| 摘要 |
PURPOSE:To decide whether the position data of another precedent unmanned self-running body are in an area where there is the possibility of a collision and prevent the collision by providing each unmanned self-running body with a transmitter and a receiver, thereby confirming the position of a precedent unmanned self-running body. CONSTITUTION:Each unmanned self-running body 10 is provided with the transmitter which sends its position data calculated by a position detection device and the receiver which receives other position data sent by other unmanned self-running bodies; and a collision prevention device calculates an emergency stop area E1, a normal stop area E2, a 2nd speed reduction area E3, and a 1st speed reduction area E4 in the order of the degree of danger according to its position data. When the received position data of the other unmanned self-running body is in said area, a guide controller provides operation following up a travel expected course 30 while preventing the collision by controlling the unmanned self-running body 10 into an emergency stop, a normal stop, 2nd speed reduction, or 1st speed reduction.
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