An+analytical+method+to+calculate+station+evacuation+capacit
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
a
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
a
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
station.In
as
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