CAJ | 학술논문

地铁列车辅助防撞系统能够实现地铁列车的防撞预警，对保障地铁行车安全具有重要意义。系统实时计算列车的位置信息，通过无线数传设备将数据发送到相邻列车，并对接收到的实时位置信息进行判断，通过列车预警显示设备向司机提供安全预警信息。对地铁列车辅助防撞系统的关键技术、结构组成和工作原理进行阐述，基于ARM设计并实现了地铁列车辅助防撞系统的车载设备，最后进行了列车定位仿真实验和预警功能测试。实验结果表明，地铁列车辅助防撞系统能够提供相当精确的位置信息，里程误差在8m以内，可以实现相邻列车运行状态的安全预警。
지철열차보조방당계통능구실현지철열차적방당예경，대보장지철행차안전구유중요의의。계통실시계산열차적위치신식，통과무선수전설비장수거발송도상린열차，병대접수도적실시위치신식진행판단，통과열차예경현시설비향사궤제공안전예경신식。대지철열차보조방당계통적관건기술、결구조성화공작원리진행천술，기우ARM설계병실현료지철열차보조방당계통적차재설비，최후진행료열차정위방진실험화예경공능측시。실험결과표명，지철열차보조방당계통능구제공상당정학적위치신식，리정오차재8m이내，가이실현상린열차운행상태적안전예경。
The key technoIogies,structuraI components and working principIe of the system are eIaborated and the on-board e-quipment is designed and impIemented based on ARM.Furthermore,the train position simuIation experiment and earIy warn-ing function test are both conducted.The test resuIts show that the system couId provide accurate Iocation information with an error of kiIometer scaIe Iess than 8 meters and operationaI status safety warning of adjacent trains is reaIized.