北美轨道交通市场PTC系统

对北美市场主动列车控制(positive train control,PTC)系统进行简要概述,包括市场背景介绍、系统需求和功能描述,通用系统架构定义等;另外,介绍目前的美国市场主流产品和供应商,重点介绍ACSES和I-ETMS两种产品以及不同的技术发展线路;基于美国轨道交通协议于2017年底发布的统计数据,介绍PTC系统目前的市场应用情况以及发展前景;最后,对比PTC、CBTC和ETCS不同的技术标准之间的差异和共同点,并参考主流商业产品提出产品商业化的思路。

Overview of PTC System for the North American Market

This article briefly introduces the positive train control (PTC) system adopted in the North American market, including the market background overview, system requirements, and functional description. The general system architecture is defined. The current mainstream products and suppliers are described, with an emphasis on the two different types of products, and their different product development paths. Based on the 2017 annual report of the FRA, the article introduces the PTC current market status and future. Finally, the common ports between PTC, CBTC, and ETCS are analyzed and the three systems are compared. The product commercialization is introduced.