| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress unneeded speed reduction and a stop of a truck in a truck system having a track. <P>SOLUTION: The truck system having a track includes a track (100) with an instruction line (600) within a predetermined area having branch points and meeting points, a plurality of trucks (200) for traveling on the track, and an instruction line management device (700). Each of the plurality of trucks includes a transmitting part and receiving part (910, 920), and a travel control part (205). The instruction line management device (700) includes an instruction line receiving part and an instruction line transmitting part (710, 720), and a first radio signal transmitting part (740) capable of transmitting a radio signal to a first radio signal receiving part (930) of a specific truck (250), and when one specific truck is made to advance to one instruction line area preferentially, the instruction line management device transmits a blocking signal to one instruction line and also transmits a permission signal to allow advance into the one instruction line area to the one specific truck. <P>COPYRIGHT: (C)2013,JPO&INPIT |
