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时间:2020-03-25
《基于灰色系统理论的车削参数多目标优化.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、机床与液压Dec.2013HydromechatronicsEngineeringVo1.41No.24DOI:10.3969/j.issn.1001-3881.2013.24.020Multi-objectiveOptimizationofTurningParametersBasedonGraySystemTheory一一-QINMengyang,LIUDawei,LUOYongshun,LIYuzhongKeyLaboratoryofNumericalControlTechnologyofGuangdongHigherEduc
2、ationInstitutes,GuangdongPolytechnicNormalUniversity,Guangzhou510635,ChinaAbstract:Inordertosolvetheproblemofselectingprocessparametersduringturningformulti—objectiveofmachinedquality,amethodofturningparametersoptimizationwasproposedbasedongraysystemtheo~.Turningparam
3、eterswereindependentvariablesincludingcuringspeed,feedrateandcufingdepth.Theparametersofcuringrate,dimensionalsizeerrorandsurfaceroughnesswereobjectivefunctions.Turningexperimentswerecarriedouttocolectrawdata,graycorrelationcoeficientandcorrelationwereanalyzedbetweent
4、urningparametersandmulti-objectivefunctionsaccordingtogreysystemtheo~,andthentheturningparameterswereopti—mized.Aturningexperimentshowedthatthemachiningqualityandeficiencywereimprovedgreatlybyusingtheoptimizedturningparameters.Keywords:greysystemtheo~,turning,multi-ob
5、jectiveoptimizationtiono±someknowninformation.Therearemany1.IntroductioncomplexfactorscontributingtomachinedqualityofturningprocessanditshowsevidentgreypropertiesTurningisanimportantmetalcuttingprocess,[5].Thegraytheoryhasbeenappliedinmanufac—anditiscommonlyusedinmanu
6、facturing.Thereareturing[6—8],butturningparameteroptimizationmanyqualityassessmentindicatorsforturningprocessbasedongreytheoryhasnotbeenfoundbefore,[1].Studieshaveshownthatmachinedqualityarethereforeaturningparametersmulti·-objectiveoptimi·-affectedbymanyfactors[2],wh
7、ichhaveverycom.zationmethodbasedonthistheoryisproposedinthisplexeffects,evensomefactorshaveoppositeeffectpaper·ondifferentqualityindicators.Atpresent,rapidde-Inturningexperimentswithvariousparameters,velopmentofequipmentmanufacturingrequiredmoregraycorrelationcoeficie
8、ntandcorelationwereob—comprehensiveandhighermachinedqualitythanbe—tainedbetweenobjectivefunctionincludingcuttingfore,choiceo
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