Abstract
For the vehicle management require of the large materials yard, this paper researched the monitor problem based on u- Blox GPS. Designed the GPS applicable unit, researched the Setting Method of LEA-4H and the extract skill of GPS Protocol data. Researched the Grid-based map technology to mark, zoom, translate the map and match the vehicle track. Propose the “same side judgment” to check the vehicle whether in the yard only by GPS location. Fig.4 shows how to judge the non-convex polygon yard by divide it into convex. The correctness and stability of the research result are proved by the reliable operation of an unmanned iron ore yard vehicle system for years. The researches provide good reference for the design of the monitor and manage system in other material yard and fleet.
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