简介:Thedevelopmentofnewproductsofhighquality,lowunitcost,andshortleadtimetomarketarethekeyelementsrequiredforanyenterprisetoobtainacompetitiveadvantage.Thispartofthepaperpresentsamethodologytoautomaticallysimulatetheconceptualdesignresultsinthevirtualentityform.Totheidentifiedbasicmechanisms,theirkinematicanalysisiscarriedoutbymatchingbasicBarranovtrusses,andtheirvirtualentitiesaremodeledbasedonfeature-basedtechniqueandencapsulatedasonedesignobject.Basedonthestructuresofthebasicmechanismsandtheirconnections,aspacelayouttothemechanicalsystemcorrespondingtothesymbolicschemeisthenfulfilled.Withthepreset-assemblyapproach,allpartsinthemechanicalsystemareputontoproperpositionswheretheconstraintequationsaremetaccordingtothespacelayoutresults.Inthisway,thevirtualentityassemblymodelofthemechanicalsystemrelativetothesymbolicschemeissetup.Theapproachpresentedinthispapercannotonlyobtaininnovativeconceptualconceptualdesignresults,butalsocanevaluatetheirperformancesunder3-Denviromentefficently.
简介:Thedevelopmentofnewproductsofhighquality,lowunitcost,andshortleadtimetomarketarethekeyelementsrequiredforanyenterprisetoobtainacompetitiveadvantage.Forshortingtheleadtimetomarketandimprovingthecreativityandperformancesoftheproduct,arule-basedconceptualdesignapproachandamethodologytosimulatetheconceptualdesignresultsgeneratedinconceptualdesignprocessinautomaticalvirtualentityformarepresentedinthispaper.Thispartofpaperpresentsarule-basedconceptualdesignmethodforgeneratingcreativeconceptualdesignschemesofmechanismsbasedonYan’skinematicchainregenerationcreativedesignmethod.Thedesignrulesareadoptedtodescribethedesignrequirementsofthefunctionalcharacteristics,theconnectionrelationshipsandtopologicalcharacteristicsamongmechanisms.Throughthegraphs-basedreasoningprocess,theconceptualdesignspaceisexpandedextremely,andthepotentialcreativeconceptualdesignresultsarethendugout.Byrefiningthedesignrules,thesolutionexplorationproblemisavioded,andthetendentiousconceptualdesignschemesaregenerated.Sincemechanical,electricalandhydraulicsubsystemscanbetransformedintogeneralmechansims,theconceptualdesignmethodpresentedinthispapercanalsobeappliedintheconceptualdesignproblemofcomplexmechatronicsystems.Andthenthemethodtoidentifyconceptualdesignschemesisgiven.
简介:安装在复合机内的自动纸盒称为插入式纸盒,本文作者分析了纸盒的机械和电器系统、包括检测有无复印纸的电路,纸盒抬纸机构及如何避免由纸盒带来的卡纸等。