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1、济南大学泉城学院毕业设计外文资料翻译济南大学泉城学院毕业设计外文资料翻译题目现代快速经济制造模具技术专业机械制造及其自动化班级学生学号指导教师二〇一五年三月十六日-1-IntJAdvManufTechnol(2005)26:774–783DOI10.1007/s00170-003-2037-8Aknowledge-basedblackboardframeworkforstampingprocessplanninginprogressivediedesignS.B.Tor·G.A.Britton·W.
2、Y.ZhangSpringer-VerlagLondonLimited2004Abstract：Itiswidelyacceptedthatstampingprocessplanningforthestriplayoutisakeytaskinprogressivediedesign.How-ever,stampingprocessplanningismoreofanartratherthanascience.Thisisinspiteofrecentadvancesinthefieldofarti
3、ficialintelligence,whichhaveachievedalotofsuccessinincorporatingbuilt-inintelligenceandapplyingdiverseknow-ledgetosolvingthiskindofproblem.Themaindifficultyisthatexistingknowledge-basedexpertsystemsforstampingprocessplanninglackaproperarchitectureforor
4、ganizingheterogeneousknowledgesources(KSs)inacooperativedecisionmakingen-vironment.Thispaperpresentsaknowledge-basedblackboardframeworkforstampingprocessplanning.Theproposedap-proachspeedsuptheprogressivediedesignprocessbyautomat-ingthestriplayoutdesig
5、n.Anexampleisincludedtoshowtheeffectivenessoftheproposedapproach.Keywords：Knowledge-based·Object-oriented·Progressivediedesign·Stampingprocessplanning1.IntroductionProgressivediesforproducingsheetmetalpartsinmasspro-ductionhavebeenwidelyappliedinvariou
6、sindustriessuchasaerospace,electronics,machinetools,automobiles,andre-frigeration.Thesediescanperformpiercing,notching,cut-off,blanking,lancing,bending,shaving,drawing,embossing,coin-ing,trimming,andothermiscellaneousformingoperationsatasinglesetup.Hen
7、ce,aprogressivedieisgenerally22verycom-plex.Stampingprocessplanninganddiestructuredesignaredifficultanddemandingtasks.Stampingprocessplanningstartswithanunfoldingofamodelofstampedmetalparttoproduceaflatpattern,followedbynestingthepatterntoproduceablank
8、layout.Next,stampingoperationsareplannedandoperationsareassignedtodiesta-tions.Theresultingplanistypicallyrepresentedasastriplayout,whichguidesthesubsequentdiestructuredesign.Theproduc-tivity,accuracy,cost,andqualityofaprogressivediemai
