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Positive Train Control Security: An Intrusion-Detection System to Provide Cyber-Situational Awareness

机译:积极的列车控制安全:提供网络态势感知的入侵检测系统

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摘要

American railroads plan to complete implementation of their positive train control (PTC) systems by 2020, with the primary safety objectives of avoiding intertrain collisions/train derailments and ensuring railroad worker safety. Under published Interoperable Electronic Train Management System (I-ETMS) specifications, the onboard unit (OBU) communicates with two networks: 1) the signaling network that conveys track warrants to occupy blocks and 2) the wayside interface unit (WIU) network, a sensor network situated on tracks to gather navigational information. These include the status of the rail infrastructure (such as switches) and any operational hazards that may affect the intended train path.
机译:美国铁路公司计划到2020年完成其积极的列车控制(PTC)系统的实施,其主要安全目标是避免列车间碰撞/列车脱轨并确保铁路工人的安全。根据已发布的可互操作电子火车管理系统(I-ETMS)规范,车载单元(OBU)与两个网络进行通信:1)传送跟踪命令以占用区块的信号网络,以及2)路边接口单元(WIU)网络,传感器网络位于轨道上以收集导航信息。其中包括铁路基础设施(例如开关)的状态以及可能影响预期火车路径的任何运行危险。

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