A train anti-collision positioning system based on UWB belongs to the technical field of communication and is composed of four trackside base stations and a vehicle-mounted label, the vehicle-mounted label is mounted at the head of a train, the system is provided with the four trackside base stations which are erected on the two sides of a rail respectively, and the vehicle-mounted label is an initiating device for establishing ranging signals. The system has the functions of establishing communication connection with a trackside base station in a signal blind area and calculating the position information of the trackside base station. Aiming at the fault problem of the existing train communication system, the system adopts a redundancy design, and when the fault of the train communication system is detected, the system is emergently started, so that train position and speed information is effectively provided for a train driver and is used for judging the safe distance of the train, and the occurrence of safety accidents is effectively reduced. According to the invention, UWB wireless communication is adopted, the anti-interference capability is strong, the confidentiality is high, original communication signals can be ensured not to be interfered under the condition that original communication signal frequency bands are not occupied, and the independent frequency bands can more easily meet self communication.
一种基于UWB的列车防撞定位系统,属于通信技术领域,该系统由轨旁基站和车载标签构成,车载标签安装在列车头部,该系统设有四个轨旁基站,分别架设在轨道两旁,车载标签为建立测距信号的发起设备,其功能是在信号盲区与轨旁基站建立通信连接,并计算出其所在位置信息。针对现有的列车通信系统故障问题,本系统采用冗余设计,在检测列车通信系统故障时,紧急启用本系统,为列车驾驶员有效提供列车位置速度信息,用于判断列车的安全距离,有效降低的安全事故的发生。本发明采用UWB无线通信,抗干扰能力强,保密性高,在不占用原有通信信号频带的情况下,既能保证原有通信信号不受干扰,独立频带更容易满足自身通信。
Train anti-collision positioning system based on UWB
一种基于UWB的列车防撞定位系统
2024-04-09
Patent
Electronic Resource
Chinese
IPC: | B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC |
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