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簡介:首都經(jīng)濟貿(mào)易大學碩士學位論文民用航空器噴漆機庫防爆區(qū)域劃分的研究姓名李彩彩申請學位級別碩士專業(yè)安全技術及工程指導教師鈕英建20070301ABSTRACTTHEMEXISTDIFFERENTKINDSOFCOMBUSTIBLESINTHEPAINTINGHANGAR,WHENMEETINGWITHELECTRIC,BURNINGOREXPLOSIONWILLBECAUSED.THEPAINTANDSOLVENTUSEDFORPAINTINGALECOMBUSTIBLELIQUIDWITHVOLATILITY,WHENTHEIRMIXTUREWITHAIRREACHEXPLOSIONLIMIT,ITISPOSSIBLETOEXPLODEORBUMIFMEETINGWITHELECTRICIGNITER.SOFIREPROOFEXPLOSIONELECTRICFACILITYSHOULDBEUSEDINEXPLOSIONANDFIREHAZARDOUSAREA,INORDERTOUSINGPROPERTYPES,WEMUSTHAVETHEHAZARDOUSAREADIVISION.CONTRASTTOGERMANSTANDARDANDAMERICANSTANDARDABOUTPAINTINGHANGAR,THEREWILLBEOBVIOUSDIFFERENCEWITHREGULATIONSINCCARSTANDARD‘‘PAINTINGHANGARDESIGNRULES“.WENEEDSTUDYTHEDIVISIONOFITSEXPLOSIONPROOFAFEAACCORDINGTOHAZARDRATING,RELATIVEDENSITY,EXPLOSIONLOWERLIMITANDVENTILATINGOFTHEHAZARDARTICLESINPAINTINGHANGARINORDERTOITSUSEFULANDREASONABLE.INTHISARTICLE.FIRSTISTHEINTRODUCTIONABOUTPAINTINGWORK.ITINCLUDESURFACETREATMENT,PAINTINGANDDRYNESS,THENEXTISTHEELECTRICFIREANDEXPLOSIVEHAZARDFACTORANALYSIS.ANDTHENISTHENUMERATIONTOTHEHAZARDRATINGANDVENTILATINGOFTHEHAZARDARTICLESINPAINTINGHANGAR,THELASTISTHESUGGESTONTHEDIVISIONOFPAINTINGHANGAREXPLOSIONPROOFAREA.KEYWORDSAIRCRAFTPAINTINGHANGEREXPLOSIONPROOFAREATHEDIVISIONOFEXPLOSIONPROOFAREA
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 45
大?。?1.11(MB)
子文件數(shù):
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簡介:中國民航大學碩士學位論文基于MT的航空維修工程調(diào)查系統(tǒng)的設計與實現(xiàn)姓名付金華申請學位級別碩士專業(yè)人機與環(huán)境工程指導教師孫春林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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上傳時間:2024-03-01
頁數(shù): 96
大?。?5.63(MB)
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簡介:中圖分類號V2313論文編號102870213B012學科分類號082502博士學位論文航空發(fā)動機氣動穩(wěn)定性分析系統(tǒng)研究研究生姓名趙運生學科、專業(yè)航空宇航推進理論與工程研究方向航空發(fā)動機總體性能指導教師胡駿教授南京航空航天大學研究生院能源與動力學院二О一三年六月NANJINGUNIVERSITYOFAERONAUTICSASTRONAUTICSTHEGRADUATESCHOOLCOLLEGEOFENERGYPOWERENGINEERINGRESEARCHONAERODYNAMICSTABILITYANALYSISSYSTEMFAEROENGINEATHESISINAEROSPACEPROPULSIONTHEYENGINEERINGBYZHAOYUNSHENGADVISEDBYASSOCIATEPROFESSHUJUNSUBMITTEDINPARTIALFULFILLMENTOFTHEREQUIREMENTSFTHEDEGREEOFDOCTOFPHILOSOPHYJUNE2013
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 186
大小: 11.65(MB)
子文件數(shù):
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簡介:電子科技大學碩士學位論文航空發(fā)動機測試可視化再現(xiàn)系統(tǒng)的開發(fā)與研究姓名劉德悟申請學位級別碩士專業(yè)機械電子工程指導教師李迅波20080501眾轉(zhuǎn)S瞰了RABSTRACTALONGWITHTHEDEVELOPMENTOFOURCOUNTRYAIRCRAFTENGINEGASTURBINEENGINETESTTECHNOLOGYNEEDSTOBESOLVEDURGENTLYINTHETESTTHEMASSIVEDATAISABSTRACTWHICHLACKSTHEREADABILITYTHEREFORE,WENEEDTOCARRYONTHEVISUALIZATIONPROCESSINGOFTHEINFORMATI011THISARTICLEISABOUTTHERESEARCHWHICHBASESONSOMEGASTURBINEENGINERESEARCHINSTITUTESDEMANDTOMAKETHERESEARCHERSUNDERSTANDTHE%GHLETESTPROCESSANDTHERESULTWHICHRELATETOTHERULEANDTHEESSENCEPROFOUNDLYSUCHASTHEGASFLOWRULEANDEACHKINDOFPARAMETERTOPERFORMTHEINFLUENCEOFTHEGASFLOWTHUS,THEMOREEFFECTIVETESTINGMETHODSWILLBEPROPOSED。THETESTVISUALIZATIONSYSTEMMAINLYPROCESSESTHEDATAAFTERTHEEXPERIMENTATIONWHICHREALIZESTHEAIRCRAFTENGINEPHYSICALMODELSTRUCTURECONFIGURATIONSPACEPOSITIONDISTRIBUTIONUSINGSOMEVISUALIZATIONWAYTHEMONITORINGVIDEORECORDINGDATASYNCHRONIZATIONPLAYBACKANDGRAPHICALDISPLAYTHEFLOWSURVEYSECTIONANIMATIONTWODIMENSIONALINFORMATIONTHETESTINGENVIRONMENTTESTFACILITYANDTESTSPLACE,ETCTHEMAINCONTROLPROGRAMISESTABLISHEDTEORGANIZEANDCHOICETHERAWDATAFROMTHEDATABASEWHICHISSENTTOTHEGRAPHICSMODULEANDTHERELATEDCOMMERCIALSOFTWAREACCORDINGTOTHEMISSIONREQUIREMENTTHEVISUALIZATIONSYSTEMMAYSATISFYTHEREQUIREMENTOFTHEENGINEANDTHEEXPERIMENTMODELSTRUCTURETHETESTPARAMETERCONFIGURATIONDATASYNCHRONIZATIONPLAYBACKOFTHEEXPERIMENTDATAFLOWANDTHEVIDEECORDINGTHESYSTE擻DESKSTUDIESPRELIMINARYMODELOFMULTIPLATFORMMUTUALCOOPERATIONUSINGTHEOBJECTORIENTEDMETHODKEYWORDSGASTURBINEENGINETESTVISUALIZATIONS,MODULEDESIGN,PARAMETERCONFIGURATION111
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上傳時間:2024-03-01
頁數(shù): 73
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簡介:分類號密級UDC編號工學碩士學位論文航空燃氣渦輪發(fā)動機葉片疲勞分析碩士研究生張海瓊指導教師宋海燕副教授學科、專業(yè)飛行器設計論文主審人蓋京波副教授哈爾濱工程大學2013年12月分類號密級UDC編號工學碩士學位論文航空燃氣渦輪發(fā)動機葉片疲勞分析碩士研究生碩士研究生張海瓊指導教師指導教師宋海燕副教授學位級別學位級別工學碩士學科、專業(yè)學科、專業(yè)飛行器設計所在單位所在單位航空與建筑學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月學位授予單位學位授予單位哈爾濱工程大學
下載積分: 5 賞幣
上傳時間: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位論文題女目作者姓名學科門類提交論文日期航空全雙工以太網(wǎng)交換機若干關鍵技術研究與實現(xiàn)STUDYANDREALIZATIONOFSOMEKEYTECHNOLOGIESONAFDXSWITCH王斌文指導教師姓名、職務邱智亮教授工學學科、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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上傳時間:2024-03-01
頁數(shù): 70
大小: 7.11(MB)
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簡介:電子科技大學碩士學位論文某型航空電子設備及安裝架動力學分析姓名陳施能申請學位級別碩士專業(yè)機械電子工程指導教師徐利梅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
上傳時間:2024-03-01
頁數(shù): 69
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簡介:中圖分類號V2337論文編號102870215S115學科分類號082502碩士學位論文航空發(fā)動機分布式控制時延系統(tǒng)穩(wěn)定性及魯棒控制方法研究研究生姓名高大偉學科、專業(yè)航空宇航推進理論與工程研究方向系統(tǒng)控制與仿真指導教師潘慕絢副教授南京航空航天大學研究生院能源與動力學院二О一四年十二月NANJINGUNIVERSITYOFAERONAUTICSASTRONAUTICSTHEGRADUATESCHOOLCOLLEGEOFENERGYPOWERENGINEERINGRESEARCHONTHESTABILITYROBUSTCONTROLMETHODOFDISTRIBUTEDTIMEDELAYSYSTEMOFAEROENGINEATHESISINAEROSPACEPROPULSIONTHEYENGINEERINGBYGAODAWEIADVISEDBYASSOCIATEPROFESSPANMUXUANSUBMITTEDINPARTIALFULFILLMENTOFTHEREQUIREMENTSFTHEDEGREEOFMASTEROFENGINEERINGDECEMBER2014
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 78
大小: 3.12(MB)
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簡介:中國民航大學碩士學位論文機場航空噪聲影響評價及計算方法研究姓名馬騰飛申請學位級別碩士專業(yè)交通運輸規(guī)劃與管理指導教師王維20070301中國民航大學碩士學位論文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
上傳時間:2024-03-01
頁數(shù): 61
大小: 1.69(MB)
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簡介:西北工業(yè)大學碩士學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位級別碩士專業(yè)系統(tǒng)工程指導教師吳勇20070301西北工業(yè)大學碩士學位論文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
上傳時間:2024-03-01
頁數(shù): 61
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簡介:中國民航大學碩士學位論文航空公司安全文化研究姓名李楠申請學位級別碩士專業(yè)安全技術及工程指導教師王永剛20080408巾國民航人學碩十學位論文ABSTRACTAIRLINESISATRANSPORTATIONOFHIGHTECHNOLOGYHIGHINVESTMENTHIGHRISKTHESAFETYCULTURECONSTRUCTIONINTHEAIRLINESISAVITAIBASISTOENSURETHESAFETYOFAVIATIONATPRESENT,MOSTAIRLINESDONOTDOTHETHOROUGHRESEARCHREFERRINGTOTHESAFETYCULTUREANDTHEYALWAYSPAYATTENTIONTOTHEAPPEARANCEOFTHESAFETYCULTUREIGNORINGTHEPRACTICALSIGNIFICATIONONTHEOTHERHAND,THERESEARCHESSTUDIEDBYTHESCHOLARSALWAYSEMPHASIZEONTHEEVALUATIONOFTHESAFETYCULTURETHEREFORETHESTUDYOFSAFETYCULTUREINAIRLINESISSELECTEDASTHETOPICOFTHETHESISTHEMODELOFTHESAFETYCULTUREINAIRLINESISESTABLISHEDANDTESTEDINADOMESTICAIRLINEONTHEBASISOFTHESTRUCTUREDSAFETYCULTUREMODELANDTHERECIPROCALSAFETYCUITUREMODELCOMBININGWITHTHESTRUCTUREOFTHEAIRLINES,THEMODELOFTHESAFETYCULTUREISESTABLISHEDACCORDINGTOTHEREQUIREMENTSRELATEMTOTHESAFETYCULTUREPUTFORWARDBYICA0ANDTHENINEELEMENTSOFSMSTENCORRESPONDINGMEASUREMENTSOFTHEMODELISCOMPLETEDTHEREFORE,THEMODELOFTHESAFETYCULTUREINANAIRLINEISDECOMPOSEDASTHREEDIMENSIONSPERSON,ORGANIZATIONANDPERFORMANCEANDWITHTENCORRESPONDINGINFLUENCEFACTORSTHEMODELISTESTEDINTHEDOMESTICAIRLINEONTHEBASISOFTHEMODELTWOTYPESOFTHEQUESTIONNAIRESREGARDINGTOTHEMANAGEMENTANDSTAFFLEVELAREMADEUPANALYSISOFTHEFINDINGSOFTHEQUESTIONNAIRESSHOWSTHATITSTILLHAVEMAJORPROBLEMSWITHTHEFACTORSOFSAFETYTRAINING,SAFETYCOMMISSIONANDSAFETYREGULATIONSINTHEAIRLINETHEREASONSAREFOUNDACCORDINGTOTHEWEAKNESSOFTHEAIRLINESANDTHECONSTRUCTIONSOFSEVENSUBSYSTEMSINTHEAIRLINESALESUGGESTEDKEYWORDSAIRLINES,SAFETYCULTURE,SAFETYCULTUREMODEL,SAFETYCULTUREINFLUENCEFACTORU
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上傳時間:2024-03-01
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簡介:航空發(fā)動機矢量噴管六分量測力系統(tǒng)研制重慶大學碩士學位論文學生姓名湛華海指導教師孫曉松副教授專業(yè)機械電子工程學科門類工學重慶大學機械工程學院二OO八年四月DEVELOPMENTONSIXCOMPONENTBALANCESYSTEMFMEASURINGPLANEENGINEVECTNOZZLEATHESISSUBMITTEDTOCHONGQINGUNIVERSITYINPARTIALFULFILLMENTOFTHEREQUIREMENTFTHEDEGREEOFMASTEROFENGINEERINGBYZHANHUAHAISUPERVISSUNXIAOSONGMAJMECHANICALELECTRONICENGINEERINGCOLLEGEOFMECHANICALENGINEERINGOFCHONGQINGUNIVERSITYCHONGQINGCHINAAPRIL2008
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 102
大?。?4.19(MB)
子文件數(shù):
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簡介:中國民航大學碩士學位論文航空發(fā)動機風扇葉片模態(tài)分析及其在結(jié)構(gòu)損傷檢測中的應用姓名何亮申請學位級別碩士專業(yè)航空宇航推進理論與工程指導教師李書明20070106中國民航大學碩十學位論文ABSTRACTRESEARCHONTHESTRUCTUREDAMAGEDETECTIONOFAEROENGINEFANBLADESHASGREATSIGNIFICANCEBECAUSETHEMINUTEFATIGUECRACKSGENERALLYRESULTINTHEMALFUNCTIONSOFENGINECOMPONENTSWHENTHECRACKSEXPANDRAPIDLYUNDERTHECIRCUMSTANCEOFNOTBEINGDETECTED,THEWHOLESTRUCTURESOFFANBLADESCOULDBEDEVASTATEDCOMPLETELYANDSEVERESAFETYACCIDENTSCOULDBEINDUCEDTHEDISSERTATIONDEMONSTRATESDEVELOPMENTOFSTRUETUREDAMAGEDETECTIONBASEDONTHEVIBRATIONCHARACTERISTICSOFCOMPONENTSANDTHEAPPLICATIONOFARTIFICIALNEURALNETWORKINSTRUCTUREDAMAGEIDENTIFICATIONEXPERIMENTALMODALANALYSIS,F(xiàn)INITEELEMENTMETHODFEMANDARTIFICIALNEURALNETWORKAREALSOADOPTEDCOMPREHENSIVELYINTHEDISCOURSEANDTHEPANELMODELSOFFANBLADESINMULTIFARIOUSDAMAGECONDITIONSARECONSTRUCTEDACCORDINGLYNLEMODALPARAMETERSSUCHASTHENATURALFREQUENCYANDMODESHAPECANBECALCULATEDSUBSEQUENTLYANDTHENINFLUENCEOFPOSITIONSANDSEVERITIESOFCRACKSINTHETWOPARAMETERSAREPROBEDINTOWHENTHEYAREVARIEDTHEBPNEURALNETWORKMODELSWHICHUTILIZEDINTHEDETECTIONOFSTNLCTIL|屯DAMAGEPOSITIONSANDSEVERITIESOFFANBLADESCANBEESTABLISHEDBYREGARDINGTHERELATIVERATIOOFTHEFIRSTORDERMODESHAPEANDTHESQUAREOFNATURALFREQUENCYCHANGEASTHEINDICATORSMEANWHILEAFRESHSTANDPOINTPRESENTEDINDISSERTATIONISTHATTHECALCULATIONDATAVIAFEMISREGARDEDASLEARNINGSAMPLESOFBPNEURALNETWORKANDTRAINEDACCORDINGTOTHECOMPARISONOFTHECALCULATIONBYEMPLOYINGTHEEXPERIMENTALMODALANALYSISANDFEMINALLUSIONTOFOURFULLYDIFFERENTKINDSOFDAMAGEMODELSOFTHEPANELCONSTRUES,THEVERACIVYANDFEASIBILITYOFMEASUREMENTIONEDABOVECANBEVALIDATEDTESOLVETHEDEFICIENCYOFMALFUNCTIONSAMPLESINROUTINEMAINTENANCEPRACTICETHENEURAINETWORKMODELSWHICHOUTPUTSCANMEETTHEPRECISIONASEXPECTEDACTUALLYCANBEADOPTEDTOIDENTIFYPOSITIONSANDEXTENTSOFCRACKSROOTEDOUTINCOMPONENTSLIKEFANBLADESTHEDISSERTATIONHASTHEORETICALLYSIGNIFICANCEANDCANBETAKENASAREFERENCEINTHEFIELDSOFFORDAMAGEDETECTIONOFOTHERCOMPONENTS,CONSTRUCTIONREMODIFICATIONANDOPTIMIZATIONDESIGNKEYWORDSAEROENGINE;DAMAGEDETECTION;MODALANALYSIS;FEM;BPNEURALNETWORKⅡ
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 71
大?。?1.84(MB)
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簡介:研究生畢業(yè)論文(全日制學術型碩士申請學位全日制學術型碩士申請學位)論文題目論文題目IMUDGPS輔助航空攝影測量中的航線設計研究學位申請人學位申請人秦先兵專業(yè)名稱地圖學與地理信息系統(tǒng)研究方向3S理論技術與應用指導教師臧德彥教授20132013年66月1818日本人聲明所呈交的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,盡我所知,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,也不包含本人為獲得大學或其它教育機構(gòu)的學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于論文使用授權(quán)的關于論文使用授權(quán)的說明說明本學位論文作者完全了解大學有關保留、使用學位論文的規(guī)定大學有權(quán)保留并向國家有關部門或機構(gòu)送交論文的復印件和磁盤,允許論文被查閱和借閱,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,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。保密的學位論文在解密后也遵守此規(guī)定。作者簽名導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:南京航空航天大學碩士學位論文基于XRF技術的航空發(fā)動機油液在線監(jiān)測系統(tǒng)研究姓名陸亦彬申請學位級別碩士專業(yè)載運工具運用工程指導教師李艷軍20080101基于XRF技術的航空發(fā)動機油液在線監(jiān)測系統(tǒng)研究IIABSTRACTTHESTRUCTUREOFAEROENGINEISVERYCOMPLICATEDITWILLBEPRONETOALLKINDSOFMECHANICALFAILUREWHENITWKSINHARSHENVIRONMENTASTHE“HEART”O(jiān)FANAIRCRAFTITSRUNNINGSTATUSWILLDIRECTLYAFFECTTHEFLIGHTPUNCTUALITYSAFETYTHEREFETHECONDITIONMONITINGFAULTDIAGNOSISOFAEROENGINESBECOMESAVERYPREVALENTPARTOFSCIENCEOILANALYSISISALSOONEOFTHECOMMONENGINECONDITIONMONITINGMETHODSITISMEADVANCEDMERELIABLETHEXRFMETHODISONEOFTHEDEVELOPMENTTRENDSOFTHEFUTUREITISALSOANIMPTANTPARTOFTHEOILANALYSISTHEXRFANALYSISMETHODUSESTHEΓRAYCOMINGFROMRADIOACTIVEISOTOPETORADIATETHESAMPLEOILTHATCAUSESTHESAMPLETOEMITTHEXRAYFLUESCENCETHENTHEINTENSITYOFTHEXRAYFLUESCENCEISMESUREDSOTHECONTENTOFTHEELEMENTINTHESAMPLECANBEFIGUREDOUTFIRSTLYTHECONVENTIONALRECENTLYTECHNOLOGYOFOILANALYSISOFAEROENGINEISSTUDIEDINTHISPAPERTHENTHEDEVELOPMENTTRENDOFTHISTECHNOLOGYISFECASTEDSECONDLYTHEBASICPRINCIPLEOFXRFTECHNOLOGYISINTRODUCEDINDETAILTHENTHEAEROENGINEOILINLINEMONITINGSYSTEMBASEDONXRFTECHNOLOGYISESTABLISHEDNEXTSOMELUBRICATINGOILISANALYSEDBYTRADITIONALMETALLOGRAPHICMICROSCOPENEWXRFTECHNOLOGYITSENERGYSPECTRUMWITHFAILUREINFMATIONISGOTITWASCOMPAREDWITHDINARILYOILTHENTHETHRESHOLDISESTABLISHEDBYTHECOMPARISONSOTHETHRESHOLDCANBEUSEDTODISTINGUISHBETWEENFAILURESTATUSNMALSTATUSFINALLYASUITOFAPPLIEDAEROENGINEINTELLIGENTDIAGNOSISSYSTEMBASEDONELEMENTARYANALYSISISDESIGNEDINTHISPAPERXRFTECHNOLOGYISUSUALLYUSEDINDETECTINGSOLIDPOWDERITISANEWATTEMPTTHATTHEXRFTECHNOLOGYISPUTINTOTHEOILANALYSISAREAINTHISPAPERITISPOSSIBLETHATXRFTECHNOLOGYCANBEUSEDINAREOENGINEOILONLINEMONITINGBECAUSEOFTHERADIOACTIVEISOTOPETHE“AEROENGINEOILINLINEMONITINGSYSTEMBASEDONXRFTECHNOLOGY”STUDIEDINTHISPAPERCANBEUSEDTOPREDICTTHEFAILUREOFTHEAEROENGINEAHEADINCREASETHERELIABILITYEXTENDTHEUSINGLIFESPANREDUCETHELIFECYCLECOSTOFEQUIPMENTSWHILETHOSEOFFLINEDETECTINGMETHODSCAN’TWELLREACHTHESEADVANTAGESTHEREFETHISTECHNOLOGYHASABROADAPPLICATIONPROSPECTSCANBRINGENMOUSECONOMICALSOCIALBENEFITKEYWDSAEROENGINEOILANALYSISCONDITIONMONITINGFAULTDIAGNOSIS,SENS,XRFENERGYSPECTRUM
下載積分: 5 賞幣
上傳時間:2024-03-01
頁數(shù): 85
大?。?4.51(MB)
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