A method of controlling an Automatic Guided Vehicle (AGV) system includes setting moving paths of the AGVs by taking into account task performing costs of cases for orders of all tasks to be performed by the AGVs, and controlling the AGVs according to the set moving paths. The setting of the moving paths...http://www.google.ca/patents/US20040006416?utm_source=gb-gplus-sharePatent US20040006416 - Method of controlling automatic guided vehicle system