| 摘要 |
PROBLEM TO BE SOLVED: To surely certify control and communication of a truck traveling system. SOLUTION: Truck side optical communication equipment 14 is loaded upward on a carriage 1, and a rail 5 is installed at the ceiling of a building corresponding to the traveling route of the truck 1, and a traveling vehicle 6 for guidance is allowed to travel following the truck 1 on the rail 5, and optical communications equipment 7 for guidance is loaded downward on the traveling carriage 6 for guidance so that vertical optical communication 13 can be conducted with the truck side optical communications equipment 14. Also, a truck side camera 15 is set downward on the truck side optical communications equipment 14 so that the optical communications equipment 7 for guidance can be recognized, and the angle can be detected as the position of the truck. Moreover, a camera 8 for guidance is set downward on the optical communications equipment 7 for guidance so that the truck side optical communication equipment 14 can be recognized, and the angle can be detected as the position of the truck.
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