群体智能优化算法在精密工程计算中的应用

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1、AbstractAbstractMostoftheintelligenceoptimizationalgorithmswereproposedandquicklythdevelopedinthe20century.Theyhaveprovidedausefultooltosolvethecomplexoptimizationproblems.Howeverbecauseofthevarietyofalgorithmsandcomplexityofproblemstosolve,itisstillahottopicof

2、howtoadoptasuitablealgorithmtosolveanoptimizationproblem.Aimingatthenonlinearissuesintheprecisionmechanicalengineering,twooptimizationalgorithmshavebeenstudiedindetailsincludingGeneticAlgorithm,GA(ofwhichagroupofindividualstakepartintheoptimization)andParticleS

3、warmOptimization,PSO.SomeoptimizationproblemsinprecisionmechanicalengineeringhavebeensolvedusingGAandPSObasedontheresearchoftheirprinciplesandimplementationtechniques.Thecontentsincludedthat:(1)firstthepresentresearchbackgroundisreviewedandthetheoriesofGAandPSO

4、arediscussedandtheirimplementationtechniquesaretalkedandcompared;(2)afewproblemsareanalyzedfromthemechanicalengineeringsuchasstructuresdesign,geometricalerrorevaluationandscanningcontrol,ofwhichtheobjectivefunctionsandvariablesarededucedforcomputationusingoptim

5、izationalgorithms;(3)finallysomeexamplesareselectedtoverifiedthemethods.Thetheoreticalanalysisandexperimentalverificationmethodsareadoptedintheresearch.Inthestudy,animprovedimagesgrayvariancefunctionisutilizedtodeterminationofautofocusinginthescanningwhitelight

6、interferometry.AndanadaptiveweightduringtwoperiodswasadoptedinthePSOalgorithm.Theresearchworkwasfulfilledbyusinganeasyunderstandinglanguagetoanalyzethebasicprinciplesandimplementationtechniquesoftwooptimizationalgorithms.Sometypicalexampleswerechosetobesolvedby

7、thetechniques,whichplaysacriticallyimportantroleintheoriesandpractice.KeyWords:SwarmIntelligenceGeneticAlgorithm(GA)ParticleSwarmIII华侨大学硕士学位论文Optimization(PSO)MechanicalEngineeringOptimizationProblemIV目录目录第1章引言...................................................

8、..............................................................11.1课题的提出和选题背景...................................................................................11.2群体智能优化算法国内