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An+analytical+method+to+calculate+station+evacuation+capacit

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导读: J.Cent,SouthUniv.(2014)2l:4043—4050DoI:10,1007/s771.014—2393.6 鱼sp—nge’ AnanalyticalmethodtocalculatestationeVacuation xu

J.Cent,SouthUniv.(2014)2l:4043—4050DoI:10,1007/s¨771.014—2393.6

鱼sp—nge’

AnanalyticalmethodtocalculatestationeVacuation

xu

1.stateKey

capaci够

xin—yue(许心越)1一,LIUJun(刘军)2,LIHai.ying(李海鹰)1,zHOUY抽.fallg(周艳芳)3

LaboratouofRailTrafficc衄trol&Saf-e吼BeijingJiaotonguniVersi劬Bejjingl00044,China;2.SchoolofTramcandTransportation,BeijingJiaotongUniVersit),,Beijing100044,China;

3.ResearchInstituteofHighwayofMinistry

of’11ransport,Beijing

100088,China

◎Cenn|alSouthUniversi够PressandSpringer.V.erlagBerlillHeidelbe唱2014

theoptlmalroutmgproblemma91Ven

stationtopology行omanetworkoptimizationperspectivewherestationfacilitiesweremodelledasopenfinitequeueingnetworks

ofeVacuatlonwithamum.obiectivesetofpeffomlancemeasIlres.TheoptimalmutingpmbIemwasdeternlinedsothatcheAbstract:Themaiorobiectiveofthisworkwastocalculateevacuation

c印acity锄d

soIVe

n啪ber

certainc^terion.Ananal”icaltecllIliqueformodellingopen

行nitequeueingnet、Ⅳorks,calledtheiterationgeneralizedexpansionmethod(IGEM),wasutilizedtocalculatethedesiredoutputs.Adifrerentialevolutionalgorithmwaspresentedfordetemliningmeoptimalroutes.Asdemons仃ated,thedesignmethodologywhlchcombinestheoptimizationandanalyticaIqueueingnetworkmodelspmvidesaveryefrectivepmcedureforstmuItaneousIy

passengers

wasmaximizedwhilemeservicelevelwas

hi曲er

than

dete如1iningthese“icelevelandmemaximumnumberofevacuatlonpassengers

1nthebesteVacuatlonroutes.

Keywords:evacuatjonc印acity;subwaystation;servicelevel;optimalrout访g;queuingnetwork;geneticalgorimms

con仃ol

volumemodelby

werefocusedmore

plan,and

the

WU

on

et

al【1].Macroscopic

check

the

passage

1Introduction

Thecons缸uctionofmesubwaV

inChinais

recent

aspects

theevacuationstrate91es,

to

evacuation

in

way

capacityandcalculatetheevacuationtime.Asimulationmodelofanevacuationprocessbasedmodel,which

can

on

periodofanunprecedenteddevelopmentinThepassengerS

are

years.

meagent—based

inhigh

densitywithinthesubway

attractedmore

andmore

beusedforstudyingtheoccupant

d嘶ng

safbty

meoperationtimeaIldmeproblemofoccupantin

emergencieshas

evacuationbehaviorarldevacuationtime,wasdevelopedbySHImodels

attentionsfl—21.Theseresearchworksmainlyinv01vedmebehaviomlaIldpsychoIogicalfeaturesofpassengersinsu_bwa,儿whichdevelopsevacuationmodelsandcalculationmethods.

Basically;theoccupantevacuationintotwo

aspects.

can

al[2].AmemodologycombiIlingeVacuationwithnum蜊calteclllliquesusedintheoperatjon

et

researchneIdwasdevelopedbyL@ARESandGALEA『61.

Moreover,

database

on

occupant’s

behavior

software

is

or

particularly

bedivided

desiderated

f.0revacuation

engineeringassessment.HoweVef'themodelwasonly矗tforthenxedmuting,andthespeci6ccharacteristic

so

m萄orcategories:macroscopic

The

andmicroscopicrelatedto

as

farthereis

no

researchon

microcosrnic

aspect

isthe

ofthe

subway

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as

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