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1、IntJAdvManufTechnol(2002)20:612620OwnershipandCopyright2002Springer-VerlagLondonLimitedPredictionofGasketLeakageRateandSealingPerformanceThroughFuzzyLogicJ.Arghavani,M.DerenneandL.MarchandDepartmentofMechanicalEngineering,AppliedMechanics,EcolePolyte
2、chniqueofMontreal,Montreal,Quebec,CanadaLeakageratepredictionandcontrolareoftheutmostimpor-leakagerateforagivensystem.Thecomplexityoftheanalysistanceinmostindustrialapplicationsforgasketedflangedjointsoftheexperimentalgaskettests,andtheassociatedcost,a
3、sinhigh-pressuresystems,forsafetyandenvironmentalreasons.wellastheexistanceofmanytestresultsinarchives,leadtoInaddition,lossofmedia,anddamagetotheplant,resultingtheconsiderationofafuzzydecisionsupportsystemforgas-fromleakyjointscanbeverycostlyforthein
4、dustries.Gasketketedflangedjoints.Fuzzylogicisavaluabletoolforsolvingtestingandtheevaluationoftheirsealingperformancearecomplexproblemswhereamathematicalmodelisnotfeasiblecomplex,time-consuming,andcostly,andrequiresophisticatedorwouldbetoodifficulttoobt
5、ain.Fuzzylogiccanbeusedtoolscapableofpredictingleakagebasedonlimiteddata.Intoreducethecomplexityofexistingsolutionsaswellastothepresentwork,fuzzylogicisusedasatooltopredicttheincreasetheaccessibilityofdesignparametersandforleakageleakagerateandgasketp
6、erformanceofgasketedflangedjoints.control.Furthermore,theapplicationoffuzzysettheory,andDifferentfuzzymodelsaredevelopedandvalidatedwithexperi-fuzzylogicinthisdomainrepresentsarelativelysimpleandmentalresultsforgivenoperatingconditions,takingintocon-lo
7、w-costsolution.Oncethefuzzydecisionsupportsystemissiderationthegaskettypeandsurfaceroughnessofthematingdeveloped,gasketleakageratepredictionandsystemparameterfaces.Itisshownthatlimitedexperimentaltestdatacanbeselectionforaleak-freejointcanbemadeeasily
8、andaccurately,usedtobuildfuzzymodelsthatpredictgasketleakagerateataminimumcost.andsealingperformance.Keywords:Fuzzylogic;Gasketperformance;Gasketed1.1FuzzyLogicRulesflangedjoints;Leakagerateprediction;LimiteddatapointsFuzzylogicrulescoverawider
