| 摘要 |
PROBLEM TO BE SOLVED: To attain the efficient carriage of an unmanned carrier traveling along a traveling path capable of passing. SOLUTION: In a carriage controller 10, a transmitting and receiving part 11 receives a carriage request, and a control part 12 specifies the priority of carriage, and adds this information to a carriage request list stored in a storage part 13. When any carriage instruction request is issued from any unmanned carrier A1-A3, the control part 12 of the carriage controller 10 specifies a device and port at the closest loading point, and registers all assignable carriage requests from among the stored carriage request list in the carriage instruction candidate list of the storage part 13 as the carriage instructions. Then, the carriage controller 10 assigns the carriage instruction whose priority is the highest from among the carriage instruction candidate list to the unmanned carrier which issues the carriage instruction request after confirming the operating states of buffer stations B1 and B2.
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