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簡介:首都經(jīng)濟(jì)貿(mào)易大學(xué)碩士學(xué)位論文民用航空器噴漆機(jī)庫防爆區(qū)域劃分的研究姓名李彩彩申請學(xué)位級別碩士專業(yè)安全技術(shù)及工程指導(dǎo)教師鈕英建20070301ABSTRACTTHEMEXISTDIFFERENTKINDSOFCOMBUSTIBLESINTHEPAINTINGHANGAR,WHENMEETINGWITHELECTRIC,BURNINGOREXPLOSIONWILLBECAUSED.THEPAINTANDSOLVENTUSEDFORPAINTINGALECOMBUSTIBLELIQUIDWITHVOLATILITY,WHENTHEIRMIXTUREWITHAIRREACHEXPLOSIONLIMIT,ITISPOSSIBLETOEXPLODEORBUMIFMEETINGWITHELECTRICIGNITER.SOFIREPROOFEXPLOSIONELECTRICFACILITYSHOULDBEUSEDINEXPLOSIONANDFIREHAZARDOUSAREA,INORDERTOUSINGPROPERTYPES,WEMUSTHAVETHEHAZARDOUSAREADIVISION.CONTRASTTOGERMANSTANDARDANDAMERICANSTANDARDABOUTPAINTINGHANGAR,THEREWILLBEOBVIOUSDIFFERENCEWITHREGULATIONSINCCARSTANDARD‘‘PAINTINGHANGARDESIGNRULES“.WENEEDSTUDYTHEDIVISIONOFITSEXPLOSIONPROOFAFEAACCORDINGTOHAZARDRATING,RELATIVEDENSITY,EXPLOSIONLOWERLIMITANDVENTILATINGOFTHEHAZARDARTICLESINPAINTINGHANGARINORDERTOITSUSEFULANDREASONABLE.INTHISARTICLE.FIRSTISTHEINTRODUCTIONABOUTPAINTINGWORK.ITINCLUDESURFACETREATMENT,PAINTINGANDDRYNESS,THENEXTISTHEELECTRICFIREANDEXPLOSIVEHAZARDFACTORANALYSIS.ANDTHENISTHENUMERATIONTOTHEHAZARDRATINGANDVENTILATINGOFTHEHAZARDARTICLESINPAINTINGHANGAR,THELASTISTHESUGGESTONTHEDIVISIONOFPAINTINGHANGAREXPLOSIONPROOFAREA.KEYWORDSAIRCRAFTPAINTINGHANGEREXPLOSIONPROOFAREATHEDIVISIONOFEXPLOSIONPROOFAREA
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上傳時(shí)間:2024-03-01
頁數(shù): 45
大?。?1.11(MB)
子文件數(shù):
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簡介:中國民航大學(xué)碩士學(xué)位論文基于MT的航空維修工程調(diào)查系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)姓名付金華申請學(xué)位級別碩士專業(yè)人機(jī)與環(huán)境工程指導(dǎo)教師孫春林20080328ABSTRACTWITHTHEFASTDEVELOPMENTOFCHINESECIVILAVIATION,HOWTOMAKETHEAIRPLANESANDPARTSMAINTAINAIRWORTHINESS、RELIABILITYANDECONOMYBECOMESMOREANDMOREIMPORTANTINAIRLINEREDUCINGMAINTENANCECOST,IMPROVINGMAINTENANCEQUALITYANDINSURINGAIRPLANECONTINUESAIRWORTHINESSARETHEIRPERSISTENTTARGETRELIABILITYMANAGEMENTISNOTONLYTHEIMPORTANTCONTENTOFAVIATIONMAINTENANCESAFETYMANAGEMENT,BUTALSOANINDISPENSABLEPARTINCONTINUOUSAIRWORTHINESSMAINTENANCEPROGRAMENGINEERINGINVESTIGATIONISALLIMPORTANTPARTINRELIABILITYMANAGEMENT,WHICHAIMISTOFINDOUTTHEROOTCAUSEOFTHEFAULT,ANDTOKEEPTHEALREADYDEGENERMESYSTEMRELIABILITYONACCEPTABLELEVELEVALUATINGAIRPLANESAFETYSTATE,F(xiàn)ORECASTINGSAFETYTREND,F(xiàn)INDINGANDRESOLVINGHIDDENSAFETYTROUBLEHASBECAMEANURGENTQUESTIONBEFORETHEACCIDENTOCCURRESCONSIDERINGTHEPRESENTSAFETYMANAGEMENTACTUALITYOFAVIATIONMAINTENANCECORPORATIONS,CIVILAVIATIONSAFETYMANAGEMENTSYSTEMFROMCONTINUINGANALYSISANDSURVEILLANCESYSTEMCASS,RISKMANAGEMENTANDHUMANFACTORSISSTUDIEDMANAGEMENTOVERSIGHTANDRISKTREEMORTANALYSISMODELANDENGINEERINGINVESTIGATIONMANAGEMENTFLOWARERESEARCHEDANENGINEERINGINVESTIGATIONROOTCAUSEANALYSISKNOWLEDGEDISCOVERYMODELISBUILTWHICHCOMBINEMORTWITHRELIABILITYMANAGEMENTTHEORY,EXPATIATEACCIDENTANALYSISILLATIONPROCESS,PROPOSETHEIDEAOFASSUMEDRISKANDDEVELOPANENGINEERINGINVESTIGATIONSYSTEMBASEDONMORTATLAST,TAKINGEXAMPLEOFTHEWINDSCREENFALLOFFINBAC111AIRCRAFTCLIMBOFBRITISHAIRWAYS,THEROOTCAUSEOFTHEACCIDENTISGAINEDTHROUGHVALIDATINGANDANALYZINGBASEDONTHESYSTEMTHEINSTANCEPROVESTHATTHESYSTEMISFEASIBLEANDVALID,ANDCALLBEAPPLIEDTOAVIATIONMAINTENANCEMANAGEMENTKEYWORDSSAFETYMANAGEMENTOFAVIATIONMAINTENANCE;RELIABILITYMANAGEMENT;ENGINEERINGINVESTIGATION;ROOTCAUSE;MANAGEMENTOVERSIGHTANDRISKTREE
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上傳時(shí)間:2024-03-01
頁數(shù): 96
大小: 5.63(MB)
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簡介:中圖分類號V2313論文編號102870213B012學(xué)科分類號082502博士學(xué)位論文航空發(fā)動(dòng)機(jī)氣動(dòng)穩(wěn)定性分析系統(tǒng)研究研究生姓名趙運(yùn)生學(xué)科、專業(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)總體性能指導(dǎo)教師胡駿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一三年六月NANJINGUNIVERSITYOFAERONAUTICSASTRONAUTICSTHEGRADUATESCHOOLCOLLEGEOFENERGYPOWERENGINEERINGRESEARCHONAERODYNAMICSTABILITYANALYSISSYSTEMFAEROENGINEATHESISINAEROSPACEPROPULSIONTHEYENGINEERINGBYZHAOYUNSHENGADVISEDBYASSOCIATEPROFESSHUJUNSUBMITTEDINPARTIALFULFILLMENTOFTHEREQUIREMENTSFTHEDEGREEOFDOCTOFPHILOSOPHYJUNE2013
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 186
大?。?11.65(MB)
子文件數(shù):
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簡介:電子科技大學(xué)碩士學(xué)位論文航空發(fā)動(dòng)機(jī)測試可視化再現(xiàn)系統(tǒng)的開發(fā)與研究姓名劉德悟申請學(xué)位級別碩士專業(yè)機(jī)械電子工程指導(dǎo)教師李迅波20080501眾轉(zhuǎn)S瞰了RABSTRACTALONGWITHTHEDEVELOPMENTOFOURCOUNTRYAIRCRAFTENGINEGASTURBINEENGINETESTTECHNOLOGYNEEDSTOBESOLVEDURGENTLYINTHETESTTHEMASSIVEDATAISABSTRACTWHICHLACKSTHEREADABILITYTHEREFORE,WENEEDTOCARRYONTHEVISUALIZATIONPROCESSINGOFTHEINFORMATI011THISARTICLEISABOUTTHERESEARCHWHICHBASESONSOMEGASTURBINEENGINERESEARCHINSTITUTESDEMANDTOMAKETHERESEARCHERSUNDERSTANDTHE%GHLETESTPROCESSANDTHERESULTWHICHRELATETOTHERULEANDTHEESSENCEPROFOUNDLYSUCHASTHEGASFLOWRULEANDEACHKINDOFPARAMETERTOPERFORMTHEINFLUENCEOFTHEGASFLOWTHUS,THEMOREEFFECTIVETESTINGMETHODSWILLBEPROPOSED。THETESTVISUALIZATIONSYSTEMMAINLYPROCESSESTHEDATAAFTERTHEEXPERIMENTATIONWHICHREALIZESTHEAIRCRAFTENGINEPHYSICALMODELSTRUCTURECONFIGURATIONSPACEPOSITIONDISTRIBUTIONUSINGSOMEVISUALIZATIONWAYTHEMONITORINGVIDEORECORDINGDATASYNCHRONIZATIONPLAYBACKANDGRAPHICALDISPLAYTHEFLOWSURVEYSECTIONANIMATIONTWODIMENSIONALINFORMATIONTHETESTINGENVIRONMENTTESTFACILITYANDTESTSPLACE,ETCTHEMAINCONTROLPROGRAMISESTABLISHEDTEORGANIZEANDCHOICETHERAWDATAFROMTHEDATABASEWHICHISSENTTOTHEGRAPHICSMODULEANDTHERELATEDCOMMERCIALSOFTWAREACCORDINGTOTHEMISSIONREQUIREMENTTHEVISUALIZATIONSYSTEMMAYSATISFYTHEREQUIREMENTOFTHEENGINEANDTHEEXPERIMENTMODELSTRUCTURETHETESTPARAMETERCONFIGURATIONDATASYNCHRONIZATIONPLAYBACKOFTHEEXPERIMENTDATAFLOWANDTHEVIDEECORDINGTHESYSTE擻DESKSTUDIESPRELIMINARYMODELOFMULTIPLATFORMMUTUALCOOPERATIONUSINGTHEOBJECTORIENTEDMETHODKEYWORDSGASTURBINEENGINETESTVISUALIZATIONS,MODULEDESIGN,PARAMETERCONFIGURATION111
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上傳時(shí)間:2024-03-01
頁數(shù): 73
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簡介:分類號密級UDC編號工學(xué)碩士學(xué)位論文航空燃?xì)鉁u輪發(fā)動(dòng)機(jī)葉片疲勞分析碩士研究生張海瓊指導(dǎo)教師宋海燕副教授學(xué)科、專業(yè)飛行器設(shè)計(jì)論文主審人蓋京波副教授哈爾濱工程大學(xué)2013年12月分類號密級UDC編號工學(xué)碩士學(xué)位論文航空燃?xì)鉁u輪發(fā)動(dòng)機(jī)葉片疲勞分析碩士研究生碩士研究生張海瓊指導(dǎo)教師指導(dǎo)教師宋海燕副教授學(xué)位級別學(xué)位級別工學(xué)碩士學(xué)科、專業(yè)學(xué)科、專業(yè)飛行器設(shè)計(jì)所在單位所在單位航空與建筑學(xué)院論文提交日期論文提交日期2013年12月論文答辯日期論文答辯日期2014年03月學(xué)位授予單位學(xué)位授予單位哈爾濱工程大學(xué)
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上傳時(shí)間:2024-03-01
頁數(shù): 73
大?。?4.32(MB)
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簡介:自‰Y4JK一面醬宦予辯被蟲罄碩士學(xué)位論文題女目作者姓名學(xué)科門類提交論文日期航空全雙工以太網(wǎng)交換機(jī)若干關(guān)鍵技術(shù)研究與實(shí)現(xiàn)STUDYANDREALIZATIONOFSOMEKEYTECHNOLOGIESONAFDXSWITCH王斌文指導(dǎo)教師姓名、職務(wù)邱智亮教授工學(xué)學(xué)科、專業(yè)通信與信息系統(tǒng)二OO八年一月ABSTRACTBECAUSEOFTHESOLIDNETWORKFOUNDATIONANDTHELONGTERMACCUMULATIONOFTHEETHEMETRESEARCHEXPERIENCE,NOWADAYS,ETHEMETHASBECOMETHEMOSTPOPULARNETWORKINGPROTOCOLUSEDINLANSFORTHESPECIALDEMANDOFINDUSTRIALCONTROLLERSYSTEM,SUCHASONSITEENVIRONMENT,TOPOLOGYANDRELIABILITYWEMUSTMAKESOMEADJUSTMENTANDSUPPLEMENTONTHESTANDARDIEEE8023ETHERNETPROTOCOLTOENSUREITSRELIABILITYWHENUSEDINTHEAPPLICATIONSOFINDUSTRIALFIELD,THATISTHEOFTENSAYINGCALLEDINDUSTRIALETHERNETNOWADAYS,INTHEFIELDOFCOMMUNICATINGCONTROLLERNETWORK,THESOLUTIONSOFINDUSTRIALETHEMETHAVEBEENWIDELYRECOGNIZEDANDACCEPTEDHOWEVERITISUNDENIABLETHATWHENREFERRINGTOTHELOWESTLEVELOFFIELDWORKCONTROLLINGSYSTEMS,THISINDUSTRIALETHEMETTECHNOLOGYENCOUNTERSSOMEBLANKWALLSTHEPROBLEMSOFREALTIMEANDDETERMINISTICASANEWGENERATIONOFAIRCRAFTDATANETWORKADNSTANDARDS,ARINC664DEFINESANAVIONICSORIENTEDSCHEMETOAPPLYREALTIMEETHERNETWITHDETERMINISTICQUALITYOFSERVICEGUARANTEETHISSOLUTIONHASPASSEDAIRLINEELECTRONICENGINEERINGCOMMISSION’SDELIBERATIONANDHASAPROSPECTIVEDEVELOPMENTFUTUREANDGREATAPPLICATIONSPACEBOTHBOEINGANDAIRBUSHAVEEXPLOREDTHECOMMERCIALETHERNETTECHNOLOGYTOPUTITINTOUSEANDHAVEALREADYDEVELOPEDMATUREPRODUCTSFORTHEWESTERNCOUNTRIES’RESTRICTIONONHIGHTECHPRODUCTSTOCHINA,OURCOUNTRYHASNOTYETPROPOSEDAMATUREADNSOLUTIONPLANATPRESENTASTHESTARTUPOFTHE‘‘LARGEAIRCRAFT’’PROJECT,THEDEVELOPMENTOFCHINA’SAVIATIONINDUSTRYSTEPSINTOAFLOURISHINGPERIOD,INWHICHTODESIGNANEWGENERATIONADNEQUIPMENTWITHCHINA’SOWNINTELLECTUALPROPERTYRIGHTISASUREFOOTEDANDURGENTTASKWITHREFERENCETOTHERESEARCHPROJECT“DESIGNOFTHEAVIONICSFULLDUPLEXSWITCHEDETHERNETAFDXSWITCH”,WHICHOURLABORATORYISINCHARGEOFTHATISTODESIGNANDREALIZEANAFDXSWITCHANDSWITCHINGCORECHIPINACCORDANCEWITHTHEDEFINITIONOFPART7OFARINC664STANDARDSCALLED‘‘AIRCRAFTDATANETWORKPART7AVIONICSFULLDUPLEXSWITCHEDETHEMETAFDXNETWORK”THEAFDXSWITCHSHOULDHASTHEABILITYTOSUPPORTSIXTEEN100MBPSETHERNETPHYSICALPORTSTOREALIZEAFULLDUPLEXANDNONBLOCKINGPACKETSSWITCHINGINTHISDISSERTATION,F(xiàn)OURPARTSONTHESWITCHINGCOREARESTUDIED,INCLUDINGMEMORYANDQUEUEMANAGEMENTMODULE,SWITCHINGDATABUSMODULE,CAPTUREPORTMODULEANDTHESIMULATIONANDPERFORMANCEANALYSISOFTHEWHOLEAFDXNETWORKTHEMEMORYANDQUEUEMANAGEMENTMODULEPRESENTSAMETHODTOMANAGETHEPHYSICALMEMORYASSOMEQUEUELISTSFORAPACKET
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上傳時(shí)間:2024-03-01
頁數(shù): 70
大?。?7.11(MB)
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簡介:電子科技大學(xué)碩士學(xué)位論文某型航空電子設(shè)備及安裝架動(dòng)力學(xué)分析姓名陳施能申請學(xué)位級別碩士專業(yè)機(jī)械電子工程指導(dǎo)教師徐利梅20070101ABSTRACTABSTRACT處RBOMEELECTRONICEQUIPMENTSARETHEIMPORTANTPARTSOFTHEAIRCRAFTSYSTEM.THOSEEQUIPMENTSAREWORKEDINVIBRATIONANDIMPACTCONDITION.ACCORDINGTOAMERICANMILITARYSTATISTIC,VIBRATIONEFFECTISABOUT27%INRESULTINGFAILUREOFELECTRONICEQUIPMENTS.INORDERTOENHANCETHEAIRBORNEELECTRONICS’RELIABILITY,THECOMPREHENSIVEDYNAMICANALYSISOFTHEMISNECESSARY.THISTHESISTAKESONETYPEOFAIRBOMEELECTRONICEQUIPMENTASANEXAMPLE,DYNAMICANALYSISAREIMPLEMENTEDBASEDONFINITEELEMENTMETHOD.FIRSTLY,THEFINITEELEMENTMODELOFTHEAIRBOMEELECTRONICEQUIPMENTSWASESTABLISHED.THESTRUCTUREOFTHEAIRBORUEELECTRONICARESOPHISTICATED.THEYNOTONLYHAVEFRAMESTRUCTUREBUTALSOPRINTEDCIRCUITBOARD.FURTHERMORE,THETYPEOFCOMPONENTSISMULTITUDINOUSANDDISTRIBUTEDSITUATIONISCOMPLEX.THISTHESISANALYZESTHEKEYSTEPSINTHEFINITEELEMENTMODELINGPROCESS,ANDSTUDIESTHEMODELINGMETHODFORAIRBOMEELECTRONICEQUIPMENTS.FORTHEMODULELEVEL,DETAILMODELINGANDOBMMASSSMEARINGMETHODSAREUSEDTOESTABLISHFINITEELEMENTMODEL.FORMODELINGTHEFINITEELEMENTMODELOFEQUIPMENTLEVEL,GLOBALMASSSMEARINGMETHODISUSED.THEDYNAMICMODALANALYSISWASDONEBASEDONTHEFINITEELEMENTMETHOD.THENATUREDFREQUENCYANDMODESHAPEOFTHEEQUIPMENTASWELLASITSMODULEWEREOBTAINED.COMPAREDWITHTHATOFTHEEXPERIMENTTESTINGRESULT,THEFINITEDEMENTMODELSWEREMODIFIEDUNTILTHEYMATCHWITHTHATOFTHEEXPERIMENTEDTESTINGRESULT.FOLLOWEDBYTHEABOVEQUALIFIEDFINITEELEMENTMODELS,THERANDOMVIBRATIONANALYSISANDTRANSIENTANALYSISWEREDEALWITH.THEOBTAINEDINCLUDETHEACCELERATIONPOWERSPECTRALDENSITYOFSOMEKEYPOSITIONOFTHEELECTRONICEQUIPMENT,DISPLACEMENTNEPHOGRAM,ANDACCELERATIONRESPONSEOFSOMESENSITIVEANDCRITICALCOMPONENTS.THEDYNAMICCHARACTERISTICOFTHEAIRBORNEELECTRONICEQUIPMENTWASOBTAINED.THEBRACKETWHOSEFUNCTIONISFIXTUREANDSUPPORTISTHEINTERFACEBETWEENTHEELECTRONICSEQUIPMENTSANDAIRCRAFT.ACCORDINGTOTHECURRENTDESIGNDIMENSION,THEBRACKETISMODELEDBYFMITEELEMENTSOFTWARE,WHICHISVERIFICATIONBYTESTDATA.THEN,MODALANALYSISANDRANDOMVIBRATIONANALYSISARECARDEDOUT.ATLAST,THESHAPEANDⅡ
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 69
大小: 5.5(MB)
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簡介:中圖分類號V2337論文編號102870215S115學(xué)科分類號082502碩士學(xué)位論文航空發(fā)動(dòng)機(jī)分布式控制時(shí)延系統(tǒng)穩(wěn)定性及魯棒控制方法研究研究生姓名高大偉學(xué)科、專業(yè)航空宇航推進(jìn)理論與工程研究方向系統(tǒng)控制與仿真指導(dǎo)教師潘慕絢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一四年十二月NANJINGUNIVERSITYOFAERONAUTICSASTRONAUTICSTHEGRADUATESCHOOLCOLLEGEOFENERGYPOWERENGINEERINGRESEARCHONTHESTABILITYROBUSTCONTROLMETHODOFDISTRIBUTEDTIMEDELAYSYSTEMOFAEROENGINEATHESISINAEROSPACEPROPULSIONTHEYENGINEERINGBYGAODAWEIADVISEDBYASSOCIATEPROFESSPANMUXUANSUBMITTEDINPARTIALFULFILLMENTOFTHEREQUIREMENTSFTHEDEGREEOFMASTEROFENGINEERINGDECEMBER2014
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 78
大?。?3.12(MB)
子文件數(shù):
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簡介:中國民航大學(xué)碩士學(xué)位論文機(jī)場航空噪聲影響評價(jià)及計(jì)算方法研究姓名馬騰飛申請學(xué)位級別碩士專業(yè)交通運(yùn)輸規(guī)劃與管理指導(dǎo)教師王維20070301中國民航大學(xué)碩士學(xué)位論文ABSTRACTAIRER硪NOISEPOLLUTIONISTHEMOSTSERIOUSPROBLEMCAU剛BYAIRPORTOPERATION。ATPRESENTCOMPATIBILITYPLANNINGOFLANDINTHEVICINITYOFAIRPORTISMOSTEFFECTIVECOUNCC鋤∞EAS腳心AGAINSTAIRPORTNOISETHISPAPERISINTENDEDTOEXAMINEINDEPTHCOMPATIBILITYPLANMNGTHEORYANDPR婦FORAIRPORTACOUSTICALENVIRONMENTAIRCRAFTNOISEANDITSCHARACTERISTICS,THEDOMESTICSITUATIONOFAIRPORTNOISEPOLLUTIONTHEDEVELOPMENTOFAIRPORTNOISEIMPACTEVALUATIONATHOMEANDABROEDANDTHEAIRPORTNOISEMETRICSUSEDAREALLDISCUSSEDINDETAILANDDC印LYTHEPAPERCONCENXATEDONSTUDYINGTHEPRINCIPLE,METHODOLOGYOFAIRPORTNOISECALCULATIONANDNOISECONTOURSCONSTRUCTIONTHENOISEMODELFORVARIOUSAIRCRAFTOPERATIONSTAGESANDCALCULATIONMETHODSFORCOMPUTINGL秘KEFFECTIVEPERCEIVEDNOISELEVELINVARIOUSCONDITIONSA把ALSOPRESENTED,SOMEKEYFACTORSTHATAFFECTAIRPORTNOISEIMPACTSUCHASMETEOROLOGICALPARAMETERSWINDSPCCD,AIRPORTTERRAIN’AIRCRAFTENGINETHRUSTTAKEOFFRUNINITIALCLIMBOUTAPPROACHANDLANDINGANDFLAPOPERATION戤ALLANALYZEDINDETAIL1HEPROCEDURESOFNOISECONTOURSCONSTRUCTIONFORSINGLEAIGHTEVENTANDMULTIPLEFLIGHTEVEN【SAREDESCRIBEDAMPLYACCORDINGTOTHEENVIRONMENTALSPECIFICATIONFORAIRCRAFTNOISE加THEVICIN渺OFAIRPORTANDUSINGLWECPNWEIGHTEDEQUIVALENTCONTINUALPERCEIVEDNOISELEVELASDESCRIPTORANDAIDEDBYINMINTEGRATEDNOISEMODELOFFEDERALAVIATIONADMINISTRATIONOFUSATHEPAPERSTUDIEDTHOROUE出TYTHERELATIONSHIPSBETWEENTHEAIRPORTNOISEINTENSITYDISTRIBUTIONPATTERNANDCOVERAGEANDFAC舾RSUCHASTHEAIRCRAFTMIX,AIRCRAFTOPERATIONS,LANDINGANDTAKEOFFDIRCCTION,F(xiàn)LIGHTSCHEDULEANDOPERATIONPROCEDURESTHEJOBSABOVEMENTIONEDESTABLISHEDTHESOLIDBASISFORAIRPORTAVIATIONNOISEEVALUATIONANDPREDICTIONKEYWORDSAIRPORTAIRCRAFTNOISE,EVALUATIONCALCULATIONⅡ
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 61
大?。?1.69(MB)
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簡介:西北工業(yè)大學(xué)碩士學(xué)位論文航空電子綜合化仿真系統(tǒng)的可信度研究姓名王振芳申請學(xué)位級別碩士專業(yè)系統(tǒng)工程指導(dǎo)教師吳勇20070301西北工業(yè)大學(xué)碩士學(xué)位論文ABSTTACTABSTRACTTHESIMULATIONTECHNOLOGYISALLIMPORTANTBRANCHOFMODELSCIENCEANDTECHNOLOGY.BECAUSEOFTHEADVANTAGEINSUCHRESPECTSASITSSECURITY,DEPENDABILITY,EFFECTIVENESS,ECONOMYMADCONTROLLABILITYREPEATABILITY,ETC,THISTECHNOLOGYHAVEALREADYAPPLIEDTOTHECOURSEOFGRINDING,DEVELOPING,TESTINGETC.THESIMULATIONTECHNOLOGYHASIMPORTANTFUNCTIONTOTHEDEFENSEINDUSTRYPARTICULARLY.WECANSAVETHEEXPENSESONTHEPRODUCTSGREATLYINTHECOURSERESEARCHING;ANDWECANSHORTENTHECYCLEOFDEVELOPING.WITLLTHEDEVELOPMENTOFTHESIMULATIONTECHNOLOGY.PEOPLEPAYATTENTIONTOTHECREDIBILITYOFSYSTEMSIMULATIONMOREANDMORE.INOTHERWORDCOULDTHESIMULATIONSYSTEMREFLECTTHEPERFORMANCEOFARTIFICIALSYSTEMANDCOULDTHERESULTBEACCEPTEDBYUSERATPRESENT,MOSTOFTHESIMULATIONCREDIBILITYRESEARCHISARMEDATDETAILEDSIMULATIONSYSTEM,LIRLEWORKHASDONEINTHEINTEGRATEDAVIONICSSYSTEM,THISTEXTRESEARCHEDTHEINTEGRATEDAVIONICSSYSTEMWHICHHAS“1553B”ASITSTRANSLATIONBUS,APPLIEDVVAINITANDBUILTTHECREDIBILITYMODEM.ANDUSESIMULATIONTHEORYTORESEARCHTHECREDIBILITYOFTHESUBSYSTEM,ANDWEPUTTHEFUZZYJUDGMENTMETHODTOJUDGETHECREDIBILITYOFTHEWHOLESYSTEM.FINALLY,WERESEARCHEDTHECLUSTERPROBLEMANDPUTFORWARDANEWMETHOD.KEYWORDSTHECREDIBILITYOFSYSTEMSIMULATION,VVA,INTEGRATEDAVIONICSSYSTEM,THEANALYTICHIERARCHYPROCESS,THESIMULATIONTHEORY,AHPFUZZYMETHOD.【I
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 61
大?。?1.48(MB)
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簡介:中國民航大學(xué)碩士學(xué)位論文航空公司安全文化研究姓名李楠申請學(xué)位級別碩士專業(yè)安全技術(shù)及工程指導(dǎo)教師王永剛20080408巾國民航人學(xué)碩十學(xué)位論文ABSTRACTAIRLINESISATRANSPORTATIONOFHIGHTECHNOLOGYHIGHINVESTMENTHIGHRISKTHESAFETYCULTURECONSTRUCTIONINTHEAIRLINESISAVITAIBASISTOENSURETHESAFETYOFAVIATIONATPRESENT,MOSTAIRLINESDONOTDOTHETHOROUGHRESEARCHREFERRINGTOTHESAFETYCULTUREANDTHEYALWAYSPAYATTENTIONTOTHEAPPEARANCEOFTHESAFETYCULTUREIGNORINGTHEPRACTICALSIGNIFICATIONONTHEOTHERHAND,THERESEARCHESSTUDIEDBYTHESCHOLARSALWAYSEMPHASIZEONTHEEVALUATIONOFTHESAFETYCULTURETHEREFORETHESTUDYOFSAFETYCULTUREINAIRLINESISSELECTEDASTHETOPICOFTHETHESISTHEMODELOFTHESAFETYCULTUREINAIRLINESISESTABLISHEDANDTESTEDINADOMESTICAIRLINEONTHEBASISOFTHESTRUCTUREDSAFETYCULTUREMODELANDTHERECIPROCALSAFETYCUITUREMODELCOMBININGWITHTHESTRUCTUREOFTHEAIRLINES,THEMODELOFTHESAFETYCULTUREISESTABLISHEDACCORDINGTOTHEREQUIREMENTSRELATEMTOTHESAFETYCULTUREPUTFORWARDBYICA0ANDTHENINEELEMENTSOFSMSTENCORRESPONDINGMEASUREMENTSOFTHEMODELISCOMPLETEDTHEREFORE,THEMODELOFTHESAFETYCULTUREINANAIRLINEISDECOMPOSEDASTHREEDIMENSIONSPERSON,ORGANIZATIONANDPERFORMANCEANDWITHTENCORRESPONDINGINFLUENCEFACTORSTHEMODELISTESTEDINTHEDOMESTICAIRLINEONTHEBASISOFTHEMODELTWOTYPESOFTHEQUESTIONNAIRESREGARDINGTOTHEMANAGEMENTANDSTAFFLEVELAREMADEUPANALYSISOFTHEFINDINGSOFTHEQUESTIONNAIRESSHOWSTHATITSTILLHAVEMAJORPROBLEMSWITHTHEFACTORSOFSAFETYTRAINING,SAFETYCOMMISSIONANDSAFETYREGULATIONSINTHEAIRLINETHEREASONSAREFOUNDACCORDINGTOTHEWEAKNESSOFTHEAIRLINESANDTHECONSTRUCTIONSOFSEVENSUBSYSTEMSINTHEAIRLINESALESUGGESTEDKEYWORDSAIRLINES,SAFETYCULTURE,SAFETYCULTUREMODEL,SAFETYCULTUREINFLUENCEFACTORU
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 69
大?。?3.39(MB)
子文件數(shù):
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簡介:航空發(fā)動(dòng)機(jī)矢量噴管六分量測力系統(tǒng)研制重慶大學(xué)碩士學(xué)位論文學(xué)生姓名湛華海指導(dǎo)教師孫曉松副教授專業(yè)機(jī)械電子工程學(xué)科門類工學(xué)重慶大學(xué)機(jī)械工程學(xué)院二OO八年四月DEVELOPMENTONSIXCOMPONENTBALANCESYSTEMFMEASURINGPLANEENGINEVECTNOZZLEATHESISSUBMITTEDTOCHONGQINGUNIVERSITYINPARTIALFULFILLMENTOFTHEREQUIREMENTFTHEDEGREEOFMASTEROFENGINEERINGBYZHANHUAHAISUPERVISSUNXIAOSONGMAJMECHANICALELECTRONICENGINEERINGCOLLEGEOFMECHANICALENGINEERINGOFCHONGQINGUNIVERSITYCHONGQINGCHINAAPRIL2008
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 102
大?。?4.19(MB)
子文件數(shù):
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簡介:中國民航大學(xué)碩士學(xué)位論文航空發(fā)動(dòng)機(jī)風(fēng)扇葉片模態(tài)分析及其在結(jié)構(gòu)損傷檢測中的應(yīng)用姓名何亮申請學(xué)位級別碩士專業(yè)航空宇航推進(jìn)理論與工程指導(dǎo)教師李書明20070106中國民航大學(xué)碩十學(xué)位論文ABSTRACTRESEARCHONTHESTRUCTUREDAMAGEDETECTIONOFAEROENGINEFANBLADESHASGREATSIGNIFICANCEBECAUSETHEMINUTEFATIGUECRACKSGENERALLYRESULTINTHEMALFUNCTIONSOFENGINECOMPONENTSWHENTHECRACKSEXPANDRAPIDLYUNDERTHECIRCUMSTANCEOFNOTBEINGDETECTED,THEWHOLESTRUCTURESOFFANBLADESCOULDBEDEVASTATEDCOMPLETELYANDSEVERESAFETYACCIDENTSCOULDBEINDUCEDTHEDISSERTATIONDEMONSTRATESDEVELOPMENTOFSTRUETUREDAMAGEDETECTIONBASEDONTHEVIBRATIONCHARACTERISTICSOFCOMPONENTSANDTHEAPPLICATIONOFARTIFICIALNEURALNETWORKINSTRUCTUREDAMAGEIDENTIFICATIONEXPERIMENTALMODALANALYSIS,F(xiàn)INITEELEMENTMETHODFEMANDARTIFICIALNEURALNETWORKAREALSOADOPTEDCOMPREHENSIVELYINTHEDISCOURSEANDTHEPANELMODELSOFFANBLADESINMULTIFARIOUSDAMAGECONDITIONSARECONSTRUCTEDACCORDINGLYNLEMODALPARAMETERSSUCHASTHENATURALFREQUENCYANDMODESHAPECANBECALCULATEDSUBSEQUENTLYANDTHENINFLUENCEOFPOSITIONSANDSEVERITIESOFCRACKSINTHETWOPARAMETERSAREPROBEDINTOWHENTHEYAREVARIEDTHEBPNEURALNETWORKMODELSWHICHUTILIZEDINTHEDETECTIONOFSTNLCTIL|屯DAMAGEPOSITIONSANDSEVERITIESOFFANBLADESCANBEESTABLISHEDBYREGARDINGTHERELATIVERATIOOFTHEFIRSTORDERMODESHAPEANDTHESQUAREOFNATURALFREQUENCYCHANGEASTHEINDICATORSMEANWHILEAFRESHSTANDPOINTPRESENTEDINDISSERTATIONISTHATTHECALCULATIONDATAVIAFEMISREGARDEDASLEARNINGSAMPLESOFBPNEURALNETWORKANDTRAINEDACCORDINGTOTHECOMPARISONOFTHECALCULATIONBYEMPLOYINGTHEEXPERIMENTALMODALANALYSISANDFEMINALLUSIONTOFOURFULLYDIFFERENTKINDSOFDAMAGEMODELSOFTHEPANELCONSTRUES,THEVERACIVYANDFEASIBILITYOFMEASUREMENTIONEDABOVECANBEVALIDATEDTESOLVETHEDEFICIENCYOFMALFUNCTIONSAMPLESINROUTINEMAINTENANCEPRACTICETHENEURAINETWORKMODELSWHICHOUTPUTSCANMEETTHEPRECISIONASEXPECTEDACTUALLYCANBEADOPTEDTOIDENTIFYPOSITIONSANDEXTENTSOFCRACKSROOTEDOUTINCOMPONENTSLIKEFANBLADESTHEDISSERTATIONHASTHEORETICALLYSIGNIFICANCEANDCANBETAKENASAREFERENCEINTHEFIELDSOFFORDAMAGEDETECTIONOFOTHERCOMPONENTS,CONSTRUCTIONREMODIFICATIONANDOPTIMIZATIONDESIGNKEYWORDSAEROENGINE;DAMAGEDETECTION;MODALANALYSIS;FEM;BPNEURALNETWORKⅡ
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 71
大?。?1.84(MB)
子文件數(shù):
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簡介:研究生畢業(yè)論文(全日制學(xué)術(shù)型碩士申請學(xué)位全日制學(xué)術(shù)型碩士申請學(xué)位)論文題目論文題目IMUDGPS輔助航空攝影測量中的航線設(shè)計(jì)研究學(xué)位申請人學(xué)位申請人秦先兵專業(yè)名稱地圖學(xué)與地理信息系統(tǒng)研究方向3S理論技術(shù)與應(yīng)用指導(dǎo)教師臧德彥教授20132013年66月1818日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,除了文中特別加以標(biāo)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,也不包含本人為獲得大學(xué)或其它教育機(jī)構(gòu)的學(xué)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(xiàn)均已在論文中作了明確的說明并表示感謝。作者簽名日期年月日關(guān)于論文使用授權(quán)的關(guān)于論文使用授權(quán)的說明說明本學(xué)位論文作者完全了解大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定大學(xué)有權(quán)保留并向國家有關(guān)部門或機(jī)構(gòu)送交論文的復(fù)印件和磁盤,允許論文被查閱和借閱,可以將學(xué)位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫進(jìn)行檢索,可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文,并且本人電子文檔的內(nèi)容和紙質(zhì)論文的內(nèi)容相一致。保密的學(xué)位論文在解密后也遵守此規(guī)定。作者簽名導(dǎo)師簽名日期年月日論文答辯日期論文答辯日期年月日
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 61
大?。?2.79(MB)
子文件數(shù):
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簡介:南京航空航天大學(xué)碩士學(xué)位論文基于XRF技術(shù)的航空發(fā)動(dòng)機(jī)油液在線監(jiān)測系統(tǒng)研究姓名陸亦彬申請學(xué)位級別碩士專業(yè)載運(yùn)工具運(yùn)用工程指導(dǎo)教師李艷軍20080101基于XRF技術(shù)的航空發(fā)動(dòng)機(jī)油液在線監(jiān)測系統(tǒng)研究IIABSTRACTTHESTRUCTUREOFAEROENGINEISVERYCOMPLICATEDITWILLBEPRONETOALLKINDSOFMECHANICALFAILUREWHENITWKSINHARSHENVIRONMENTASTHE“HEART”O(jiān)FANAIRCRAFTITSRUNNINGSTATUSWILLDIRECTLYAFFECTTHEFLIGHTPUNCTUALITYSAFETYTHEREFETHECONDITIONMONITINGFAULTDIAGNOSISOFAEROENGINESBECOMESAVERYPREVALENTPARTOFSCIENCEOILANALYSISISALSOONEOFTHECOMMONENGINECONDITIONMONITINGMETHODSITISMEADVANCEDMERELIABLETHEXRFMETHODISONEOFTHEDEVELOPMENTTRENDSOFTHEFUTUREITISALSOANIMPTANTPARTOFTHEOILANALYSISTHEXRFANALYSISMETHODUSESTHEΓRAYCOMINGFROMRADIOACTIVEISOTOPETORADIATETHESAMPLEOILTHATCAUSESTHESAMPLETOEMITTHEXRAYFLUESCENCETHENTHEINTENSITYOFTHEXRAYFLUESCENCEISMESUREDSOTHECONTENTOFTHEELEMENTINTHESAMPLECANBEFIGUREDOUTFIRSTLYTHECONVENTIONALRECENTLYTECHNOLOGYOFOILANALYSISOFAEROENGINEISSTUDIEDINTHISPAPERTHENTHEDEVELOPMENTTRENDOFTHISTECHNOLOGYISFECASTEDSECONDLYTHEBASICPRINCIPLEOFXRFTECHNOLOGYISINTRODUCEDINDETAILTHENTHEAEROENGINEOILINLINEMONITINGSYSTEMBASEDONXRFTECHNOLOGYISESTABLISHEDNEXTSOMELUBRICATINGOILISANALYSEDBYTRADITIONALMETALLOGRAPHICMICROSCOPENEWXRFTECHNOLOGYITSENERGYSPECTRUMWITHFAILUREINFMATIONISGOTITWASCOMPAREDWITHDINARILYOILTHENTHETHRESHOLDISESTABLISHEDBYTHECOMPARISONSOTHETHRESHOLDCANBEUSEDTODISTINGUISHBETWEENFAILURESTATUSNMALSTATUSFINALLYASUITOFAPPLIEDAEROENGINEINTELLIGENTDIAGNOSISSYSTEMBASEDONELEMENTARYANALYSISISDESIGNEDINTHISPAPERXRFTECHNOLOGYISUSUALLYUSEDINDETECTINGSOLIDPOWDERITISANEWATTEMPTTHATTHEXRFTECHNOLOGYISPUTINTOTHEOILANALYSISAREAINTHISPAPERITISPOSSIBLETHATXRFTECHNOLOGYCANBEUSEDINAREOENGINEOILONLINEMONITINGBECAUSEOFTHERADIOACTIVEISOTOPETHE“AEROENGINEOILINLINEMONITINGSYSTEMBASEDONXRFTECHNOLOGY”STUDIEDINTHISPAPERCANBEUSEDTOPREDICTTHEFAILUREOFTHEAEROENGINEAHEADINCREASETHERELIABILITYEXTENDTHEUSINGLIFESPANREDUCETHELIFECYCLECOSTOFEQUIPMENTSWHILETHOSEOFFLINEDETECTINGMETHODSCAN’TWELLREACHTHESEADVANTAGESTHEREFETHISTECHNOLOGYHASABROADAPPLICATIONPROSPECTSCANBRINGENMOUSECONOMICALSOCIALBENEFITKEYWDSAEROENGINEOILANALYSISCONDITIONMONITINGFAULTDIAGNOSIS,SENS,XRFENERGYSPECTRUM
下載積分: 5 賞幣
上傳時(shí)間:2024-03-01
頁數(shù): 85
大?。?4.51(MB)
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