Digital Radio Applications in the Railway System
Vehicle identification system
Vehicle identification system is to run the vehicle for effective management of the establishment. Trains (including buses and trucks) are equipped with a factory identification number can identify the infrared data system, at every station into or out of about 5 kilometers of tracks laid microwave transceiver within the probe, when the train passes, the probe sensor automatically read identity data, the pre-processed data processor were reached with the WDS radio station outside inspection, commodity inspection and station transfer system.
Shunting operation monitoring system
Stations to be grouped on the locomotive operations management, including motorcycle routes, speed, parking, vehicle and car type, fork road instruction, at present, most of the station signal is the realization on the ground and locomotive shunting signal communication between. Clearly, the signal transmission of information is very unreliable, due to this backward way of railway traffic accident is now a part of a larger proportion.
Digital Technology Co., Ltd. Shenzhen Branch joint Zhengzhou Siwei company, Zhuhai, developed by the Institute of vehicles shunting operation monitoring system uses computer technology, wireless communication technology for the station, locomotive marshalling operations management to a modern level, the project was March 2002 identified by the Ministry of Railways and the Shanghai Railway Bureau, Suzhou section, Nanchang Bureau opening test run. System structure:
Vehicle GPS System
Railways train subordinates to run along the real-time monitoring. GPS receiver installed on the train and digital radio, real-time location information will be transmitted around the station, the station will receive the information transmitted by way of cable or fiber optic cable railway branch or Railways, positioning on the electronic map display. System structure is shown below:
