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簡(jiǎn)介:分類(lèi)號(hào)UDC密級(jí)公Ⅱ?qū)W位論文題目基于信息融合的航空發(fā)動(dòng)機(jī)整機(jī)振動(dòng)故障診斷技術(shù)研究研究生姓名學(xué)科專(zhuān)業(yè)名稱(chēng)研究方向論文類(lèi)型申請(qǐng)學(xué)位指導(dǎo)教師姓名指導(dǎo)教師職稱(chēng)指導(dǎo)教師單位論文提交日期論文答辯日期費(fèi)成巍航空宇航推進(jìn)理論與工程航空發(fā)動(dòng)機(jī)試驗(yàn)與測(cè)試技術(shù)應(yīng)用基礎(chǔ)碩T艾延廷教授沈陽(yáng)航空工業(yè)學(xué)院2009年11月24日2010年01月08日沈陽(yáng)航空工業(yè)學(xué)院2叭0年01月原創(chuàng)性聲明本人鄭重聲明所呈交的學(xué)位淪文是本人在導(dǎo)師的指導(dǎo)下獨(dú)立完成的。除文中已經(jīng)注明引用的內(nèi)容外,本論文不包含其他個(gè)人或集體已經(jīng)發(fā)表或撰寫(xiě)過(guò)的作品或成果,也不包含本人為獲得其他學(xué)位而使用過(guò)的成果。對(duì)本文研究做出重要貢獻(xiàn)的個(gè)人或集體均已在論文中進(jìn)行了說(shuō)明并表示謝意。本聲明的法律后果由本人承擔(dān)。論文作者簽名岳南毳,陽(yáng)IO年F月他日
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大?。?8.74(MB)
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簡(jiǎn)介:哈爾濱工程大學(xué)碩士學(xué)位論文小型航空發(fā)動(dòng)機(jī)傳感器容錯(cuò)控制技術(shù)研究姓名劉漢斌申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)控制工程指導(dǎo)教師蘭海;何保成20111104哈爾濱工程大學(xué)碩士學(xué)位論文II
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大小: 2.2(MB)
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簡(jiǎn)介:中南工業(yè)大學(xué)博士后學(xué)位論文航空剎車(chē)用CC復(fù)合材料氧化行為抗氧化涂層的研究姓名易茂中申請(qǐng)學(xué)位級(jí)別博士后專(zhuān)業(yè)材料學(xué)指導(dǎo)教師黃伯云19990701出爐。其最佳抗氧化效果為9000C、2小時(shí)靜態(tài)氧化失重率為015%,9000C、4小時(shí)氧化失重率為113%。5未固化處理的涂層試樣900。C靜態(tài)氧化動(dòng)力學(xué)曲線呈二段直線型,而固化處理的涂層試樣在900。C氧化的動(dòng)力學(xué)曲線具有拋物線形狀,不論涂層固化與否在較低溫度的700。C靜態(tài)氧化動(dòng)力學(xué)曲線基本上呈直線型。6帶涂層的C/C復(fù)合材料氧化過(guò)程是一個(gè)復(fù)雜的氣固反應(yīng)過(guò)程,包括I氧氣向內(nèi)的擴(kuò)散;2氧與涂層中的耗氧組元反應(yīng)生成新的陶瓷組元;3進(jìn)入涂層與基體材料界面的氧與材料發(fā)生氧化反應(yīng)形成氣體;4反應(yīng)氣體向外擴(kuò)散。關(guān)鍵詞C/C復(fù)合材料氧化抗氧化涂層飛機(jī)剎車(chē)盤(pán)
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大?。?3.27(MB)
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簡(jiǎn)介:中南大學(xué)碩士學(xué)位論文航空發(fā)動(dòng)機(jī)軸間密封CC復(fù)合材料的制備及摩擦磨損特性研究姓名彭春蘭申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)材料學(xué)指導(dǎo)教師易茂中20020101ABSTRACTTHESEALRINGISTHECRITICALPARTFBRTHESEALINGOFTHEMAINAXISOFAEROPLANEENGINEACCORDIⅡGTOTHEREQUIREMEⅡTOFAPPLYINGCONDITIONS,ITMUSTHAVEHIGHSTRENGTH,EXCELLENTOXIDATIONRESISTANCEANDLOWCOEFFICIENTOFFRICTIONANDWEARRATIOTHECARBONCARBOⅡCOMPOSITESWEREFABRICATEDANDTHEIRPROPERTIESWEREANALYZEDWHAT’SMORE,F(xiàn)RICTIONANDWEARPROPERTIESOFTWOTYPESOFMATERIALS,CARBONCARBONCOMPOSITEANDHIGHSTREⅡGTHGRAPHITEW血ICHWASSUPPOSEDTOBEUSEDASTHESEALRINGOFTHEMAINAXISOFAEROPLANEENGINE,WEREINVESTIGATEDACCORDIⅡGTOTHEREQUIREMENTOFAPPLYINGCONDITIONSANDPFOPERTIESOFTHESEAL“ⅡGOFTHEMAINAXISOFAEROPLANEENGINE,PREFBRMSWEREDESIGNEDINTOTHESUBSTRATETHATTHECARBONCLOTHANDFELTALTERNATELYWEREWINDEDAROUⅡDTHECYLIⅡDERAⅡDTHENNEEDLEDWITHCARBONFIBERINTHERADIALDIRECTIONANDTHEOTHER3一DWEAVIⅡGSUBSTRATETBREINFBRCETHEFIBREANDTHEMATRIXCONNECTING,PREFORMSWEREDENSIFIEDBYCVDFIRSTLYTHEPYROLYTICCARBOⅡWITHRL/SLSTRUCTUREORSLSTRUCTUREWASOBTAINEDAFTERTHATTHEMATERIALSWEREFURTHERDENSIFIEDWITHRESINANDHEATTREATEDAT2L00℃THESTRENGTH觚DWEARRESISTANCEWASIMPROVED,ANDTHERESINWOULDGUARANTEETHESEALINGEFFECTAFTERHEATTREATMENT,THEDEGREEOFGRAPHITIZATIONOFTHEMATERIALSWASABOUT30~50%,ANDTHEDEGREEOFGRAPHITIZATIONOFMATERIALL6拌WASAMOUNTT0471%THEHARDNESSOFTHE3DPREFBRMMATERIALWASCLOSEINTHERADIALANDCIRCUMAMBIENTDIRECTIONBUTTHEHARDNESSOFTHEOTHERPREFORMWASALMOSTANISOTROPICTHETHERMALCONDUCTIVITYWASALSOANISOTROPICTHECOEFFICIENTOFTHERMALEXP蚰SIONDECREASEDWITHTHETEMPERATUREINCREASEDWHEN400℃,ITWASATTHEBOTTOM,鋤DWHEⅡTO500℃,ITINCREASEDANDTHEMECHANICALPROPERTYOFCARBONCARBONCOMPOSITEWASPSEUDOPLASTICBYSTUDYINGFICTIOⅡANDWEAROFTHECARBONCARBONCOMPOSITEANDIT
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頁(yè)數(shù): 85
大?。?5.55(MB)
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簡(jiǎn)介:中圖分類(lèi)號(hào)V2337論文編號(hào)102870215S103學(xué)科分類(lèi)號(hào)082502碩士學(xué)位論文航空發(fā)動(dòng)機(jī)控制系統(tǒng)傳感器故障診斷與容錯(cuò)控制研究生姓名姜潔學(xué)科、專(zhuān)業(yè)航空宇航推進(jìn)理論與工程研究方向航空發(fā)動(dòng)機(jī)傳感器故障診斷指導(dǎo)教師李秋紅副教授南京航空航天大學(xué)研究生院能源與動(dòng)力學(xué)院二О一五年三月NANJINGUNIVERSITYOFAERONAUTICSANDASTRONAUTICSTHEGRADUATESCHOOLCOLLEGEOFENERGYANDPOWERENGINEERINGRESEARCHONAEROENGINECONTROLSYSTEMSENSORFAULTDIAGNOSISANDFAULTTOLERANTCONTROLATHESISINAEROSPACEPROPULSIONTHEORYANDENGINEERINGBYJIANGJIEADVISEDBYASSOCIATEPROFESSORLIQIUHONGSUBMITTEDINPARTIALFULFILLMENTOFTHEREQUIREMENTSFORTHEDEGREEOFMASTEROFENGINEERINGMARCH,2015
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簡(jiǎn)介:西北工業(yè)大學(xué)碩士學(xué)位論文某型航空螺旋離心泵性能計(jì)算研究姓名何海強(qiáng)申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)控制理論與控制工程指導(dǎo)教師郭迎清20040301ABSTRACTFUELPUMPANDLUBEPUMPUSEDINPRESENTAEROENGINEANDSPACEENGINEAREORIENTEDTOSMALLERVOLUME,BIGGERFLUXANDHIGHERPRESSURETHEYDIFFERSMUCHFROMTHETRADITIONALHYDRAULICELEMENTBOTHINMECHANICSANDINPRINCIPLETHEFRESHTHOUGHTANDCUTEMETHODUSEDINTHESEPUMPSMAKETHEMWORKBETTERANDCONTRIBUTEMORETOTHEOPERATIONOFTHERULESYSTEMTHUS,ITISOFMUCHINDISPENSABILITYTOFINDOUTTHENEWIDEASANDEXCLUSIVEMECHANICSSTRUCTUREANDPERFORMANCEOFASCREWCENTRIFUGALPUMPUSEDINAEROENGINEWASDISCUSSEDINTHISPAPERANDTHECALCULATIONMETHODOFTHEPUMP’SPERFORMANCEWASALSOGIVENOUTTHEPAPERBEGINSWITHTHEDISCUSSIONOFTHEOPERATINGPRINCIPLEANDFUNCTIONOFTHESCREWINDUCERSPECIALELEMENTOFTHEPUMP,ANDTHENGIVESTHEDEFINITIONANDRELATIONSHIPOFTHEPARAMETERSANDTHECURVEFUNCTIONOFTHEINDUCERASWELL,WHICHISOFGREATIMPORTANCETODATAANALYZINGANDPUMPMANUFACTURINGBYPRESENTINGTHESIMPLIFIEDFLOWMODEL,THEFLOWANDVELOCITYTRIANGLESWEREANALYZEDTNTHEPAPERTHEAUTHOREXCAVATEDTHEPERFORMANCE,CALCULATEDTHEVELOCITY,PRESSUREANDFLOWLOSSOFTHEWORMSHELL,THEOUTLETELEMENTOFTHEPUMPACCORDINGTOTHECOMMONMETHODOFTHEPERFORMANCECALCULATIONOFCENTRIFUGALPUMP,THEAUTHORCALCULATEDTHEHEADANDPOWEROFTHEPUMP,SHOWEDTHEWAYTOGETTHEPRESSUREOFTHEOUTLETANDTHEAUTHORALSOINDICATEDTHEIMPACTOFTHESTRUCTUREPARAMETERSANDTHUSGUIDEDTHEDESIGNOFTHEPUMPTHERESULTSSHOWTHATTHESCREWCENTRIFUGALPUMPISATYPEOFWELLWORKINGPUMPWITHGOODPERFORMANCE,ITHASHIGHERHEADANDEFFICIENCYWITHBETTERABILITYOFANTIEROSIONBOTHTHEPARAMETERSANDTHEWORKINGCONDITIONCANAFFECTTHEPUMP’SOPERATIONANDPERFORMANCEDIRECTLYITISAUSEFULWAYTOCHANGETHESEPARAMETERSTOMEETTHENEEDOFTHEENGINEERING【KEYWORDS】SCREWCENTRIFUGALPUMP;SCRE%VINDUCER;WORMSHELLPERFORMANCECALCULATION
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簡(jiǎn)介:碩士學(xué)位論文士學(xué)位論文航空遠(yuǎn)距離傾斜攝影相機(jī)掃描穩(wěn)像及像移補(bǔ)償技術(shù)研究RESEARCHONSCANNINGMOTIONCOMPENSATIONOFAIRBNECAMERAFLONGRANGEOBLIQUEPHOTOGRAPHY李福東李福東哈爾濱工業(yè)大學(xué)哈爾濱工業(yè)大學(xué)2015年7月CLASSIFIEDINDEXV2435UDC6213DISSERTATIONFTHEMASTERDEGREEINENGINEERINGRESEARCHONSCANNINGMOTIONCOMPENSATIONOFAIRBNECAMERAFLONGRANGEOBLIQUEPHOTOGRAPHYCIDATELIFUDONGSUPERVISPROFGUANYINGZIACADEMICDEGREEAPPLIEDFMASTEROFENGINEERINGSPECIALITYSPACECRAFTDESIGNAFFILIATIONSCHOOLOFASTRONAUTICSDATEOFDEFENCEJULY2015DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY
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頁(yè)數(shù): 62
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簡(jiǎn)介:中國(guó)民用航空學(xué)院碩士學(xué)位論文BP網(wǎng)絡(luò)與航空發(fā)動(dòng)機(jī)模型在間隙對(duì)性能影響研究中的應(yīng)用姓名馬曉剛申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)航空宇航推進(jìn)理論與工程指導(dǎo)教師白杰李書(shū)明20040110中國(guó)民用航空學(xué)院碩士學(xué)位論文ABSTRACTTHISPAPEROPTIMIZEDANDANALYZEDTHEDATAOFASSEMBLYTOLERANCESINTEGRATEDWITHTHEFACTDURINGAEROENGINEMAINTENANCE,ANDASSEMBLEDAMODELTORESEARCHTHERELATIONSHIPBETWEENTHETOLERANCESOFKEYENGINECOMPONENTSINCLUDINGTIPCLEMANCESOFROTATINGCOMPONENTSANDENGINEPERFORMANCETHROUGHTHECOMBINEDUSEOFBPARTIIKIALNEURALNETWORKANDCONVENTIONALTHEORETICMODELOFAEROENGINEINTHERESULTOFTHISPAPER,SOMERULESAREGIVENTOOUTLINETHESERELATIONSHIPSTHATISVERYUSEFULTOCONTROLTHEASSEMBLYTOLERANCESANDACHIEVEHIGHLEVELSOFENGINEPERFORMANCEAFTERSERVICINGDATAOFASSEMBLYTOLERANCESDISCUSSEDINTHISPAPERARESTATICTOLERANCEBEFORETESTANDEMPHASIZEPARTICULARLYOILINVESTIGATINGTHERELATIONSHIPBETWEENCLEARANCESOFASSEMBLYBLADESANDTHEENGINEPERFORMANCEBESIDES,BPARTIFICIALNEURALNETWORKANDWORKINGCONDITIONEQUATIONOFTHEENGINEAREADOPTEDINTHISPAPERTOFORECASTTHEEFFECTOFTIPCLEARANCEONPARAMETERSOFENGINESUCHASEFFICIENCYOFPRESSURECOMPRESSOGEFFICIENCYOFTURBINE,THETEMPERATUREINTHEFRONTOFTURBINEANDEXHAUSTGASTEMPERATUREBECAUSEOFTHELIMITATIONOFTHEANALYTICALMETHODOFMATHEMATICS,THERELATIONSHIPOFTOLERANCERECORDEDDURINGMAINTAININGANDENGINEPERFORMANCEDESCRIBEDINTHISPAPERCORRESPONDSTOTHESPECIFICSERVICINGCONDITIONANDMODELBUTTHEMETHODCANAPPLYTODEALWITHOTHERENGINEMODELTHEDATAINTHISPAPERARECOLLECTEDFROMACIVILTURBINEFANENGINEWITHAFAN,TWOAXIALCOMPRESSORS,ANAXIALHIGHPRESSURETURBINEHPRLL,ANDANAXIALLOWPRESSURETURBINELPTCANREPRESENTCOMMONMODELTHROUGHANALYZINGINTHISPAPERWEVERIFIEDTHATTIPCLEARANCESAFFECTSENGINEPERFORMANCEANDOPERABILITYATTHESAMETIMESOMEOTHERTOLERANCESHAVEEFFECTSTOENGINEPERFORMANCESOMECONCLUSIONDRAWNINTHISRESEARCHCANOFFERREFERENCETELEVANTRESEARCHERFINALLY,ANAPPLICATIONPROGRAMPW4000ASSEMBLYTOLERANCESANDENGINEPERFORMANCEANALYSISSYSTEMWASDEVELOPEDINVCLANGUAGEANDODBCDATABASETHROTLGHANALYSISANDPREDICTIONEMPLOYEDTHISSYSTEMTHEVALIDITYOFTHERESEARCHAPPROACHESINTHISPAPERWASVERIFIEDKEYWORDSAEROENGINE,PERFORMANCE,TOLERANCE,BPANN
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簡(jiǎn)介:合肥工業(yè)大學(xué)碩士學(xué)位論文航空軸承性能試驗(yàn)測(cè)試控制系統(tǒng)的研制姓名劉蘇亞申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)機(jī)械工程指導(dǎo)教師尹志強(qiáng)徐同申20040401THERESEARCHINGANDMANUFACTURINGOFCONTR0IIINGANDTESTSYSTEMFORAVIATIORBERINGTESTERABSTRACTTHEAVIATIONBEARING‘‘661701”ISDEVELOPEDASINTERVENINGBEARINGWHICHISALSOCALLEDONEWAYBEARINGOFAVIATIONENGINEFORTHE608RESEARCHINSTITUTEOFAVIATIONINDUSTRYBYLUOYANGBEARINGSCIENCEANDTECHNOLOGYCD.,LTD.THEPERFORMANCEOFTHEBEARINGISDIRECTLYASSOCIATEDWITHTHESTARTUP.THEREFOR,ITISVERYIMPORTANTTOTESTTHEONEWAYBEARING“66I701”。TWOELECTRICSPINDLESAREUSED,ONESIMULATESTHESTARTERMOTOR,THEOTHERSIMULATESENGINETODRIVEBEARING.INTHETEST,THESPEEDOFREVOLUTION,TEMPERATURE,OILSUPPLYPRESSUREANDOTHERPARAMETERAREMEASUREDBYTHEINDUSTRYCONTROLCOMPUTER。ATTHESAMETIME,ITDETAILEDDEMONSTRATEANDCARRYOUTTHEWAY,WHICHAPPLYHOUSINGELECTRICSPINDLESATGENERATIONSTATETOCARRYOUTHOUSINGTOQUELOADINGINTHEJOINTTESTINGANDINDIRECTLYESTIMATIONHOUSINGTORQUELOADINGBYTHEELECTROMAGNETISMTORQUEOFINNERTUBEELECTRICSPINDLES.THUS,THETECHNICALPROBLEMTHATTHEHIGHSPEEDSHAFTINGTORQUELOADINGDEVICEANDTORQUESENDERAREDIFFICULTTOINSTALLISSOLVEDANDITSAVESASETOFEXPENSIVEHIGHSPEEDSHAFTINGTORQUELOADINGANDMEASURINGDEVICE.THEOUTCOMEFILLTHEBLANKINTHEDOMESTICFIELDOFTORQUELOADINGFORHIGHSPEEDONEWAYBEARINGTEST.ANDITREACHESADVANCEDLEVELINOURCOUNTRY。THEPARAMETRICSELFADJUSTINGONLINEINTERPOLATIONFUZZYCONTROLISFORMEDBYTHEAPPLYINGPRACTICALINTERPOLATIONMETHODANDPARAMETRICSELFADJUSTINGMETHODTOROUTINEFUZZYCONTROLSYSTEMTHESYSTEMLOWERTHESTATICERRORANDAVOIDTHEFLUTTEROFROUTINEFUZZYCONTROLLER.THESIMULATIONRESULTSPROVETHATTHISSYSTEMHASRAPIDDYNAMICRESPONSESPEEDANDHIGHSTEADYSTATE,ASWELLASGOODFOLLOWINGCAPABILITYANDSTRONGROBUSTNESS.
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大?。?2.02(MB)
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簡(jiǎn)介:東南大學(xué)碩士學(xué)位論文加強(qiáng)政府航空安全管理對(duì)策研究姓名陳忠躍申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)公共管理指導(dǎo)教師袁久紅20110930ABSTRACTTITLETHESTRATEGYFORTHEGOVERNMENTTOSTRENGTHENAVIATIONSAFETYMANAGEMENTNAMECHENZHONGYUESUPERVISORYUANJIUHONGUNIVERSITYSEUSOUTHEASTUNIVERSITYALONG霄ITHTHERAPIDDEVELOPMENTOFCIVILAVIATIONINDUSTRYOFCHINA。THEDEMANDOFAIRTRANSPORTHASBEENDRAMATICALLYINCREASINGTHECONFLICTBETWEENTHERAPIDGROWTHOFTHEFLIGHTTRAFFICANDTHERELATIVELYWEAKSAFETYBASISISMORESERIOUSTHISPAPERFIRSTANALYZESTHEPRESENTSITUATION8NDCHARACTERISTICSOFTHECIVILAVIATIONSAFETYMANAGEMENTTHENFROMTHESTATISTICALANALYSISOFTHECRASHINTHEPASTTWODECADES,WEOBTAINTHEMAINMANAGEMENTFACTORSFORAVIATIONSAFETYBASEDONTHEABOVEMANAGEMENTFACTORS,霄EANALYZESTHEMAINSECURITYMANAGEMENTPROBLEMSINTHEAVIATIONINDUSTRYFROMTHEPLANNING,ORGANIZATIONCOORDINATIONANDCONTROLFUNCTIONSWEPROVETHATTHE90VER咖ENTNEEDENHANCETHEAVIATIONSAFETYMANAGEMENTFROMSCIENTIFICPLANNING。MACROCONTROL,INSTITUTIONALCHANGE,STRENGTHENINGPRODUCTIONSAFETYRESPONSIBILITY,STRENGTHENINGEMERGENCYMANAGEMENTANDSOONTHEGOVERNMENTISTHEMOSTIMPORTANTAVIATIONSAFETYREGULATORTHISARTICLEPROVIDESTHESTRATEGYFORTHEGOVERNMENTSTRENGTHENINGAVIATIONSECURITYMANAGEMENTTHESTUDYPROVIDESAGOODREFERENCEFORTHEGOVERNMENTTOENHANCETHEAVIATIONSAFETYMANAGEMENTKY的RD8GOVER珊ENT;CIVILAVIATION;SAFETY艙NAGEMENT№NAGEMENTSYSTEM
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頁(yè)數(shù): 47
大小: 2.56(MB)
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簡(jiǎn)介:西北工業(yè)大學(xué)碩士學(xué)位論文基于隨機(jī)PETRI網(wǎng)的航空電子綜合系統(tǒng)數(shù)據(jù)總線建模分析姓名耿修堂申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)系統(tǒng)工程指導(dǎo)教師吳勇20040301西北工業(yè)大學(xué)碩卜論文基于隨機(jī)PETRI網(wǎng)的航空電F綜合系統(tǒng)數(shù)據(jù)總線的建模分析ABSTRACTTHETHESISCONTENTISMODELLINGANDANALYSISOFINTEGRATEDAVIONICSSYSTEMDATABUSWITHSTOCHASTICPETRINETTHEPURPOSEISOPTIMIZINGBUSTRANSMISSIONSYSTEMBYTHEANALYSISOFINTEGRATEDAVIONICSSYSTEMDATABUSCAPABILITYPARAMETERUTILIZINGTIMEDPETRINETSTOCHASTICPETRINETMODELLINGTOOLANDCOMPUTERTOOLSIMULATINGANDANALYZINGINTEGRATEDAVIONICSSYSTEMDATABUSANDATTAININGSYSTEMTIMECAPABILITYPARAMETERARETHESTUDYINGMETHODOFTHETHESISASARESULTOFSTUDYINGWEGAINTHREESYSTEMTIMECAPABILITYPARAMETEROFMONOLAYERBUSFRAMEWORKANDTWODOUBLEBUSFRAMEWORKDATABUSUTILIZATIONLENGTHOFTHEDATAWAITINGQUEUEANDTIMEOFSYSTEMTIMEDBASINGONFIXEDBCCONTROLSEASONALREPERTOIRETIMEDPETRINETANDSTOCHASTICPETRINETWEALSOTAKETWOCONCLUSIONSBYFOREGOINGRESULTFIRSTOFALLTHESYSTEMBECOMESMOREANDMORECOMPLEXTHESYSTEMDATABUSUTILIZATIONCOPYRESULTTIMEOFSYSTEMTIMEDANDLENGTHOFTHENEWSWAITINGQUEUEBECOMEMOREANDMOREPRECISEBASINGONSTOCHASTICPETRINETATTHESAMETIMETHEMODELISVISUALVIVIDCONCISEANDCURRENTSECONDLYWHENITISTWODOUBLEBUSFRAMEWORKTHEUTILIZATIONOFDATABUSANDLENGTHOFTHEDATAWAITINGQUEUEWILLFALLQUICKLYKEYWORDSINTEGRATEDAVIONICSSYSTEMSTOCHASTICPETRINET1553BDATABUSTIMEDPETRINET
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簡(jiǎn)介:西北工業(yè)大學(xué)碩士學(xué)位論文航空高壓直流稀土永磁無(wú)刷電機(jī)控制技術(shù)研究姓名梅彥平申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)電機(jī)與電器指導(dǎo)教師馬瑞卿20050301西北工業(yè)大學(xué)碩士學(xué)位論文ABSTRACTABSTRACTRESPONDTOTHEREQUIREMENTOFANAVIATIONDEPARTMENTTHESPEEDCONTROLTECHNIQUESANDTHERELATIVEAPPLIANCETECHNIQUESOFRAREEARTHPERMANENTMAGNETBRUSHLESSDCMOTORBLDCMWHICHWORKSFORTHENEWHIGHVOLTAGEPOWERSUPPLYSYSTEMOFPLANEISRESEARCHEDINTHISPAPERTHEPAPERMAINLYINCLUDESTHREEPARTSFIRSTBASEONTHECOMPREHENSIVEANALYSISANDSTUDYABOUTTHESTRUCTUREPRINCIPLESANDCONTROLRULESOFBLDCMOTORCONTROLSYSTEMITSCONTROLMETHODTHATUSEDFORHVDCSYSTEMISRESEARCHEDINORDERTEALIZETHEMOTORS“SOFTSTART“ANIDEALSTARTPROCESSIONASOFTWAREPROGRAMANDASTRATEGYOFSPEEDANDCURRENTDOUBLECLOSELOOPCONTROLSYSTEMTIMETHESPEEDAREINTRODUCEDTOLIMITITSSTARTCURRENTATTHESAMECLOSELOOPSYSTEMARESIMULATEDSECONDDEPENDONTHESTUDYOFTHEPRINCIPLESANDTECHNIQUESOFTHEMINIATUREHIGHFREQUENCYSINGLEENDEDFLYBACKSWITCHINGPOWERSUPPLYESPECIALLYTHEPRINCIPLESOFTHESINGLECONTROLCHIPOFSWITCHINGPOWERSUPPLYTOP224YANDTHECALCULATIONANDDESIGNOFHIGHFREQUENCYTRANSFORMER,ASWITCHINGPOWERSUPPLYWHOSECONTROLCHIPISTOP224YISDESIGNEDWHICHACCOMPLISHTHEPOWERTRANSFORMATIONFROM270VDCTO5VDCAND15VDCINTHEMEANINGTIMETHEPROBLEMOFEMCISRESEARCHEDANDSOMEMETHODSTOREDUCETHEINFLUENCESOFEMCAREPUTFORWARDLASTBASEONALLTHOSERESEARCHESABOVEACONTROLLERWHICHUSETHEMICROCONTROLLERCHIPAT89C51ISDESIGNEDITUSESTHESIGNALSTHATCOMEFROMTHEROTORPOSITIONSENSORTOGETTHEMOTORSSPEEDINDIRECTLYANDUSESSOFTWARETOACCOMPLISHTHESIGNALSOFPWMWAVEANDTHESTRATEGYOFSPEEDCLOSELOOPCONTROLTHESIMULATIONABOUTTHECONTROLTHEORYISVERIFIEDBYTHEEXPERIMENTTHISCONTROLLERGUARANTEESTHEMOTORWORKSIN4KINDSOFPATTERNSSAFELYANDTHEWORKSSTABILITYISENSUREDTHROUGHSEVERALKINDSOFANTIDISTURBANCETECHNIQUESTHEEXPERIMENTRESULTSSHOWSTHATTHESWITCHINGPOWERSUPPLYPROVIDEAPERFECTQUALITYPOWERFORTHECONTROLLERTHEMOTORSSPEEDCANBESTABILIZEDORADJUSTEDINCESSANTLYIN4KIND
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簡(jiǎn)介:西北工業(yè)大學(xué)碩士學(xué)位論文用于航空發(fā)動(dòng)機(jī)MBC控制的部件性能跟蹤濾波器研究姓名郭濤申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)控制理論與控制工程指導(dǎo)教師樊思齊20030301聽(tīng)北T業(yè)人學(xué)碩L論文ABSTRACTABSTRACTTRACKINGFILTERISAIMPORTANTCOMPONENTOFMBCMODELBASEDCONTR01SYSTEMINTHISPAPERAAEROENGINEPERFORMANCETRACKINGFILTERISDESIGNEDBYKALMANFILTERALGORITHMTHEFILTERESTIMATETHEECDPENGINECOMPONENTDEVIATIONPARAMETERSWHICHREFLECTTHEDETERIORATIONOFENGINEANDTHEVARIATIONBETWEENENGINESTHEESTIMATEPARAMETERSAREUSEDTOTUNETHEEMBEDDEDMODELTOMAKETHEMODELCONSISTENTWITHTHEENGINEWHICHRESPECTTHENTHEMODELISUSEDTOCALCULATETHEENGINEPERFORMANCEPARAMETER腸ECHANGEOFECDPISMODELEDINASTATESPACEPERTURBATIONFORMULATION,AUTHORREFORMULATETHEMATHEMATICMODELOFENGINETOPROCESSTHEECDPASTHESTATEPARAMETERSOFMODEL,EXPATIATEONTHEPROVEOFTHEFILTERSTABILITYSTUDYTHEFILTERVOLATILIZATIONPHENOMENONBYFREEZINGKMATRIXANDCOMPENSATINGTHEMODELBYECDETHEVOLATILIZATIONOFFILTERISSOLVEDINSIMULATIONENVIRONMENTFOURTRACKINGFILTERSAREDESIGNEDBYALTERINGTHECOMPONENTOFOBSERVEPARAMETERTODETECTTHEEFFECTOFDIFFERENTCOMPONENTAILFOURFILTERSAREEVALUATEDINDIFFERENTPOSHIONOFFLYENVELOPKEYWORDSACMENGINESYSTEMIDENTIFICATIONTRACKINGFILTERKALMANFILTERMODELBASEDCONTROL
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頁(yè)數(shù): 92
大?。?1.8(MB)
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簡(jiǎn)介:中國(guó)民用航空學(xué)院碩士學(xué)位論文航空發(fā)電機(jī)性能測(cè)試用電力電子負(fù)載的研究姓名侯威申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)導(dǎo)航、制導(dǎo)與控制指導(dǎo)教師臧小杰20050124中國(guó)民用航空學(xué)院硪}’學(xué)位論義ABSTRACTATPRESENTINOURCOLLLLNYMEEQUIPMENTOFPERFO肋ANCETESTOFAEROENGINEISIMPORT.THISEQUIPMEMISVERYEXPENSIVEA11D血EPERFBMLANCEOFITISNOTVERYGOOD.THISP印ERDESCRIBESTLLEELEC研CLOADHAVINGPOWERREG鋤ERALIONABILI哆1KSELECTRICLOADCALLBEUTILIZEDTOTESTTHEPERFO玎NACEOFAEROEN茁NEANDAL§OCANBEU∞D(zhuǎn)BY也EPOWERSOURCEF她TORYANDTHEINOTORMANUFACTURINGPLAILTETC.NCOMPOSESOFTWOPANS,也EINVERTERANDT11ECONVERTELINTHECONVENERPART血ETHESISDISCUSSESTHCSMALLSI鄂IALMODELALLDTLLEAVERAGEMODEL.ININVERTERPANITMAJNLYCOMPARESSOMECURRENTCOMR01WAYSANDTDLSTHEADV瓤LTAGESTLLISP印ERUSED.THEELE蹦CLOAD也ISP叩ERDIS瞄SESH鵲FOUOWINGABIL姆.ITHASTHCISOLATEDPOWERREGENEMTIONABILITY姐DREALIZESSMALLSIZEANDLIGHTWEIGHTBECAUSEOFHI曲E歷CIENCY.BYCOMPENSATIILGTHEI印UTCIHTENTWAVEFOMLOFTHETCSTEQUIPMENTUSINGACTIVEFLITCRABILITYOFTHEELEC砸CLOAD,TLLE疵TYPOWERFHCTORANDTHESI衄SOIDALINPUTCURRENTOFTHETO協(xié)LSYSTEMCANBEACHIEVED.ITC蛆SIMILLATEVARIOUSTYPEOFLOADSSUCHASRL,RCORRECTIFIERCIRCUIT,ASAEXPERIMENTALRCSMT,ITISPOSSMLETOOBTAINEXCELLENTSIMULATIONOFLOADSINCLUDINGRADID10ADNUCTLLATIONSANDCNLSHCURRENT.K剛RORDSACROEN西NE,PERF.OHNANCETEST,EKC扛ICLOAD,POWERREGENERATION,SIMULATIONMODEL
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上傳時(shí)間:2024-03-01
頁(yè)數(shù): 65
大?。?2.54(MB)
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簡(jiǎn)介:分類(lèi)號(hào)UDC密級(jí)編號(hào)十I初大學(xué)CENTRALSOUTHUNIVERSITY碩士學(xué)位論文論文題目學(xué)科、專(zhuān)業(yè)研究生姓名導(dǎo)師姓名及專(zhuān)業(yè)技術(shù)職務(wù)盲源分離技術(shù)在航空發(fā)動(dòng)機(jī)故障診斷中的應(yīng)用研究控制科學(xué)與工程謝志明魯五一教授2011年5月原創(chuàng)性聲明LIIIIIIIIIIIILILTIIIIIY1915424本人聲明,所呈交的學(xué)位論文是本人在導(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,除了論文中特別加以標(biāo)注和致謝的地方外,論文中不包括其他人已經(jīng)發(fā)表或撰寫(xiě)過(guò)的研究成果,也不包含為獲得中南大學(xué)或其他單位的學(xué)位或證書(shū)而使用過(guò)的材料。與我共同工作的同志對(duì)本研究所作的貢獻(xiàn)均已在論文中作了明確的說(shuō)明。作者簽名掣日期立生年上月止日學(xué)位論文版權(quán)使用授權(quán)書(shū)本人了解中南大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定,即學(xué)校有權(quán)保留學(xué)位論文并根據(jù)國(guó)家或湖南省有關(guān)部門(mén)規(guī)定送交學(xué)位論文,允許學(xué)位論文被查閱和借閱;學(xué)??梢怨紝W(xué)位論文的全部或部分內(nèi)容,可以采用復(fù)印、縮印或其它手段保存學(xué)位論文。同時(shí)授權(quán)中國(guó)科學(xué)技術(shù)信息研究所將本學(xué)位論文收錄到中國(guó)學(xué)位論文全文數(shù)據(jù)庫(kù),并通過(guò)網(wǎng)絡(luò)向社會(huì)公眾提供信息服務(wù)。、,作者簽名駕絲蹲導(dǎo)師簽名粒日期J止年£月迓日
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頁(yè)數(shù): 76
大?。?2.42(MB)
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