混沌优化理论、控制及方法研究

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1、北京交通大学硕士学位论文混沌优化理论、控制及方法研究姓名：韩芳申请学位级别：硕士专业：机械电子工程指导教师：王爽心20060101北京交通大学硕lj学位论义AbstractChaosisoneofforefbntproiectsaIldimportantissucs，趾doptimizationatldcontrolaretwoimponalltaspectsofitsapplication．In血isthesis，researchworksfocusonchaoso口timizationandchaoscomrol，withmelatt

2、eronediscussedrelativelybrieny．ChaosoptimizationisanoveloptimaltechniqueandthestudyfocusonexploTingitsoptimizationp仃tential时anden百neeringapplication．kthismesis，someopinionsongeneralpmblemsofchaosoptimizationmethodsaIldcorrespondingsolutionsaregiven．TWotypicalchaosoptiIniz

3、ationalgOritllmsareimpmvedandanalyzed．Theimprovedonesarecombinedwithpracticalengineeringproblems，whichcangiveeffectiVeguidancetoengineeringpractice．Themaincomributionofthisthesisisasfollows：1．Chaoticdynamicsandchaosoptimiz砒ionttleoriesareexpatiated如llyandsystematically．11

4、1eLyapunoveXponemofLogisticm印a11ditsperiod—doublingbimrcationtochaosarequamitativelyanalyzed．Ergodicityandstochasticprobability、vhenlogisticm印isinchaosstatearestudiedatlen百h，whichprovidestheoreticbasisforchaosglobaloptimization．2．Bvanalvsisandconclusionofanumberofchaosopt

5、imizationmemods，2enerallyexistedproblemsinthemarediscusseda11dsomesolutionsareproposed．Thisishelpfulforfurtherstudyonchaosoptimization．3．Twoabsolutechaossearchalgorimmsareimpmveda11dtheperfb舯anceofmeimprovedonesisanalyzedindctailaccordingtonumericsimulation．4．Oneoftheimpr

6、ovcdalgor“hmsisappliedtodiⅡbrentscalespowersvstemexamDlesofeconomicloaddispatch，withvalvepointa11dtransmissionlossconsidered．Theresultsshowthattheimprovedalgorithmisbetterthallothers．Atmes锄etime，anotherimpmvedalgorit№isimmducedtoparameteridentificationofstaticloadmodeland

7、meresultsshowthatthemethodise&ctiveinthisarea．AlIoftlleworkexpandstheapplicatlonareaofchaosoptimizationandrevealsitse丘bctivenessandpracticalityinpractice．5．ChaoscontroHingme伯odsareintroducedbrieny．Asimulationex啪pleofchaoscontrolis酉venbyusingpassiveequiValencemeorytocontml

8、chaoticmodelofpen】1a11em—magnetsynchronousmotors．Keywords：cllaos；chaosoptimization；chaosconⅡDl；e