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外文翻译--机械系统设计.doc

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外文翻译--机械系统设计.doc

INTRODUCTIONTHERAPIDDEVELOPMENTOFSCIENCEANDTECHNOLOGY,PRODUCTFEATURESREQUIREMENTSOFTHEGROWINGNUMBERANDCOMPLEXITYOFTHEINCREASEINLIFEEXPECTANCYSHORTENED,REPLACEMENTFASTERHOWEVER,THEDESIGNOFTHEPRODUCTS,ESPECIALLYMECHANICALPRODUCTSINTHEDESIGNMEANS,ISUNABLE,FAILEDTOKEEPPACEWITHTHENEEDSOFTHETIMESATPRESENT,COMPUTERAIDEDPRODUCTDESIGNDRAWINGS,DESIGN,MANUFACTURING,PRODUCTIONPLANNINGHASBEENARELATIVELYEXTENSIVEANDINDEPTHSTUDYANDACHIEVEDINITIALRESULTS,ANDPRODUCTDEVELOPMENTPROGRAMMESOFTHEEARLYCOMPUTERAIDEDDESIGNISFARFROMMEETINGANEEDTOTHISEND,THEAUTHORREADALOTOFLITERATUREONTHEBASISOFASUMMARYOFTHEDESIGNANDSCHOLARSATHOMEANDABROADTODESIGNTHEMETHODUSED,ANDDISCUSSEDTHEVARIOUSMETHODSOFORGANICLINKBETWEENPRODUCTDESIGNANDMECHANICALCOMPUTERTRENDOFDEVELOPMENTUNDERTHECURRENTDOMESTICANDFOREIGNSCHOLARSTODESIGNMACHINERYDESIGNMETHODSUSEDBYTHEMAINFEATURESOFTHEPROGRAMMECANBESUMMEDUPMODERNDESIGNFORTHEFOLLOWINGFOURMAJORTYPES1,SYSTEMATICDESIGNMETHODSYSTEMATICDESIGNOFTHEMAINFEATURESAREDESIGNASFROMANUMBEROFDESIGNELEMENTSOFASYSTEM,EVERYDESIGNELEMENTOFINDEPENDENCE,THEREAREVARIOUSELEMENTSOFTHEORGANICLINKSANDALEVELOFALLTHEDESIGNELEMENTSCOMBINED,YOUCANDESIGNSYSTEMSTOACHIEVETHETASKSYSTEMATICDESIGNIDEAINTHE1970SBYTHEGERMANSCHOLARPROFESSORPAHLANDBEITZ,ASYSTEMBASEDONTHETHEORY,DEVELOPEDADESIGNOFTHEGENERALPATTERN,ANDADVOCATEOFTHEDESIGNWORKSHOULDBERATIONALGERMANENGINEERSASSOCIATIONINTHISONTHEBASISOFDESIGN,DEVELOPSTANDARDSVDI2221TECHNOLOGYSYSTEMSANDPRODUCTDEVELOPMENTDESIGNMETHODSTHEDEVELOPMENTOFTHEPRODUCTDESIGNPROCESSOFMECHANICALMODEL,BASICALLYFOLLOWTHEGERMANSTANDARDSVDI2221THEDESIGNINADDITION,MANYOFOURPRODUCTDESIGNANDSCHOLARSINTHEPROGRAMMEDESIGNANDALSOLEARNFROMOTHERDEVELOPEDCOUNTRIESCITEDTHESYSTEMATICDESIGN,WHICHISREPRESENTATIVE1THEUSERNEEDSASTHEPRODUCTCONCEPTOFFUNCTIONALCHARACTERISTICS,STRUCTURALDESIGNANDPARTDESIGN,PROCESSPLANNING,OPERATIONSCONTROL,ANDSOONTHEBASISOFTHEPRODUCTDEVELOPMENTPROCESSOFTHEMACRO,THEUSEOFQUALITYFUNCTIONLAYOUTMETHODS,SYSTEMSANDINFORMATIONNEEDSOFUSERSWILLBEREASONABLEANDEFFECTIVEANDCONVERTEDTOTHEVARIOUSSTAGESOFPRODUCTDEVELOPMENTOBJECTIVESANDOPERATIONSCONTROLTECHNOLOGYMEANSAPOINTOFORDER2PRODUCTSASORGANISMSONTHELEVELOFLIFE,ANDLIFESYSTEMSTHROUGHTHEUSEOFTHEPRODUCTDESIGNPROCESSCANDEMANDLEVELOFSUCCESSANDREALIZETHECONCEPTOFFUNCTIONALREQUIREMENTSOFTHESPECIFICLEVELSANDPRODUCTDESIGNLEVELATTHESAMETIMEUSINGTHESYSTEMICONSTOLIFETHEABSTRACTEXPRESSIONOFTHEFUNCTIONALREQUIREMENTSOFPRODUCTS,PRODUCTFEATURESASYSTEMSTRUCTURE3THEMECHANICALDESIGNSYSTEMINTHEAPPLICATIONOFSCIENCEINTOTWOBASICQUESTIONSFIRST,TODESIGNPRODUCTSASASYSTEMTOPROCESS,TODETERMINETHEBESTOFITSCOMPONENTSMODULESANDTHEIRMUTUALRELATIONSANDTHEOTHERISTHEPRODUCTDESIGNPROCESSASASYSTEM,ACCORDINGTOTHEDESIGNOBJECTIVES,CORRECTANDREASONABLETODETERMINETHEDESIGNOFALLASPECTSOFTHEWORKANDTHEVARIOUSDESIGNSTAGEASEACHDESIGNERTOSTUDYISSUESANDTOCONSIDERTHEPERSPECTIVEOFTHEDIFFERENTEMPHASES,TODESIGNAPROGRAMMEOFSPECIFICRESEARCHMETHODSALSODIFFERHEREARESOMEREPRESENTATIVEOFTHESYSTEMATICDESIGNMETHODS11DESIGNELEMENTSOFWITHFIVEDESIGNELEMENTSFUNCTIONS,EFFECTS,EFFECTSOFVECTOR,SHAPEANDSURFACEELEMENTSPARAMETERSDESCRIBEDPRODUCTSOLUTIONTHATAPRODUCTDESIGNELEMENTSOFTHEFIVEIDENTIFIED,ALLTHECHARACTERISTICSOFPRODUCTSANDVALUECHARACTERISTICSALREADYIDENTIFIEDCHINESESCHOLARSHAVEALSOADOPTEDSIMILARDESIGNMETHODSDESCRIBEDPRODUCTOFTHEORIGINALUNDERSTANDING12GRAPHICALMODELINGLAWDEVELOPMENTOFTHEDESIGNANALYSISANDGUIDANCESYSTEMSKALEIT,WITHACLEARLEVELOFTHEGRAPHICDESCRIPTIONOFTHEPRODUCTSTRUCTUREANDFUNCTIONSRELATEDTOTHEABSTRACTINFORMATION,ANDTHESYSTEMSTRUCTUREANDFUNCTIONOFTHEGRAPHICALMODELING,ANDTHEFUNCTIONOFTHECONNECTIONBETWEENWILLBEASSISTEDDESIGNDIVIDEDINTOTWOMETHODSANDINFORMATIONEXCHANGE,THEUSEOFNIJSSENINFORMATIONANALYSISMETHODSCANBEUSEDGRAPHICSYMBOLS,WITHAVARIETYOFSEMANTICMODELSTRUCTURE,THEINTEGRATIONCANBEDESCRIBEDCONDITIONSCANBEDIVIDEDINTOBINDINGTYPE,CANRELATIONSBETWEENANYCOMBINATIONOFFEATURES,WILLDESIGNSOLUTIONSANDINFORMATIONTECHNOLOGYINTEGRATION,THEDESIGNPROCESSTOACHIEVEADIFFERENTLEVELOFABSTRACTIONOFINFORMATIONBETWEENTHEGRAPHICALMODELINGTHELITERATURE11SEMANTICNETWORKDESIGNASADESIGNTOOLINTHEDEVELOPMENTOFTHESEMANTICNETWORKDESIGNASK,USINGNODESANDANETWORKOFLINESDESCRIBINGTHEDESIGN,COMPONENTSOFTHENODETHATTHEUNITDESIGNTASKS,FUNCTIONS,COMPONENTSORPROCESSINGEQUIPMENT,ETC,ANDLINESUSEDTOADJUSTTHEDEFINITIONNODEBETWEENDIFFERENTSEMANTICRELATIONS,WHICHINTHEDESIGNPROCESSFORALLTHEACTIVITIESANDRESULTSOFPREBUILTMODEL,THEEARLYDESIGNREQUIREMENTSTOTHEDEFINITIONOFASPECIFICSTRUCTURECANBEDESCRIBEDBYTHERELATIONSHIPBETWEENTHEDEFINITIONOFTHEEXPRESSION,ANDACOMPUTERAIDEDDESIGNPROCESSFROMABSTRACTTOCONCRETELEAP13IDEADESIGNLAWWILLBEDIVIDEDINTOPRODUCTDESIGNCONCEPTANDDESIGNINTWOSTAGESIDEAPHASEOFTHEMISSIONISTOSEEK,SELECTANDDESIGNPORTFOLIOTOMEETTHEREQUIREMENTSOFTHEORIGINALUNDERSTANDINGOFTASKSDESIGNSTAGEOFWORKISTHECONCRETEREALIZATIONOFTHEORIGINALUNDERSTANDINGOFTHECONCEPTUALSTAGETHEPROGRAMMEWILLBEIDEASFORTHESPECIFICDESCRIPTIONACCORDINGTOASUITABLEFUNCTIONALSTRUCTURE,DESIGNEDTOMEETTHEREQUIREMENTSOFTHEMANDATEOFTHEORIGINALUNDERSTANDINGFUNCTIONALSTRUCTUREOFTHESUBFUNCTIONBYSTRUCTURALELEMENTSTOACHIEVE,ANDSTRUCTURALELEMENTSOFTHEPHYSICALCONNECTIONBETWEENTHEDEFINITIONOFFUNCTIONALCARRIER,FUNCTIONALCARRIERANDSTRUCTURALELEMENTSANDFORMATIONOFTHEINTERACTIONBETWEENTHEFUNCTIONALDIAGRAMMECHANICALMOVEMENTDIAGRAMPROGRAMMEOFDESIGNISBASEDONFUNCTIONALDIAGRAM,THEFIRSTQUALITATIVEDESCRIPTIONOFALLTHEFUNCTIONALCARRIERANDSTRUCTURALELEMENTS,THENALLTHEQUANTITATIVEDESCRIPTIONOFSTRUCTURALELEMENTSANDCONNECTINGPIECESFUNCTIONALVECTORTHESHAPEANDLOCATIONHAVETHESTRUCTUREOFROPER,HUSEOFGRAPHTHEORYTHEORY,THEHELPFROMHISDEFINITIONOFTOTALDESIGNUNITGE,STRUCTUREELEMENTSKE,FUNCTIONALSTRUCTUREELEMENTSFKE,CONNECTINGSTRUCTUREELEMENTSVKE,STRUCTURALPARTSKT,STRUCTURALELEMENTSPARTSKETCONCEPT,ANDDESCRIBESELEMENTSOFSIZE,LOCATIONANDTRANSMISSIONPARAMETERSOFTHERELATIONSHIPBETWEENTHENUMBEROFTHUMBS,THEDESIGNINTUITIVEDESIGNEXPERTSDESIGNSTAGEFROMTHEDESIGNMETHODOLOGYOFTHEPOINTOFVIEW,THEDESIGNTASKWILLBECLEARAFTERTHEDESIGNWORKISDIVIDEDINTOTHREESTEPS1ACCESSTOFUNCTIONSANDFUNCTIONALSTRUCTUREREFERREDTOASFUNCTIONAL,2FINDEFFECTSREFERREDTOASTHEEFFECT;TOFINDSTRUCTUREREFERREDTOASTHECONFIGURATIONOFTHERULESANDUSETHEFOLLOWINGFOURSTRATEGIESDESCRIBEDMACHINERYIDEASTAGEOFTHEPROCESSSTRATEGY1WERECONSIDEREDFUNCTIONALANDEFFECTANDCONFIGURATIONRULESTHEREFORE,WECANWORKINVARIOUSSTEPSTOCREATEVARIATIONSINTHERESPECTIVEPROGRAMMES,RESULTINGINTHEORIGINALUNDERSTANDINGOFTHEBROADSPECTRUMSTRATEGY2EFFECTANDCONFIGURATIONRULESINCLUDINGTHEDESIGNERTOCREATETHERULESASSOCIATION,TOCONSIDERASEPARATEFUNCTIONUSUALLYASSOCIATEDWITHTHEDESIGNTASKATTHISPOINT,TOIDENTIFYTHETYPICALCONFIGURATIONRULESANDTHEIREFFECTSNEEDTOHAVEAWEALTHOFEXPERIENCE,THEPROGRAMMESPECTRUMFARLESSTHANASTRATEGYOFTHEPROGRAMMESPECTRUMSTRATEGY3FUNCTIONALANDEFFECT,CONFIGURATIONRULESARECLOSELYRELATEDAPPLICABLETOTHEFUNCTION,ANDTHECONFIGURATIONOFTHERULESOFNOCHOICE,WITHSPECIALREQUIREMENTSOFTHEAREAS,SUCHASULTRASMALLMACHINERY,LARGEMACHINERY,HIGHVALUEFUNCTIONPARTS,ANDTHOSEWITHSPECIALREQUIREMENTSOFTHEFUNCTIONALCOMPONENTS,ANDSOONSTRATEGY4INVIEWOFTHESTRUCTURALDESIGNREQUIREMENTSOFTHESOLUTIONTHESTRATEGYSTARTINGFROMTHEEXISTINGPARTS,THROUGHDIFFERENTPARTSOFTHEORDERANDCONNECTION,WASEXPECTEDTOFUNCTION14MATRIXDESIGNINTHEPROGRAMMEDESIGNPROCESSUSEDINREQUIREMENTTOLOGICTREEORTREEDESCRIBEDREQUIREMENTS,THERELATIONSHIPBETWEENTHEFUNCTION,TOSATISFYTHEREQUIREMENTSOFFUNCTIONALDESIGNSOLUTIONSET,ADIFFERENTDESIGNACCORDINGTOREQUESTTOLOGICTREEESTABLISHMENTOFAREQUESTTOASSOCIATIONMATRIX,MEETTHEREQUIREMENTSNECESSARYTODESCRIBETHECOMPLEXRELATIONSHIPBETWEENFUNCTION,EXPRESSEDFUNCTIONALREQUIREMENTSANDTHERELATIONSHIPBETWEENTHEONETOONEOTAETALWILLMATRIXASAMECHANICALSYSTEMDESIGNBASIS,THEMECHANICALSYSTEMDESIGNSPACEASAFUNCTIONALDECOMPOSITIONOFSPACE,ONLYTHATEACHSUBSPACEDESIGNOFAMODULE,INTHEABSTRACTPHASEOFTHEHIGHLEVEL,WITHEACHMODULEDESIGNMOVEMENTCONVERSIONMATRIXANDAVECTORFORTHEOPERATIONOFRESTRAINTTHATINTHEABSTRACTPHASEOFTHELOWRISE,EACHMODULEDESIGNPARAMETERSWEREEXPRESSEDASAMATRIXANDTHEEQUATIONOFMOTION15BONDGRAPHLAWWILLFORMASYSTEMCOMPONENTSINTOTHEFUNCTIONTOGENERATEENERGY,ENERGYCONSUMPTION,CHANGINGENERGYFORMS,SUCHASVARIOUSTYPESOFENERGYTRANSMISSIONANDUSEOFBONDGRAPHOFTHEFUNCTIONOFTHECOMPONENTSTHATWILLBEBASEDONTHEFUNCTIONSOFTHEMODELANDBONDINGWITHPLANSTOACHIEVEFUNCTIONALTHEAUTOMATICGENERATIONOFSTRUCTURALANDFUNCTIONALSTRUCTUREANDBONDINGBETWEENTHEAUTOMATICCONVERSIONPLANSTOSEEKBONDGRAPHGENERATEDBYANUMBEROFDESIGNMETHODS2,MODULARDESIGNSTRUCTUREFROMTHEPERSPECTIVEOFPLANNINGPRODUCTSTHEDEFINITIONOFITSMANDATETODESIGNFEATURESOFTHEPRODUCTSTRUCTUREISBASEDONTHEUSEOFEXISTINGPRODUCTSSUCH

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