| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a carrier truck system that reduces traffic necessary for anticollision control of carrier trucks and improves carriage efficiency. <P>SOLUTION: The carrier truck 36 comprises an anticollision sensor 38, which in straight sections monitors a forward carrier truck to prevent collision. In set sections such as confluent parts 8, branch parts 10 and curves, at a request point 40 or the like before an entry into such a section, travel permission is asked from a zone controller 30, and at an unlocking point 46 or the like past the section, the position is reported to the zone controller 30 to ask unlocking. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
