支持向量机及其应用于感应加热装置优化设计的研究

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1、河北工业大学博士学位论文支持向量机及其应用于感应加热装置优化设计的研究姓名：富坤申请学位级别：博士专业：电工理论与新技术指导教师：汪友华20071101支持向量机及其应用于感应加热装置优化设计的研究RESEARCHFORSUPPORTVECTORMACHINEANDITSAPPLICATIONTOTHEOPTIMALDESIGNOFIUDUCTIONHEATINGEQUIPMENTABSTRACTSupportvectormachine(SVM)isanewmethodformachinelearnin

2、g.Itisanewmilestoneinthefieldofintellectualcomputationaftertheartificialneuralnetmethod.SVMisbasedonstrictlyjustifiedstatisticalstudyingtheory.Withthismethod,thedatafromsamplingspacearemapedtohigherdimensionalcharacteristicspacebythekernelfunctions,andth

3、enthenonlinearproblemcanbeconvertedintolineardivisibleproblemtogetoptimumrelation,whichisagreatinnovationinthemethodology.SVMhasrigorousmathematicfoundation,andthetrainingresultjusthasrelationshipwithSupportVectors.ThusSVMbecomestheimportanttoolforsolvin

4、gnonlinearproblem.Therefore,itisofbroadlyconcernedinthefieldofintellectualcomputationandbroadlyusedinPatternClassificationandRegression.BasedongoodunderstandingoftheSVMtheoryandalgorithm,thispaperdiscussedtheoptimaldesignproblemoftransversefluxinductionh

5、eating(TFIH)devicesforcontinuouslymovingstrip.Inordertoanalyzethereasonsresultinginprematurityinthegeneticalgorithm(GA)runningprocedure,thepopulationstatisticalcharactersincludedintergenerationshammingdistanceetc,weredynamicallyextracted.Thechangingrules

6、ofthesecharacterswereanalyzedandpredictedbySVM.Theresultsindicatedthepopulationstatisticalcharactershadinnerrelationshipwithprematurity.Becausethepopulationstatisticalcharactershadglobalregularity,localirregularityanduniversality,theoptimizationstrategyw

7、asimprovedintheglobaltrendandlocalperformance.Theconvergencerateoftheimprovedalgorithmhadbeenincreased,andtheprematuritycouldbeeffectivelyavoided.TheoptimaldesignproblemofTFIHdevicesforcontinuouslymovingstripinvolvesthree-dimensionalcoupledfieldcomputati

8、onofeddycurrent,temperatureandthedesignofii河北工业大学博士学位论文globaloptimization.Themathematicalsimulationoftheproblemwasdone,andtheeddycurrentfieldonthestripwasgiven.Inordertocalculatetemperaturefieldcausedbyeddycurrentfield,the