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1、附录A 外文资料DevelopmentofRailwayStationSignalingControlEquipmentFaultDiagnosisExpertSystemAbstractDevelopmentandimplementationofthestationsignalingcontrolequipmentfaultdiagnosisexpertsystemarestudiedbytheartificialintelligenceandexpertsystemmethods.Onthebasisofthecurrentsituationofstationsignalingcom
2、putermonitoringsystem,theoverallstructureofthestationsignalingequipmentfaultdiagnosisexpertsystemisproposed,whichconsistsoftheknowledgebasesubsystem,machinereasoningsubsystem,integrateddatabasesubsystemandman-machineinterfacingsubsystem.Accordingtothetypesandcharacteristicsoffaultsareestablishedt
3、hefaultmechanismanalysismodelbasedontheprincipleoflogiccircuits,thefaultanalysismodelbasedonactualexpertknowledge,thefaultdiagnosis&trendanalysismodelbasedontheequipmentlifemechanismandthecomplexfaultdiagnosismodelbasedonthedecisiontreelearningalgorithm.Theprototypesystemisdevelopedwiththeobject-
4、orientedstructuralknowledgerepresentationmethodsandtheelementclassificationdevelopmenttechnology,thuslayingafoundationfordevelopmentofthepracticalapplicationsystem.Researchanddevelopmenttoensurethesafetyofrailwaytransportstationsignalequipmentmaintenancesystem.Toensuretrouble-freerailwaystationsi
5、gnalequipmentingoodwork,isourcountryrailwaycurrentlyfacingamajorissue.Toimprovethemaintenancelevelofrailwaysignalsysteminourcountry,startinginthe90s,hasdevelopedtheTJWX-typeIandTJWX-2000typemicrocomputermonitoringsystem.Since2000,mostoftheelectriccentralizedstationbyusingthecomputermonitoringsyst
6、em,realizethereal-timemonitoringforstationsignalequipmentstatus，hasbeenbasicallyachievethegoalofamodernsensortechnology,fieldbus,computernetworkcommunication,databaseandsoftwareengineering,Andthroughthemainsignalmonitoringandrecordingequipmentrunningstatus,graspthecurrentstateoftheequipmentforele
7、ctricitydepartmentandaccidentanalysisprovidesthebasicscientificbasis.Butasaresultofthesystemandthereisnoperfectconditionmonitoringandfaultdiagnosisinabody'scomprehensivefunction,makesalotofcomplicatedequipmentfailurean
