| Shunting monitoring system is an automatic tracking system for the locomotive position and speed based on the land mobile communication, track lever search and topological structure. It is developed for ensuring a safe operation of trains with the assistance of the LKJ2000 train monitoring and recording devices. Shunting monitoring system is an integrated control system. It contains the wireless communications technology, the control technology and the computer technology. It is the specific application of Communication Based Train Control and Automatic Train Protection on the security protection of shunting work.In the shunting work of many marshalling and large and medium-sized stations uses the flat shunting of cab signal system, but interconnected control of the flat shunting system and shunting signal can not achieve at present. Therefore, the shunting monitoring system is put forward when serious threats are caused by mistakes of operators in the process of shunting work. This system contains the ground equipment and the mobile equipment for information exchange. The station information is transformed into needed information by the ground equipment to send out messages by radio. The mobile equipment controls the locomotive according to the real-time information to ensure safety. In this system, the ground equipment concentrates on the accuracy and real-time of station information, and the mobile equipment is responsible for receiving and displaying interlock information, receiving operating sheet, safety operation and information records.The thesis realized some basic function: receiving and repeating of the interlocking information, receiving and storing of the shunting operating sheet, driving stimulation and speed protection. It can be used for prevent the locomotive that go forward closed signal prematurely and prevent exceeding the speed of operation. Meanwhile, simulation mobile system can record real-time information and store the shunting signal, the running speed, speed control mode and other real-time information in the process of shunting work for fault diagnosis and analysis to ensure the safety operation and the efficiency of shunting work. |