基于分段能量计算法的列车安全防护方法  

Train Safety Protection Method Based on Segmental Energy Calculation Method

作　　者：王许超 吕新军 常鸣 洪海珠[2] WANG Xuchao;LYU Xinjun;CHANG Ming;HONG Haizhu(CASCO Signal Ltd.,200071,Shanghai,China;Shanghai Shentong Metro Co.,Ltd.,201103,Shanghai,China)

机构地区：[1]卡斯柯信号有限公司,上海200071 [2]上海申通地铁集团有限公司,上海201103

出　　处：《城市轨道交通研究》2024年第11期28-32,共5页Urban Mass Transit

摘　　要：[目的]为了缩短安全防护距离,提高列车运营效率,提出一种基于分段能量计算法的列车安全防护方法。[方法]从列车紧急制动过程的阶段划分出发,深入阐述了列车超速防护计算的方法及计算过程。基于实际案例的相关数据,根据列车速度条件和轨道情况,采用分段能量计算法计算列车安全制动距离,并以固定减速度法的计算结果进行对比。[结果及结论]分段能量计算法能够明显减少制动距离,从而缩短列车安全防护距离,使运营效率得到明显提升。[Objective]To shorten the safety protection distances and enhance train operational efficiency,a safety protection method based on segmental energy calculation method is proposed.[Method]Starting from the phase division of the train emergency braking process,the method and calculation process for train overspeed protection are expounded in depth.Using relevant data from practical cases and considering train speed and track conditions,the segmental energy calculation method is employed to compute the train safe braking distance.The results are compared with those calculated by fixed deceleration method.[Result&Conclusion]The segmental energy calculation method significantly reduces braking distance,thereby shortening the train safety protection distance,and improving operational efficiency significantly.

关 键 词：城市轨道交通 列车自动防护 分段能量计算 

分 类 号：U284.44[交通运输工程—交通信息工程及控制]