Study on Wireless Network Control System for Heavy Haul Railway Wagon
During braking and release of a heavy-duty train in operation,the conventional way of command transmission by charging and discharging of air pipeline can't meet the requirement of synchronous control of the train and may cause greater longitudinal impact on the train.Therefore,the article proposes a wireless network control system to ensure the synchronous command transmission of the heavy-duty train so as to satisfy the demand for flexible composition and decomposition of the train.This system is composed of the locomotive-borne device,the car-borne devices and the ground server.The car-borne devices realize the composition of train,the sending of commands and the monitoring of status via LoRa and RFID,and the locomotive realize the bidirectional interaction of data through 4G and the ground server.The wireless network control system has been tested on a 150-car braking test bench and the test result demonstrates that the synchronism of braking and release of the whole train has been obviously improved.
heavy haul trainwireless communicationtrain networkcontrol system
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