简介：Asaconvenientpassengertransitfacilitybetweenfloorswithdifferentheights,escalatorshavebeenextensivelyusedinshoppingmalls,metrostations,airportterminals,etc.Comparedwithotherverticaltransitfacilitiesincludingstairsandelevators,escalatorsusuallyhavelargetransitcapacity.Itisexpectedtoreducepedestriantravelingtimeandthusimprovethequalityofpedestrian'sexperiencesespeciallyinjammingconditions.However,itisnoticedthatpedestriansmaypresentdifferentmovementpatterns,e.g.,queuingoneachstepoftheescalator,walkingontheleft-sideandmeanwhilestandingontheright-sideoftheescalator.Thesedifferentpatternsaffecttheactualescalatortrafficvolumeandfinallythepassengerspatiotemporaldistributionindifferentbuiltenvironments.Thus,inthepresentstudy,amicroscopiccellularautomaton(CA)simulationmodelconsideringpedestrianmovementbehavioronescalatorsisbuilt.Simulationsareperformedconsid-eringdifferentpedestrianmovementspeeds,queuingmodes,andsegregationonescalatorswithdifferentescalatorspeeds.Theactualescalatorcapacitiesunderdifferentpedestrianmovementpatternsareinvestigated.Itisfoundthatwalkingonescalatorswillnotalwaysbenefitescalatortransitvolumeimprovement,especiallyinjammingconditions.