The invention discloses a backup positioning method for a TACS system, and relates to the technical field of rail transit signal control. According to the method, line beacons do not need to be newly added, and the safety level of the existing beacon information of the line is SIL4, so that the safety is high by reading the backup positioning information provided by the beacons. According to the invention, the antenna is independently installed to read the line position information, so that the construction cost and the maintenance workload are effectively reduced while the train position tracking is realized. The train ID information can be provided for the ground equipment, and management of a train-centered TACS system is facilitated. According to the method, the mode of requesting the backup positioning information is adopted, that is, only when the WTC sends the request to the backup positioning system, the backup positioning system sends the backup positioning information to the WTC, and the communication traffic between the train and the WTC is effectively reduced.
本发明公开了一种用于TACS系统的后备定位方法,涉及轨道交通信号控制技术领域。本发明不需要新增线路信标,线路既有信标信息安全等级为SIL4,因此本发明通过读取信标所提供的后备定位信息安全性高。本发明通过单独安装天线,读取线路位置信息,这样在实现列车位置跟踪的同时有效的减少了建设成本和维护工作量。本发明能够向地面设备提供列车ID信息,有利于以列车为中心的TACS系统的管理。列车与WTC之间的通信量较少:该方法采用请求后备定位信息的方式,即只有当WTC向后备定位系统发送请求后,后备定位系统才向WTC发送后备定位信息,有效的减少了列车与WTC之间的通信量。
Backup positioning method for TACS system
一种用于TACS系统的后备定位方法
2024-03-19
Patent
Electronic Resource
Chinese
IPC: | B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC |
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