| Transportation is the life line of city economy. The modernization degree of transportation is the sign of city civilization and advancement. Shanghai puts forward higher demand on city transportation because of its economy and social development, especially the fact of preparing for Expro 2010 and the aim of becoming the world-class city. Our school took on the layout research project of Shanghai ITS information center and Shanghai GPS technology of comprehensive application, and decided to develop vehicle dynamic monitoring/dispatching experimental system, which is made up of vehicle location, communication, vehicle control, monitor center subsystem etc.The paper is the important composition of vehicle dynamic monitoring/dispatching experimental system, and mainly introduce GPS/DR integrated location system and embedded real time multi-task system. Firstly,for meet with the request of system function, make an analysis and design the hardware platform of system, introduce the design and realization of communication and disposal system based on UART extended chip GM8125.Then realize the function of GPS, DR and GPS/DR integrated location through programming , and put forwards the standard...
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