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ID:31959903
大小:4.77 MB
页数:70页
时间:2019-01-29
《改进粒子群优化算法在路径优化中的应用》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、AbstractWiththedevelopmentofartificialintelligence,theapplicationofrobots(suchas"Industrial,agricultural,medical,aerospace.etc.)ismoreandmorewidelyinmodemliferecently.Pathplanningisthemostbasicpartfortherobotstoimplementalloperations,whoseessenceistofinda
2、path,whichissatisfiedsomecertaincriteriaa11dh2Lsnocollisionwithallobstaclesfromthestarttotheend,intheenvironmentfullofobstaclesaccordingtosomecriteria(suchas:theshortestpath,lesstimeconsuming,securityandSOon).Inthistask,thisproblemisdiscussedfromthefollow
3、ingaspects:(1)Environmentofoptimization:Generally,theenvironmentforpathplanningusuallycontainsstaticenvironmentanddynamicenvironment.Staticenvironmentdescribesthatobstaclesdon’tchangewithtime,whileobstaclesvarywiththechangeoftimeindynamicenvironment.Thist
4、askisbasedonthebasistostudythegeneralprocessofpathplanningunderstaticenvironment·(2)Processofproblems:Thereisalwaysnotonlyaoptimizedcriterionforpathplanningproblemsandsecurityandtheshortestpathareregardedasmaincriteriawinthistopic.ThesetwocriteriaCanbetak
5、enasawholeobjective,whichisatotalpenaltyfunctiontoevaluatetheproblem.Inthepreviouslywork,astaticpenaltyfunctionisusedtodescribetheproblem,whiledynamicconstraintmethodsareemployedtoovercomethedrawbackofstaticpenaltyfunctioninlaterperiod.0ntlleotherhand,mul
6、ti.objectiveoptimizationisappliedtodeal、析ththiskindofproblemformorethanoneevaluation.Becausesecurityandtheshortestpatharecontradictoryandcall’tbesatisfiedatthesametime,somemethodsshouldbeproposedtomeetthedemandofdifferentusers,sothesecriteriaareregardedas
7、multi-objectiveprobleminlaterperiodwork.Multi.objectiveoptimizationcouldoptimizeafewobjectivessimultaneouslyandCoordinatethesegoals,andthealgorithmwillgenerateagroupofParetooptimalsolutionseverytimeforthedesigner,SOusercarlselectthesuitablesolutionsaccord
8、ingtotheirneedforcriteria.IIIAbslract(3)Selectionofcurve:Toensurethegeneratedpathsmoothnessiscriticalconditionintheprocessofduringtherobotnavigationforpathplanning.Mostofresearchersareconcentratedonfmdingtheshortest
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