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在介绍高速公路联网通信系统构成和功能的基础上,本文基于故障树分析(FTA)方法建立了高速公路联网通信系统故障树模型。在系统中以关键设备为切入点,首先建立关键设备对系统可靠性的影响评估模型,接着分析了其对高速公路机电系统联网可靠性的影响,最后进行系统可靠性的影响评估,提出改善高速公路机电联网系统可靠性的对策,为高速公路机电联网系统设备的养护工作提供了技术支撑。
On the basis of introducing the composition and function of expressway networked communication system, this paper establishes a fault tree model of expressway networked communication system based on fault tree analysis (FTA). In the system of key equipment as the starting point, first of all, the key equipment to establish the system reliability evaluation model, and then analyze the highway mechanical and electrical system reliability of networking, and finally the impact of system reliability assessment, put forward to improve high speed The countermeasures for the reliability of the highway electrical network system provide the technical support for the maintenance of the highway electrical network system equipment.