城市轨道交通翼2023年基于无源射频识别精确定位技术的城市轨道交通车载自动过分相控制方案研究赵晓春(中交机电工程局有限公司,610023,成都//工程师)摘要为保障城市轨道交通交流供电模式下列车安全、可靠、平稳自动过分相,降低建设投资,依据TB/T3483—2017《CTCS-3级列控车载设备技术标准》对自动过分相的规定,结合城市轨道交通线路站间距小、无电分相区数量少的特点,综合考虑实施成本,阐述了无源RFID(射频识别)精确定位技术的组成、原理及优势,从系统组成、工作原理及设备配置等方面研究了基于无源RFID精确定位技术的车载自动过分相控制系统,并详细分析了特殊工况下的过分相方案。该方案适用于城市轨道交通交流供电模式下的自动过分相场景。关键词城市轨道交通;车载自动过分相控制方案;射频识别精确定位技术中图分类号U231.8D0I:10.16037/j.1007-869x.2023.06.031UrbanRailTransitOn-boardAuto-passingNeutralZoneControlSchemeBasedonPas-siveRFIDPrecisePositioningTechnologyZHAOXiaochunAbstractInordertoensurethesafety,reliabilityandstabili-tyofautomaticphasetransitionofurbanrailtransittrainsunderACpowersupplymode,andtoreduceconstructioninvest-ment,accordingtotheregulationsofautomaticphasetransitionofTB/T3483-2017CTCS-3TrainControlEquipmentTechni-calConditions,comprehensivelyconsideringthecharacteristicsofsmallstationintervalsandsmallnumberofneutralzonesa-longurbanrailtransitlineroutesandtheimplementationcost,thecomposition,principleandadvantagesofpassiveRFID(radiofrequencyidentification)precisepositioningtechnologyareexpounded,thentheauto-passingneutralzonecontrolsys-tembasedonRFIDprecisepositioningtechnologyisstudiedfromtheaspectsincludingsystemcomposition,workingprinci-pleandequipmentconfiguration.Passingneutralzoneschemeunderspecialworkingconditionsisanalyzedindetail.Theschemeissuitablefortheurbanrailtransitscenarioofauto-passingneutralzoneunderACpowersupplymode.·170·Keywordsurbanrailtransit;on-boardauto-passingneutralzonecontrolscheme;RFIDprecisepositioningtechnologyAuthor'saddressCCCCMechanical&ElectricalEngineer-ingCo.,Ltd.,610023,Chengdu,China我国城市轨道交通目前大多采用DC1500V供电模式",线路中不存在无电分相区...