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1、可以实现基于规则的故障诊断，为用户缩小故障源所在范围，减少维修时间。该系统可以减少设备故障发牛概率，减少启闭机的故障诊断周期，降低企业损失，提高船闸的通行率。关键词：液压启闭机，运行监测，故障诊断，专家系统AbstractIntheshiplocksystemconfiguration,becausethehydraulichavetheadvantagesofbigtorque,stableoperationandeasytodrive,theyhavebeenusedinthemostoftheshiplocksasthedrivingdevice・Buttheyo
2、ftenworksafteraperiodoftimewillinevitablyturndevicewornordamaged.Theperformancecausedbysystemagingisnoteasytofeel.Whenthehydraulichoistshaveobviousfault,itoftenisirreversibleanditgenerallyneedstoreplacethehydraulicdevice.Becauseofitsheavymechanicalequipment,anditsmaintenanceandreplacemen
3、tneedhightechnology,therepairisoftenneededforprofessionalandtechnicalandoperationalguidance,sothatrepairtimeisverylong.Itisverybadfortransportation,notonlyforthenormaltrafficbutalsomakegreatlosstotherelevantenterprisesproduction.Currentlytheshiplockcontrolsystempresentsontheonlinesignals
4、,warningmessagesandreportsetc.Thismethodfailtocheckhydraulichoistcomponentsaging,unabletoprovideearlywarninginformationinadvancefortheusers,ontheotherhand,itcannotguidetheuserstofindthefaultsourcelocation.Toimprovethissituation,weputforwardahydraulichoistmaintenancesystemconsistedofthree
5、subfunctionblocksthatfaultearlywarningbyprobabilitystatistics,enhancedthefaultdetectionandfaultdiagnosisbyrules.Thepurposeofthemaintenancesystemistoreducethefailurerate,increasethefaultalarminformationandshortenthefaultdiagnosisperiod・Thefirstchapterofthispaperintroducesthehydraulichoist
6、ofbackgroundandthecurrentcommondiagnosismethods,andputforwardthenecessityofimplementationofbettermaintenancesystemforhydraulichoistinshiplock.Thesecondchapterintroducestherelatedmethodsinfaultearlywarningoftheworkingprinciple,hydraulichoistindatamining,alsointroducedtheexpertsystem'sstru
7、cture,classificationanditsdevelopmentlanguageVisualProlog.Thethirdchapterintroducesthehardwarestructureandthesoftwarealgorithmselection,faultwarningselectedbasedonmathematicalstatisticmethod,thefaultdiagnosisusingarule-basedmethod・Thefourthchapterdescribestherealizationme
