Theproblemisbasedontheaboveresults.Combinedwiththeestablishmentof
thespecialdirectline,adjustmentofdeparturetimeandeconomicandsocial
benefits,aletteriswrittenbasedontheresultsofanalysistoadjusttheinterval
betweentrainsorbuildaspecialdirectline.theContentsoftheletterareasfollows:
DearMayor:
Hello!
WearestudentsofsomeuniversityinXi'an.Inordertocreateabeautifuland
civilizedXiantogether,weinvestigatetheconditionofthesubwaystation.According
tothephenomenonlikethegreattrafficandlongtimebetweenfarawayplaces
drive,theanalysisinmathhasbeencarriedon.Wefoundthatincreasingtheshuttle
linesandadjustingtheintervalbetweentrainscaneffectivelysolvetheproblem
above.Theconcreteanalysisisasfollows:
Inordertosolvetheproblemofpassengersmakingtraveltodistantareasina
longtime,weputforwardtheideaofestablishingadirectlineandwescore3
feasibleroutesbycalculatingcomprehensiveindexwhichisbasedondistance
andpassengerflowvolume.Onthisbasis,bycalculatingthetotaltimeofallsitesto
allsitestocomparetherealdecrementofpassengers.Theoriginalsubwaycosttotal
timeof3686.8min,andthebestrouteofthreelinescosts3312.5min,whichcan
reduce374.3min.SothedirectlinebetweenadministrationcenterandAerospace
townshouldbesetuptosolvetheproblemoflongtime.
Aimedattheproblemsofgreattraffic,theestablishmentoftheabovespecialline
canease,butbyadjustingtheintervalbetweentrainscansolvethisproblembetter.
Afteradjustingtheintervalcan’tbelessthantheshortestdepartureintervalwhichis
80s.Wenotonlyconsiderthepassengers'comfort,butalsocarryingefficiencyofa
train.Bycalculatingwithmulti-objectiveoptimization,theintervalinthepeakcanbe
changedfrom3minutesto2minutesand7seconds,whichcanmeetthedemandof
thepublicandcan’tmakethetrainspacewaste.
Accordingtotheaboveadjustment,byaccessingtoinformationandcalculating
withdata,wefindthatestablishingspeciallineandadjustingthesubwayintervalcan
bringvariouseconomicandsocialbenefits.
1.Savetimeefficiency