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1、北京交通大學碩士學位論文基于GA的列車自動調(diào)整算法在CBTC系統(tǒng)中的應用研究姓名:張亦南申請學位級別:碩士專業(yè):交通信息工程及控制指導教師:唐濤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圖索引圖1典型的CBTC系統(tǒng)框圖【31????????????????~????????2圖2CBTC系統(tǒng)的基本結(jié)構(gòu)????
7、??????????????????????4圖3ATS系統(tǒng)的基本結(jié)構(gòu)??????????????????????????.6圖4列車自動調(diào)整原理圖???????????????????????????7圖5CBTC(移動閉塞)與傳統(tǒng)固定閉塞比較示意圖娜1?????????????。14圖6軌道交通運行圖示例?????????????????????????..21圖7復線鐵路示意圖???????????????????