Mg合金智能設計系統開發(fā).pdf

1、南京航空航天大學碩士學位論文Mg合金智能設計系統開發(fā)姓名：王湖皎申請學位級別：碩士專業(yè)：機械設計及理論指導教師：劉蘇20070301Mg合金智能設計系統開發(fā)iiABSTRACTStudyonMagnesiumalloysisoneofhottestresearchfieldsinrecentyears.Materialdesignisanadvancedstudyinmaterialscience.Artificialintellige

2、ncedesignsystemofMagnesiumalloyswhichisapracticalapplicationofartificialneuralwkinmaterialdesignhasbeendevelopedtoacceleratethedevelopmentofMagnesiumalloys’studyinChina.Basictheyofmaterialdesignartificialneuralwkarediscu

3、ssedtoprovethenecessitypositivevalueofdevelopingthissystem.Accdingtotheneedanalysispopulationstructurewasdesignedrealizationmethodofthissystemwased.AtpresenttherearethreepartsinthissystemincludeingMagnesiumalloysdatabase

4、RBFwkmanmachineinterface.MicrosoftSQLServer2000JBuilder9Matlab7.1areadoptedasdevelopmentimplements.InalgithmicstudyfirstlythebasaltheyofRBFwkisanalysedincisively.SecondlynewrbfunctionKmeansvalueclusteralgithmGAPalgithmCV

5、SalgithmGeicalgithmwhichareusedtoertainthewk’sparametersarediscussed.ThirdlyspecificallyfRBFwk’sparameters’acterfiveoptimalalgithmsareproposedwhicharecombinedwithsomealgithms’goodpoints.Intheaspectofsystemrealizationthis

6、systemisdevelopedwithvarioussoftwares.EspeciallyJMatLinkisadoptedtorealizeJavacallingprogramswrittenwithMatlabdirectlywhichfullyutilizesJava’sadvantagesMatlab’spowerfulDatahlingabilityplentytoolcasefunctions.Inthissystem

7、somepotentialnonlinearlawssuchastheimpactofalloys’compositivechemicalelementsoverpropertiesaredetectedbycalculatingthoseexperimentaldatabecauseofartificalneuralwk’snonlinearacter.ArtificialintelligencedesignofMagnesiumal