| 摘要 |
PROBLEM TO BE SOLVED: To eliminate an idle time of a traveling vehicle due to communication delay by holding the maintenance of the traveling vehicle and the cancellation of a conveyance command without difficulty. SOLUTION: Conveying and delivering of articles are conducted by assigning the conveyance command from a controller to the traveling vehicle. The controller sends a transfer reservation which prescribes the next destination and does not prescribe the delivery and receipt to the traveling vehicle before receiving a completion report of the conveyance command from the traveling vehicle, and sends the next conveyance command when the completion report is received. The traveling vehicle reports to the controller when the conveyance command is completed, and travels to a destination prescribed by the transfer reservation after the completion of the conveyance command in execution when the transfer reservation is received. As a result, there is no period for the traveling vehicle to stop and wait for the command from the controller and no timing for the traveling vehicle to have double conveyance command. COPYRIGHT: (C)2009,JPO&INPIT |
