人工神经网络毕业论文外文翻译对照.doc

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1、人工神经网络毕业论文外文翻译对照　　TextileResearchJournalArticleUseofArtificialNeuralNetworksforDeterminingtheLevelingActionPointattheAuto-levelingDrawFrameAssadFarooq1andChokriCherifInstituteofTextileandClothingTechnology,TechnischeUniversit?tDresden.Dresden,GermanyAbstractArtif

2、icialneuralworkswiththeirabilityoflearningfromdatahavebeensuessfullyappliedinthetextileindustry.Thelevelingactionpointisoneoftheimportantauto-levelingparametersofthedrawingframeandstronglyinfluencesthequalityofthemanufacturedyarn.Thispaperreportsamethodofpredicti

3、ngthelevelingactionpointusingartificialneuralworks.Variouslevelingactionpointaffectingvariableswereselectedasinputsfortrainingtheartificialneuralworkswiththeaimtooptimizetheauto-levelingbylimitingthelevelingactionpointsearchrange.TheLevenbergMarquardtalgorithmisi

4、ncorporatedintotheback-propagationtoaeleratethetrainingandBayesianregularizationisappliedtoimprovethegeneralizationoftheworks.Theresultsobtainedarequitepromising.Keywords:artificialneuralworks；auto-lev-eling；drawframe；levelingactionpointTheevennessoftheyarnplaysa

5、nincreasinglysignificantroleinthetextileindustry,whilethesliverevennessisoneofthecriticalfactorswhenproducingqualityyarn.Thesliverevennessisalsothemajorcriteriafortheassessmentoftheoperationofthedrawframe.Inprinciple,therearetwoapproachestoreducethesliverirregula

6、rities.Oneistostudythedraftingmechanismandrecognizethecausesforirregularities,sothatmeansmaybefoundtoreducethem.Theothermorevaluableapproachistouseauto-levelers[1],sinceinmostcasesthedoublingisinadequatetocorrectthevariationsinsliver.Thecontrolofsliverirregularit

7、iescanlowerthedependenceoncardsliveruniformity,ambientconditions,andframeparameters.Attheauto-levelerdrawframe(RSB-D40)thethicknessvariationsinthefedsliverarecontinuallymonitoredbyamechanicaldevice(atongue-grooveroll)andsubsequentlyconvertedintoelectricalsignals.

8、Themeasuredvaluesaretransmittedtoanelectronicmemorywithavariable,thetimedelayedresponse.Thetimedelayallowsthedraftbetweenthemid-rollandthedeliveryrollofthedraw