Based The The Dgps Plane Shunting Monitoring System Hardware Development

This project is DGPS Based locomotive dispatch monitoring system designed for the dispatch system. Its aim is to locate and monitor locomotive in the switchyard and create a dispatching and warning management system.Some kinds of advanced technique, including GPS, GIS, computer communication, wireless networks and DSP are adopted in this project. Based on system research and analysis, the general design of whole system and the design of hardware are given by using structured design.The system consists of three parts: moving station and wireless date communication networks and monitor station.Moving station consists of DGPS receiver, interface module, sound module, Liquid crystal display and A/D signal collection module. Firstly, it receives and processes the data from GPS and locomotive. Secondly, it displays them on LCD. Finally, it transmits theses data to monitor center by serial center. Moreover, it can receive control instructions from monitor center and implement the function of giving alarm and urgency brake.The wireless data communication networks are made up from digital radio. It implements the function of communication between moving stations and monitor center.Monitor center runs in local area networks architecture. It consists of data sampling terminal, GIS dispatching terminal, Dispatching arranged system, signal system interface and tower antenna. Monitor center sends the dispatching plan to the moving station and receives the data from moving station, analyses them, locates the locomotive, and displays it on the screen. It can monitor the locomotive and transmit control instructions. It also can create data tables, and manage database.The system samples and monitors the locomotives running information by real time. It promotes the security of dispatching and raises the efficiency of locomotive manager. The research will help dispatching locomotive manager to be standardization, scientific, and modernization.