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为解决在非紧急情况下乘客擅自操作地铁列车车门紧急解锁装置影响地铁列车运营安全的问题,针对列车运行中解锁车门、列车从车站启动时解锁车门、列车停稳后解锁车门3种情况,分别提出了基于列车控制系统和车门软件逻辑修改的紧急解锁功能改造方案。测试及实际运行表明,这种采用软件改造的方案不仅实现了全部的改造目标,而且改造费用低,同时避免了采用硬线改造方案带来的安全风险。
In order to solve the problem that the emergency operation of metro train door emergency unlocking device in non-emergency situations affects the operation safety of metro train operation, aiming at unlocking the door in train operation, unlocking the door when the train starts from the station and unlocking the door after the train is stopped, The reconstruction scheme of emergency unlocking function based on the logic control of train control system and door software is proposed. Tests and actual operations show that this software-based solution not only achieves all the revamping goals but also low retrofit costs while avoiding the security risks associated with using hard-wired retrofit solutions.