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1、Chin.Phys.BVol.21,No.7(2012)070502Propertiesoftraintra?c?owinmovingblocksystemWangMin(王敏),ZengJun-Wei(曾俊偉),QianYong-Sheng(錢勇生),LiWen-Jun(李文俊),YangFang(楊芳),andJiaXin-Xin(賈欣欣)SchoolofTra?candTransportation,LanzhouJiaotongUniversity,Lanzhou730070,China(Received26September2011;revi
2、sedmanuscriptreceived23November2011)Thedevelopmentdirectionofrailwayistoimprovethecapacityandtheservicequality,wheretheservicequalityincludessafety,schedule,highspeed,andcomfort.Inlightoftheexistingcellularautomatonmodels,inthispaper,wedevelopamodeltoanalyzethemixedrunningproces
3、sesoftrainswithmaximalspeedsof500km/hand350km/hrespectivelyinthemovingblocksystem.Intheproposedmodel,weestablishsomesoundrulestocontroltherunningprocessoftrain,wheretherulesincludethedeparturerulesintheintermediatestations,theovertakingrules,andtheconditionsofspeedlimitationfort
4、rainstoppingatastationorpassingthroughastation.Withtheconsiderationofthemixedratioandthedistancebetweentwoadjacentstations,thepropertiesofthetraintra?c?ow(includingcapacityandaveragespeed)aresimulated.Thenumericalresultsshowthattheinteractionsamongdi?erenttrainswilla?ectthecapac
5、ity,andaproperincreasingofthespatialdistancebetweentwoadjacentstationscanenhancethecapacityandtheaveragespeedunderthemovingblock.Keywords:traintra?c?ow,movingblock,cellularautomatonmodel,simulationPACS:05.40.–a,89.40.Bb,05.60.–kDOI:10.1088/1674-1056/21/7/0705021.Introductionatte
6、ntionhasbeenpaidtodevelopingmodelsandmethodstostudyhowtoreasonablydesignthetrainTodate,moreandmorepeoplehaveempha-timetableandhowtoimprovethecapacityofthesizedthetravelspeedandtheservicequalityofanyrailway.[5
