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简介：Anoptimumdesignapproachtoreverse-flowcyclonesbasedontheconceptofoptimizingcyclonedimensionsisintroducedinthispaper.Thisapproachinvolvesoptimizingcyclonedimensionsbycategories,calculatingcycloneperformancebycorrelatingsimilitudenumbersandoptimizingthecombinationoffourcycloneparameters,D1KA1dr^-andvi,whichhasbeenproventobeapplicablenotonlyforsingle-stagecyclone,butalsoformultistagecycloneseparators.ApplicationsofthedesignedcyclonesinFCCunitsandacrylonitrilereactorsarealsopresented.

简介：Thedefinitionsandpurposesofenergysystemsandprocesssystemsarecomparedinthispaperbyconsideringtheroleofenergyinsystemswithemphasisonthedifferencesinthemethodsusedtooptimizetheexergoeconomicbenefitsofbothtypesofsystems.TheprocesssystemexergoeconomicrelationshipprimarilyincludetheestablishmentoftheThree-linkmodelofprocesssystems,thecompositionofobjectivefunctions,andthecorrespondingboundaryconstraintconditionsforoptimization.TheThree-Link-Method(TLM)whichisbasedonexergoeconomics,canbeusedtoeffectivelyoptimizeprocesssystems.TheTLMusedtooptimizeprocesssystemsisoutlinedinthispaper,Someaspectswhichneedfurtherdevelopmentarealsoidentified.

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简介：BasedontheframeworkofBSP,aHierarchicalBulkSynchronousParallel(HBSP)performancemodelisintroducedinthispapertocapturetheperformanceoptimizationproblemforvariousstagesinparallelprogramdevelopmentandtoaccuratelypredicttheperformanceofaparallelprogrambyconsideringfactorscausingvarianceatlocalcomputationandglobalcommunication.TherelatedmethodologyhasbeenappliedtoseveralrealapplicationsandtheresultsshowthatHBSPisasuitablemodelforoptimizingparallelprograms.

简介：Inthispaper,atrustregionmethodforequalityconstrainedoptlmizationbasedonnondiferentiableexactpenaltyisproposed.Inthisalgorithin,thetrailstepischaracterizedbycomputationofitsnormalcomponentbeingseparatedfromcomputationofitstangentialcomponent,i.e.,onlythetangentialcomponentofthetrailstepisconstrainedbytrustradiuswhilethenormalcomponentandtrailstepitselfhavenoconstraints.Theothermaincharacteristicofthealgorithmisthedecisionoftrustregionradius.Here,thedecisionoftrustregionradiususestheinformationofthegradientofobjectivefunctionandreducedHessian.However,Maratoseffectwilloccurwhenweusethenondifferentiableexactpenaltyfunctionasthemeritfunction.Inordertoobtainthesuperlinearconvergenceofthealgorithm,weusethetwiceordercorrectiontechnique.Becauseofthespecialityoftheadaptivetrustregionmethod,weusetwiceordercorrectionwhenp=0(thedefinitionisasinSection2)andthisisdifferentfromthetraditionaltrustregionmethodsforequalityconstrainedopthnization.Sothecomputationofthealgorithminthispaperisreduced.Whatismore,wecanprovethatthealgorithmisgloballyandsuperlinearlyconvergent.

简介：Thispaperconiesupwithanewideathattriestooptimizetheperformanceofimagesegmentationalgorithmsbasedontheirobjectiveevaluationknowledge.Aprototypeexpertsystemisdesignedandimplementedaccordingtothisidea.Kxperimentalresultsindicatethatthissystemisfeasibleandpractical.Thisideaalsooffersanefficientapproachforalgorithmoptimizationofimageprocessingandanalysis.

简介：BasedondifferentequationofCobb-Douglasproductionfunction,themodelofregulatingregionaleconomyonthemultiobjectiveoptimizationofefficiencyandequityissetup,withthespatialdistributionstrategyofcapitalandlabourforceasthecontrollingvariable.Twobasicconclusionsdrawnfromthemodelarestrictlydemonstrated:①Acountry＇seconomicdevelopmentisdecidedbytheconsistencybetweentheregionaldistributivestrategyofincrementinvestmentandtheregionaldifferenceinmarginalinvestmentrevenue.②Thecoupletargetsofefficiencyandequityarestrictlyinconflictwitheachother,ifandonlyifthemarginalinvestmentrevenueinthedevelopedregionsishigherthanintheundeveloped,otherwisethetargetsareconsistent.

简介：Anintervaloptimizationmethodforthedynamicresponseofstructureswithintervalparametersispresented.Thematricesofstructureswithintervalparametersaregiven.Combiningtheintervalextensionwiththeperturbation,themethodforintervaldynamicresponseanalysisisderived.Theintervaloptimizationproblemistransformedintoacorrespondingdeterministicone.Becausethemeanvaluesandtheuncertaintiesoftheintervalparameterscanbeelecteddesignvariables,moreinformationoftheoptimizationresultscanbeobtainedbythepresentmethodthanthatobtainedbythedeterministicone.Thepresentmethodisimplementedforatrussstructure.Thenumericalresultsshowthatthemethodiseffective.

简介：Thispaperderivesfirstordernecessaryandsufficientconditionsforunconstrainedconed.c.Programmingproblemswheretheunderlinedspaceispartiallyorderedwithrespecttoacone.Theseconditionsaregivenintermsofdirectionalderivativesandsubdifferentialsofthecomponentfunctions.Moreover,conjugatedualityforconed.c.Optimizationisdiscussedandweakdualitytheoremisprovedinamoregeneralpartiallyorderedlineartopologicalvectorspace(generalizingtheresultsin[11]).

简介：为解决抑制nonsmooth优化问题介绍一个不精确的信任区域算法。算法的全球集中；算法上的假设；在批评的点和静止的点之间的关系。

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简介：Wepresentthreeopencombinatorialoptimizationproblemsfromthestandpointofcompetitiveanalysis,inthecasethatthereisnocompleteinformation.

简介：Thispaperproposesasemi-greedyframeworkforoptimizingmulti-joinqueriesinshared-nothingsystems.Theplangeneratedbytheframeworkcomprisesseveralpipelines,eachperformingseveraljoins.Theframeworkdeterminesthe“optimal”numberofjoinstobeperformedineachpipeline.Thedecisionsaremadebasedonthecostestimationoftheentireprocessingplan.Twoexistingoptimizationalgorithmsareextendedundertheframework.Ananalyticalmodelispresentedandusedtocomparethequalityofplansproducedbyeachoptimizationalgorithm.Ourstudyshowsthatthenewalgorithmsoutperformtheircounterpartsthatarenotextended.

简介：Forthepurposeofreducingthevolumetricshrinkageandvolumetricshrinkagevariation,theprocessininjectionmoldingofasphericplasticlenswassimulated,andseveralprocessparameterswhichincludeholdingpressure,melttemperature,moldtemperature,filltime,holdingpressuretimeandcoolingtimewereoptimizedbyusinganorthogonalexperimentaldesignmethod.Finally,theoptimumprocessparametersandtheinfluencedegreeofprocessparametersontheaveragevolumetricshrinkageandthevolumetricshrinkagevariationareobtained.

简介：Thispaperputsforwardtheconceptoflandusestructureoptimizationunderspacetimecouplingthroughanalyzingthesystematiccharacteristicoflandusestructureoptimization.Itmainlyexpoundstheconstructionoflandusestructureoptimizationmodelatdifferentlevels.Lastly,thispaperexplainsthepracticablenessoflandusestructureoptimizationundersystematicframeworkthroughtheexampleofQionghaicity.

简介：Thestructureoftheoptimalsolutionsetisderivedforlinearfractionaloptimizationproblemswiththerepresentationtheoremofpolyhedralsets．Andthecomputationalprocedureindeterminingalloptimalsolutionsisalsogiven．

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简介：Theproblemofrobustdesignistreatedasamulti-objectiveoptimizationissueinwhichtheperformancemeanandvariationareoptimizedandminimizedrespectively,whilemaintainingthefeasibilityofdesignconstraintsunderuncertainty.Toeffectivelyaddressthisissueinrobustdesign,thispaperpresentsanovelrobustoptimizationapproachwhichintegratesmulti-objectiveoptimizationconceptswithTaguchi'scrossedarraystechniques.Inthisapproach,Pareto-optimalrobustdesignsolutionsetsareobtainedwiththeaidofdesignofexperimentset-ups,whichutilizetheresultsofAnalysisofVariancetoquantifyrelativedominanceandsignificanceofdesignvariables.Abeamdesignproblemisusedtoillustratetheeffectivenessoftheproposedapproach.

简介：Thebasicprobleminoptimizingcommunicationnetworksistoassignapropercircuitforeachorigindestinationpairinnetworkssoastominimizetheaveragenetworkdelay,andthenetworkoptimalrouteselectionmodelisamulti-constrained0-1nonlinearprogrammingproblem,Inthispaper,anewstochasticoptimizationalgorthm,ImmuneAlgorithm,isappliedtosolvetheoptimizationproblemincommunicationnetworks,AndthebackbonenetworkvBNSischosentoillustratethetechniqueofevaluatingdelayinavirtualnetowrk.Atlast,IAiscomparedwiththeoptimizationmethodincommunicationnetworksbasedonGeneticAlgorithm,andtheresultshowsthatIAisbetterthanGAinglobaloptimumfinding.