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基于改进社会力模型的行人复杂运动行为仿真研究的开题报告.docx

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基于改进社会力模型的行人复杂运动行为仿真研究的开题报告 Abstract Inrecentyears,thestudyofpedestrianbehaviorsimulationhasbeenrapidlydevelopedduetoitswiderangeofapplicationsinpublicsafety,urbanplanningandtransportationsystems.However,thecomplexityofpedestrianbehaviorhasbroughtmanychallengestothesimulation.Thisresearchproposedanimprovedsocialforcemodel(ISFM)toimprovetheaccuracyofpedestrianbehaviorsimulation.TheISFMintegratessocialrelationshipsintothesimulationandadjuststhepedestrian’smotiondirectionbasedonthedegreeofintimacybetweenpedestrians.ThesimulationresultsshowthattheISFMcaneffectivelyrepresentthepedestrian’scomplexbehavior,andthepredictionaccuracyissignificantlyimprovedcomparedwiththetraditionalsocialforcemodels. 1.Introduction Pedestrianbehaviorsimulationhasbeenwidelyusedinmanyfieldssuchaspublicsafety,urbanplanning,andtransportationsystemdesign.Inrecentyears,withthedevelopmentofartificialintelligenceandbigdatatechnologies,thepedestriansimulationhasalsobeencontinuouslyimproved.However,thecomplexityofpedestrianbehaviorhasbroughtmanychallengestopedestriansimulation.Traditionalsocialforcemodels(SFM)havebeenwelldeveloped,buttheyhavelimitationsinrepresentingthecomplexsocialrelationshipsbetweenpedestrians.Therefore,animprovedsocialforcemodel(ISFM)thatintegratessocialrelationshipsintothesimulationisproposedinthisresearch.Thisstudyaimstoimprovetheaccuracyofpedestrianbehaviorsimulationandprovidetheoreticalsupportforpublicsafety,urbanplanning,andtransportationsystemdesign. 2.LiteratureReview ThesocialforcemodelproposedbyHelbingin1995isthemostwidelyusedpedestrianbehaviorsimulationmodel.SFMmainlyconsidersthreefactors:thetendencyofpedestrianstomoveforward,therepulsioneffectbetweenpedestrians,andtheattractioneffectofthetarget.SFMhasbeenproventobeeffectiveinsimulatingpedestrianbehaviorinmanycases.However,thetraditionalSFMdoesnotfullyconsiderthesocialrelationshipsbetweenpedestrians,suchasfriendliness,intimacy,orhostility.ManystudiesattemptedtoimproveSFM,suchastheimprovedsocialforcemodels(ISFMs)proposedbyZ