资源描述:
《多跨门式刚架设计专家系统的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、多跨门式刚架设计专家系统的研究摘要于家系统是一种智能型的计算机程序,它运用知识和推理来解决只有专家才能解决的复杂问题。在众多的人工智能研究领域中,专家系统是一个最富有代表性和最重要的应用分支。从1968年DENDRAL专家系统研制成功到20世纪70年代中期,它的应用逐渐渗透到N疗、自然语言处理·数学及地质等多个领域·少-在中国,轻型钢结构的应用日趋广泛,研究和开发轻钢结构智能的优化设计软件,必将促进我国轻钢结构的进一步发展。多跨门式刚架设计专家系统是以windows2000为平台,采用面向对象的语言visual设计的目的。
2、关键词:专家系统:门式刚架;产生式规则;040退气ResearchonExpertSystemfortheDesignofMulti-spanSteelPortalFramesAbstractTheexpertsystemisakindofintellectualcomputerprogram,anditcanapplyknowledgeandinferencetoresolvecomplexproblems,whichonlycanberesolvedbytheexperts.Amongmanyartificialint
3、elligence'sresearchingfields,theexpertsystemisthemosttypicalandthemostimportantsub-fieldinapplication.Fromtheyear1968whentheexpertsystemofDENDRALwasdevelopedsuccessfullytotheMid1970s,itwasappliedinmedicaltreatment,naturelanguage,mathematicsandgeology,etc.InChina,t
4、helightsteelstructurehasbeenusedwidespread.Studyinganddevelopingthecomputeranalysisandoptimizationdesignoflightsteelstructurewillacceleratethedevelopmentoflightsteelstructure.Theexpertsystemforthedesignofmulti-spansteelportalframesisusedincomputerwithwindows2000an
5、ddevelopedwithobject-orientedlanguagevisualbasic6.0.Theknowledgeofthisexpertsystemcomesfromexperts,criterionandcorrelativeliteratureanditisexpressedasproceduralknowledgeanddeclarativeknowledge.Proceduralknowledgeincludescheckingslendernessratio,calculatingefective
6、crosssectionarea,checkingdisplacement,checkingstrength,checkingstabilityinplaneandoutplane.Thisknowledgeisstablerelatively,andcanformindependentcomputationalmodule.Thispaperprovidestheirflowcharts.Declarativeknowledgeincludesproductionruleofabecedarianselectioncro
7、ss-sectionandconstraincross-section.Thisexpertsystemhasestablishedinferenceengine,whichwasdevelopedbyproductionruleandsimulatedannealingalgorithm.Atthesametime,thisexpertsystemhasestablishedlearningmachine,whichcanlearnnewrules.Thedesignresultshowsthatthisexpertsy
8、stemhasthefunctionofoptimizationdesign.Keywords:expertsystem;portalframe;rule;simulatedannealingn多跨仍式刚架设计专家系统的研究绪言人工智能诞生于20世纪50年代,目的在于研究如何利用计算机等工具来模仿人类的