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1 引言一种新的列车自动监测系统(ATS)即将在纽约地铁部分线路上投入试运行,然后将用两年时间在整个地铁网络内全面铺开。 2 纽约地铁概况纽约地铁系统非常复杂,目前覆盖地铁网络三分之一的列车控制系统正在进行彻底的升级,以替换现有老化的基于继电器技术的系统。系统由西门子公司提供,具有82个操作控制台对地铁1、2、4、5、6及9号线进行监控,并将在以后的几个月中进行试运行。纽约城市轨道交通系统 (NYCT)是世界最复杂的地铁系统之一,它的网络
1 INTRODUCTION A new Automatic Train Monitoring System (ATS) is about to put into trial operation on some of the New York subway lines and will then be fully rolled out throughout the entire metro network in two years. 2 The New York Subway Overview The New York metro system is complex and a third of train control systems currently covering the metro network are undergoing a radical upgrade to replace existing aging relays-based systems. The system is supplied by Siemens and has 82 operator control stations to monitor Metro Lines 1, 2, 4, 5, 6 and 9 and will be commissioned in the coming months. NYCT is one of the most sophisticated metro systems in the world and its network