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和普通列车相比,高速列车作为一种更快速的交通工具,其受到地震的威胁也更大。高速铁路地震预警系统能在破坏性地震波到达前发出报警,是防止其发生重大损失或人员伤亡的有效措施。我国新建的京津、京石等高速铁路中都要求建设地震预警系统。一个好的地震预警系统不仅要有科学先进的算法来确定地震三要素和影响范围等,系统的构架也尤为重要。系统构架影响甚至决定了系统的鲁棒性、可维护性、运行效率、安全性等。因此有必要对预警系统的系统构架进行研究,确保预警系统构架合理。讨论了高速铁路地震预警系统中所需要的硬件和软件模块及其相互关系,为高速铁路地震预警系统的建设提供参考和依据。
Compared with ordinary trains, high-speed trains as a faster means of transport, the greater the threat of the earthquake. The earthquake early warning system of high-speed railway can send an alarm before the destructive seismic wave arrives, which is an effective measure to prevent heavy losses or casualties. China’s newly-built Beijing-Tianjin and Beijing-Shishou high-speed railways all require the construction of an earthquake early warning system. A good earthquake early warning system requires not only advanced scientific algorithms to determine the three elements of the earthquake and the impact of the scope, the system architecture is also particularly important. The impact of the system architecture even determines the system’s robustness, maintainability, operational efficiency, safety and so on. Therefore, it is necessary to study the system architecture of the early warning system and make sure the early warning system is reasonable. The hardware and software modules needed in earthquake early warning system of high-speed railway and their interrelationships are discussed, which provide reference and basis for the construction of earthquake early warning system for high-speed railway.