| The thesis mainly introduces the studies of area-covering mobile robots. The studies include GPS/DR integrated location system and the establishment of the boundary digital map for the area-covering mobile robots. In order to ensure location reliability and continuity of area-covering mobile robots, individual GPS system and individual DR system are studied. Because of the shortcoming of the individual location system, GPS/DR integrated location system are researched to improve the location precision. The simulation results show that the location precision of integrated system is more accurate than the location precision of each individual system. As to the establishment of the boundary digital map for the area-covering mobile robots, A innovative method, utilizing a GPS navigation software and the SQL database software, is proposed for the creation of the boundary digital map and identification of the boundary .This method not only achieve ideal precision for the robots , but also reduce the workload greatly. This paper provides theoretic basic and technical instructions for design and research of the area-covering mobile robots system. |
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