基于GA的列车自动调整算法在CBTC系统中的应用研究

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1、北京交通大学硕士学位论文基于GA的列车自动调整算法在CBTC系统中的应用研究姓名：张亦南申请学位级别：硕士专业：交通信息工程及控制指导教师：唐涛20080601ABSTRACTABSTRACT：Withtherapiddevelopmentofurbanrailwaytrafficautomatictraincontroltechnology,CBTC(Communication—BasedTrainContr01)isthetrendofurbanrailwaytrafficcontrolsysteminthefuture．ThemovingblocktechnologybasedOil

2、CBTCbringsnewchallengetoautomatictrainregulation，becausehighertrafficdensityandshorterheadwayoftrainsresultinmoredifficultyfortrainoperationadjustment．Sothecorrelationstudyhaspracticalsignificance．Inviewofthis，studyalgorithmsofautomatictrainregulationbasedonGA(GeneticAlgorithms，GA)consideringcombi

3、natorialoptimizationoftrainoperationadjustmentandfeatureofCBTCsystem，then，correspondingsimulationiscardedout．Firstofall，modelofautomatictrainregulationpertinentlyisputforwardthronganalyzingcharacteristicsofurbanrailwaytraffic、movingblockandtrainoperationadjustment．Secondly,basedonthemodelandcharac

4、teristicsofautomatictrainregulationofurbanrailwaytraffic，GAisselectedtogetsolutionofthemodel．ApplicationprocessofGAisdetaileddescription．Differentfromtraditionalcodingmethodbytrainserialnumb％realcodingisputforwardaccordingtotime．GAisimprovedbyusingelitisminselection,two-pointcrossover，mutationoper

5、atorwithbreedingdevice,andconstrainedconditionsviaparameter-freepenaltyfunctionsmethod．Atlast，basedonBatonglineofBeijingmetroinchina,simulationenvironmentisconstructed．Inthepaper,thesimulationiscarriedoutundertrainseriousdelayandtraingroupdelayaccordingtopracticallinedataandoperationalsituationofB

6、atonglinecombinedwithCBTCsystem．SimulationresultsprovealgorithmsofautomatictrainregulationbasedonGAiseffectiveandfeasibleforbusyline．KEYWORDS：CBTC；MovingBlock；ATS；AutomaticTrainRegulation；GeneticAlgorithms；SimulationAnalysisCLASSN0：U292图索引图1典型的CBTC系统框图【31⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯～⋯⋯⋯⋯⋯⋯⋯⋯2图2CBTC系统的基本结构⋯⋯⋯⋯

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯4图3ATS系统的基本结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．6图4列车自动调整原理图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯7图5CBTC(移动闭塞)与传统固定闭塞比较示意图娜1⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。14图6轨道交通运行图示例⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．21图7复线铁路示意图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯