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ID:32064557
大小:2.95 MB
页数:55页
时间:2019-01-31
《粒子群优化算法的若干改进与应用》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、Inthispaper,thestudyofparticleswarmoptimizationalgorithmsignificance,andthenwiththeintroductionofPSOstudysomebaslcquestions,includingthebasicconceptsofoptimizationandclassltlcatlonmethods.Subsequently,fromthebasicstructureofPSOalgorlthm,theaIgor.ithmfeaturestoimprovethemethodsofimplementati
2、onmodelsandapplicationsysternstodomoreresearch.Themainresearchcontentofthefollowingareas:.PSOaIgorithrnfortheexistinglocalextremumvulnerable,slowconvergenceandpooraccuracydeficiencies,amethodofaslmPlltled'mainlvforthecharacteristicsofparticleswarmoptimizationandthecharacteristicsoftheformul
3、aitself,thestandardalgorithmPronetoprematureconvergenceandpoorperformancecharacteristicsofthegIobalconvergence,andsomeothermethod,oftenmakingchangesinmorecomplexaIgorithms,inordertoavoidtheseproblems·Theuseofasimplifiedidea,onetypeoffunctionfortheoptimizationproblemcanbesimpliftedcalculatio
4、n,theuseofsimplifiedPSOwithinertlawelghtcorrespondingtobreakthroughtheclassicalalgorithmofinertlawelghtrange,throughthesimulationresultsachievedgoodresults·Chaosasawide.rangingnatureofnonlinearphenomena,random,ergodicity,sensitivitytoinitialconditions,withstabilityandlnstabl11tY,thelong-te珊
5、behavioroftheunpredictabilityofthecharacterlstlcsoioptimizationproblemsforcharacteristicsofchaoticseriesusedtoinitializethepositionandspeedofparticles,nottochangetheparticleswarmoptimizationalgorithmisinitializedwiththetimeoftherandomnatureoftheuseofchaosandenhancethediversityofspeciesandpa
6、rtlclesearchergodicity,atalargeamountoftheinitialgrouponthebasis0fmerlttromtheinitialgroups.Atthesametimeiterationintheevolution,therearequestionsprecociousalgorithmcanintroduceachaoticsequenceofsearchaIgorithmscanbegeneratedintheiterativeoptimalsolutionofanumberotlocalneighborhood,theinert
7、particlestohelpescapefromlocalmlnlmumpointsandfastsearchtotheoptimalsolution·PSOaIgor·ithmbasedontheexistenceofthebackeasllyIntolocaloptimization,prematureconvergenceproblemappears,manystudlesnaVefocusedontheparametersofinertiaweightontheimprovement,beca
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