| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a travel car system capable of highly accurate synchronous control with a simple constitution, and allowing a first travel car and a second travel car to travel on the same passage. Ž<P>SOLUTION: A crane system in an automated warehouse is disclosed as one example of the travel car system. A crane 10 being the first travel car and a crane 20 being the second travel car travel on a rail being the same passage. A travel device 11 and a travel device 21 are respectively arranged in the crane 10 and the crane 20. A control device 30 for controlling the travel device 11 and the travel device 21 is arranged in the crane 10. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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