREPART,DECREASETHEQUANTITYOFSPAREAEROENGINEANDREDUCETHEOCCURRENCEOFFLIGHT’SDELAYANDCANCELLATIONBECAUSEOFTHELACKOFSPAREAEROENGINE,THUSHASANIMPORTANTSIGNIFICANCETOREDUCINGCOSTS,RAISINGPROFITS,IMPROVINGTHECOMPETITIVENESSOFTHEAIRLINETHESCHEDULESYSTEMOFAEROENGINEBASEDONCONDITIONALMAINTENANCEISRESEARCHEDANDDEVELOPEDINTHISPAPERITCANPROVIDEAVISUALANDINTERACTIVEFLEETDYNAMICSCHEDULEPLATFORMFORENGINEERINCHARGEOFAEROENGINETHEPRIMARYWORKOFTHEPAPERINCLUDES1THETHEORYFRAMEOFCONDITIONBASEDMAINTENANCEBINDINGSCHEDULEHASBEENSTUDIEDTHESTRATEGYOFCONDITIONBASEDMAINTENANCE,TECHNOLOGYOFPERFORMANCEMONITOR,PERFORMANCEQUEUE,INDICATORSOFAEROENGINEREMOVINGFORECASTANDTHEMETHODOFAEROENGINEREMOVINGFORECASTHASBEENRESEARCHEDINDETAIL,WHICHLAIDASTRONGFOUNDATIONFORADEEPERRESEARCHTOAEROENGINESCHEDULEINTHEFUTURE2SCHEDULEMETHODOFAEROENGINESHASBEENSTUDIEDCLASSICSCHEDULINGMETHODBASEDONSORTRULESHASBEENANALYZEDBYANANALYSISOFEXAMPLESANIMPROVEDMETHODWASINTRODUCEDANDPROVEDVALIDBYTHEANALYSISOFEXAMPLES,WHICHLAIDASTRONGTHEORYFOUNDATIONFORBUILDINGSCHEDULESYSTEMINTHEFUTURE3THEREALIZATIONOFSCHEDULINGSCHEMEOFAEROENGINESHASBEENSTUDIEDB/SMODEWASINTRODUCEDTOREALIZETHESCHEDULINGSCHEMEAFTERANALYZINGTHEPROCESSESOFSCHEDULINGSCHEME,THUSTHEDISPLAYMODULEANDDATAEXCHANGEMODULEWARERESEARCHED,WHICHPROVIDEDASOLUTIONFORTHEDISPLAYOFSCHEDULINGSCHEME“SCHEDULESYSTEMOFAEROENGINE”WASDEVELOPEDUSINGTHEABOVETECHNOLOGIESANDMETHODS,WHICHHASBEENAPPLIEDSUCCESSFULLYINSHANGHAIAIRLINEKEYWORDSAEROENGINE,CONDITIONBASEDMAINTENANCECBM,SCHEDULEALGORITHM,AJAX,J2EE

簡介：碩士學位論文碩士學位論文基于電磁力的分離式航天器相對軌道控制方法RELATIVEORBITCONTROLOFFRACTIONATEDSPACECRAFTBASEDONELECTROMAGNETICFORCE侯振東侯振東哈爾濱工業(yè)大學2012年7月CLASSIFIEDINDEXV4482UDC62978DISSERTATIONFORTHEMASTERDEGREEINENGINEERINGRELATIVEORBITCONTROLOFFRACTIONATEDSPACECRAFTBASEDONELECTROMAGNETICFORCECANDIDATEHOUZHENDONGSUPERVISORPROFZHANGYULINACADEMICDEGREEAPPLIEDFORMASTEROFENGINEERINGSPECIALITYSPACECRAFTDESIGNAFFILIATIONRESEARCHCENTEROFSATELLITETECHDATEOFDEFENCEJULY,2012DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

簡介：中圖分類號O327TB123論文編號102870116S045學科分類號080104碩士學位論文航天器支架結構阻尼特性實驗研究研究生姓名施萌學科、專業(yè)工程力學研究方向復雜結構動力學與控制指導教師陳懷海教授南京航空航天大學研究生院航空宇航學院二О一五年十二月承諾書本人聲明所呈交的碩士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。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(jīng)發(fā)表或撰寫過的研究成果，也不包含為獲得南京航空航天大學或其他教育機構的學位或證書而使用過的材料。本人授權南京航空航天大學可以將學位論文的全部或部分內(nèi)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適用本承諾書）作者簽名日期

簡介：博士學位論文博士學位論文基于能觀能控理論的航天器自主導航與控制方法研究RESEARCHONSPACECRAFTAUTONOMOUSNAVIGATIONCONTROLBASEDONOBSERVABILITYCONTROLLABILITYTHEY王曉明王曉明2009年10月CLASSIFIEDINDEXV44822UDC62978DISSERTATIONFTHEDOCTALDEGREEINENGINEERINGRESEARCHONSPACECRAFTAUTONOMOUSNAVIGATIONCONTROLBASEDONOBSERVABILITYCONTROLLABILITYTHEYCIDATEWANGXIAOMINGSUPERVISPROFCUIPINGYUANACADEMICDEGREEAPPLIEDFDOCTOFENGINEERINGSPECIALITYSPACECRAFTDESIGNAFFILIATIONINSTITUTEOFSPACECRAFTDYNAMICSCONTROLDATEOFDEFENCEOCTOBER2009DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

簡介：電子科技大學UNIVERSITYOFELECTRONICSCIENCETECHNOLOGYOFCHINA碩士學位論文MASTERTHESIS論文題目基于不確定性的航空發(fā)動機渦輪盤概率疲勞壽命預測學科專業(yè)機械設計及理論學號201021080311作者姓名湯詠指導教師左明健黃洪鐘教授注1注明國際十進分類法UDC的類號。

簡介：西北工業(yè)大學碩士學位論文航空發(fā)動機部件性能跟蹤濾波器研究姓名歐陽舟申請學位級別碩士專業(yè)控制理論與控制工程指導教師樊思齊20040301西北「業(yè)人學碩二論文ABSTRACTABSTRACTTHISPAPERRESEARCHESTHEENGINECOMPONENTTRACKINGFILTERFORMODELBASEDCONTROLSYSTEMTHEPAPERANALYZESTHESOURCESOFMODELENGINEMISMATCHANDDESIGNSANENGINECOMPONENTTRACKINGFILTERTOMINIMIZEMODELENGINEMISMATCHBASEDONTHEKALMANFILTERINGMETHODSTHEMAINCONTENTOFTHISPAPERISTHEDESIGNAPPROACHFORESTIMATINGENGINECOMPONENTDEVIATIONPARAMETERSTHEESTIMATEPARAMETERSAREUSEDTOTUNETHEEMBEDDEDMODELTOMINIMIZEMODELENGINEMISMATCHBECAUSETHELINEARIZEDENGINEMODELISTIMEINVARIANTITISWELLKNOWNTHATTHEKALMANFILTERGAINMATRIXCONVERGESTOAUNIQUECONSTANTVALUEIFTHESYSTEMISBOTHFULLYOBSERVABLEANDCONTROLLABLEHENCE，THEKALMANFILTERGAINMATRIXCANBECOMPUTEDOFLINEUSINGMATLABTHERESEARCHUSESCOMPENSATINGMETHODTOSOLVEKALMANFILTERINGDIVERGENCEPROBLEMSTHISPAPERINTRODUCEANANALYTICMETHODOFINCORPORATINGSTATEVARIABLEINEQUALITYCONSTRAINSINTHEKALMANFILTERTHEINCORPORATINGSTATEVARIABLEINEQUALITYCONSTRAINSCANIMPROVESTHEESTIMATIONACCURACYANDSTRONGTHEPERFORMANCEOFRESTRAININGTHENOISETHERESEARCHSHOWSTHATTHEENGINECOMPONENTTRACKINGFILTERDESIGNEDINTHISPAPERCANWORKWELLWITHGOODCONVERGENCEKEYWORDSKALMANFILTERENGINEMODELPARAMETERSESTIMATIONTRACKINGFILTER

簡介：南京航空航天大學碩士學位論文高壓直流輸入航空靜止變流器DCDC級研究姓名周平森申請學位級別碩士專業(yè)電力電子與電力傳動指導教師王慧貞20040201高壓直流輸入航空靜止變流器DC／DC級研究ABSTRACTBECAUSEOFMANYATTRACTIVECHARACTERISTICS，SUCHASLOWSWITCHVOLTAGESTRESS，INHERENTANTIBREAKTHROUGHCAPABILITY，HIGHRELIABILITY，TWOTRANSISTORFORWARDCONVERTERTTFCHASBECOMEONEOFTHEMOSTWIDELYUSEDTOPOLOGYTLLISTHESISPRESENTSTHERESEARCHONDC／DCCONVERTERFORHI曲VOLMGEDCHVDCINPUTAERONAUTICALSTATICINVERTERASITHECONVERTERSPRESENTEDARECOMPOSEDOFTHETTFCTOPOLOGYCELLBASEDONCOMPARISONBETWEENTHEPARALLELPARALLELANDPARALLELSERIALCOMBINATIONTTFCANOVELTWOTRANSISTORFORWARDCONVERTERWITLPARALLELSERIAL／SERIALCOMBINATIONISPROPOSEDTHISCONVERTERREDUCESGREATLYTHECURRENTOVERSHOOTOFTHEPRIMARYSIDESWITCHESANDTHEVOLTAGEOVERSHOOTOFTHERECFIFYINGDIODESMOREOVERTHESIZEANDWEIGHTOFTHECONVERTERCANALSOBEREDUCEDBYINTERLEAVINGTECHNIQUEANDINCREASINGFREQUENCYTHEOPERATIONPRINCIPLEANDPARAMETERDESIGNOFPOWERCIRCUITS，LCDCAMPINGCIRCUITSANDCONTROLCIRCUITSAREPROPOSEDANDA6KWPROTOTYPEISSUCCESSFULLYDEVELOPEDANOVELDC／DCTRANSFORMERISPROPOSEDINTHISTHESISTHISCONVERTERNOTONLYRETAINSTHEADVANTAGESOFTTFCBUTALSOHASONLYTWOCAMPINGDIODESMOREOVERTHEPROPOSEDCONVERTEROPERATESATNEARLYUNITYDUTYRATIOFORVERYHIGHEFFICIENCYANDELIMINATESTHEVOLTAGEOVERSHOOTOFTHEOUTPUTRECTIFYINGDIODESTHEOPERATIONPRINCIPLE，OUTPUTCHARACTERISTICS，THECONDITIONOFZVSTURNONOFTHESWITCHESANDPARAMETERDESIGNAREILLUSTRATEDANDTHESIMULATIONANDEXPERIMENTALRESULTSAREALSOINCLUDEDINTHISTHESISKEYWORDSDC／13CCONVERTER，DC／DCTRANSFORMER，TWOTRANSISTORFORWARDCONVERTER，PARALLELSERIALCOMBINATION，INTERLEAVEDCONTR01II

簡介：中國民航大學碩士學位論文航空發(fā)動機內(nèi)窺檢測損傷評估系統(tǒng)研究姓名徐文君申請學位級別碩士專業(yè)導航、制導與控制指導教師羅云林20070225中回民航天學碩I‘學位論文ABSTRACTBORESCOPICINSPECTIONISONEOFTHEMOSTEFFECTIVEMEANSFORAEROENGINEINTERIORSURFACEDEFECTINSPECTIONITAPPLIEDEXTENSIVELYTOTHEAFFEAOFAEMENGINEMAINTENANCETHEDEFECTWHICHISFOUNDDURINGINSPECTIONMUSTBEEVALUATEDCONFIRMTHEINFORMATIONOFDEFECTSUCHASTYPEANDDIMENSIONSOTHATENGINEERSEARLMAKECERTAINTHENEXTSTEPOFMAINTENANCEPROPERDEFECTEVALUATINGCANREDUCEMAINTENANCECOSTINCREASEWORKCYCLES，ANDPROVIDEBASISFORMAKINGSCHEDULEDINSPECTIONCYCLEENSL2MCAEROENGINEPERFORMNORMALLYDURINGINSPECTIONCYCLEATTHEPRESENTTIME，ENGINEERSEVALUATEBORESCOPICINSPECTIONDEFECTDEPENDOLLWORKEXPERIENCEANDLOOKINGUPTHEEVALUATERESULTMANUALLYINAIRCRAFTMAINTENANCEMANUALTHISWAYOFDEFECTEVALUATINGHASTHEDEMERITSOFSUBJECTIVITYLOWPRECISIONANDWASTINGTIME，AIMINGATTHESEDEMEMS，THISPAPERANALYSESCHARACTERISTICSOFAEROENGINEDEFECTSANDDEFECTSEVALUATING，BUILDSDEFECTSEVALUATINGSYSTEMFORAEROENGINEBORCSEOPICINSPECTIONBYAPPLYINGTECHNOLOGYSUCHASDIGITALIMAGEPROCESSINGMODERECOGNITIONSTEREOVISION，EXPERTSYSTEM，ETCTHESYSTEMISCOMPOSEDOFDEFECTRECOGNIZINGMODULE，DEFECTDIMENSIONMEASNRELNENTMODULEANDDEFECTEVALUATINGMODULEFIRSTOFALL，STUDYBORESCOPICINSPECTIONIMAGESEGMENTATIONDEFECTTYPERECOGNIZINGANDDEFECTMEASUREMENTSECONDLYBUILDANEXPERTSYSTEMFORDEFECTEVALUATINGESPECIALLYSTUDYTHEESTABLISHMENTOFKNOWLEDGEBASEANDDESIGNOFREASONINGSTRALCGYTHEFRAMEREPRESENTATIONMETHODANDTHEPRODUCTIONREPRESENTATIONMETHODAREADOPTEDTOEXPRESSTHEFACTKNOWLEDGEANDTHERULEKNOWLEDGEOFDEFECTEVALUATINGTHEKNOWLEDGEBASEISESTABLISHEDANDMANAGEDBYMLATIONDATABASESYSTEMTHEEXPERTSYSTEMADOPTSFORWARDREASONINGMETHODFINALLYDEVELOPSOFTWAREOFTHESYSTEMBYVISUALCANDACCESS2003ANDVALIDATETHESOFTWAREBYININSTANCEKEYWORDSAEROENGINE，BORESCOPICINSPECTIONDEFECTSEVALUATING，EXPERTSYSTEM，VISUALCU

簡介：西北工業(yè)大學碩士學位論文X型航空發(fā)動機神經(jīng)網(wǎng)絡控制研究姓名劉延峰申請學位級別碩士專業(yè)控制理論與控制工程指導教師郭迎清20030301西北工業(yè)大學碩士擘住論文ABSTRACTAEROENGINEWASACONTROHEDOBJECTWIMSUCHFEATURESASCOMPLICATEDWORKINGMECHANISM，CBAZACTEFISFIASVARIEDGREATLY們TLLWORKINGSTATEANDENVIRONMENTCONDITION，F(xiàn)ORSUCHCONTROLLEDOBJECT，CLASSICALFEEDBACKCONTROLTHEORYANDOPTIMALCONUOLTHEORYCANTGUARANTEEOPTIMA／PERFORMANCE．INTHISPAPER,ANWTYPENEURALNETWORKCONSTRUCTIONANDALGORITHMWASSTUDIED．BASEDONTHIS，THENEURALNETWORKWASAPPLIEDASCONTROHCRTOTHESINGLELOOPANDTHEDOUBLELOOPSOFAEROENGINEINSTEADYSTATE．BYTHEWAY,ELEMENTARYSTUDYWASAPPLIEDFORTHE卸靳ENGINETRANSIENTSTATECONTR01．FORCON缸MT，THEFULLPROCESSFORTHECLASSICALPIDCONTROLLERDESIGNANDTHEPARAMETERDETERMINATION、Ⅳ肽GIVEN．BASEDONTHESIMULATIONRESULT，ACONCLUSIONWASDRAWNTHENEURALNETWORKCANSATISFYTHECONTROLREQUIREMENTFORTHESINGLELOOPS￡CADYSTATEUNDERTHEPARAMETERSVARYING．REALIZEDTHEDECOUPLEANDCONTROLREQUIREMENTFORTHEDOUBLELOOPSSTEADYSTATE，THECOUPLINGBETWEENTHEPARAMETERSWASDECOUPLED．FORTHESINGIELOOP括叫鞫耗MSTATECONTROL，THECONTROHERPOSSESSPERFECTUACKINGPERFORMANCE．MOREOVER,THENETWORKCONSTRUCTIONWASSIMPLEANDNORMATIVE，EASYTOBEREALIZED．THESIMULATIONRESULTWASSATISFIEDFORTHETTEROENGINECONTROLSYSTEM、ⅣITLLBROADWORKINGRANGE．KEYWORDLA啪ENGINENEURALNETWORKBPALGORITHMSTEADYSTATECONTROLAEROENGINETRANSIENTCONTROLLI