大氣數據系統(tǒng)故障診斷專家系統(tǒng)研究.pdf

1、中國民航大學碩士學位論文大氣數據系統(tǒng)故障診斷專家系統(tǒng)研究姓名：白玲申請學位級別：碩士專業(yè)：導航制導與控制指導教師：羅云林20080401中閨C吭入學壩lj學位論義AbstractAirdatasystemisanimportantcomponentoftheaircraftsystem，whichisamajorcomponentofairdatacomputersystems，inadditiontOairdatainstrument

2、sandthewholeHIPsystemsAirdataisallautomaticcalculationofcomputerequipment，bothcanbeusedasdirectinstruments，indicateahighdegreeofaircraft，spacevelocity，Mfewatmospherictemperatureforflightpersonnelinterpretation；sensorcana

3、lsobeusedassignalstotheautomaticflightcontr01inertialnavigationairtrafficcontrol，ahighlevelofalertnearwarningsystemssuchasflightdatarecordertransmissionsignalthestabilityofitsdirectimpactonflightsafetyAtpresentairdatasys

4、temsforfaultdiagnosisisstillthemainmethodusedmainlyartificialjudgement，thisapproachisinefficient，poorreal—time，subjectivitystrong，andhasbecomeincreasinglyunabletOmeetsystemdevelopmentandsystemsecurityneedsTheaircraftaird

5、atasystemsequipmentofanumberofcomplextestsignals，theuseofasimplemethodoffaultdiagnosisitisverydifficulttofaultdiagnosisandisolationpurposesInthispapertheAITS100ADSintegratedavionicsteststationairdatacomputertestingsystem

6、onthebasisofresearchanddevelopment，theuseofmultipleintelligentmethodofcombiningstrategy，buildingarulebasedandfuzzyatmosphericdatathrustfaultdiagnosissystemThispaperstudiesthecontentis：airdatasystemsforthecarrierstartingw

7、ithitsprinciplecomponentanalysisoftheirfailurecharacteristics。thustheestablishmentofairdatasystemfaultdiagnosisexpertsystem，usingrulebasedexpertsystemforfaultdiagnosis，ontheoverallframework，reasoningmechanismandmethod，th

8、efocusoftheexpertsystemfunctionalrequirements，theintroductionoftheselllearningneuralnetworkusingthecomprehensiverulebasedandfuzzyreasoningmechanismKeywords：faultdiagnosis，airdatasystems，F(xiàn)aultDiagnosisExpertSystem，neuraln