| 摘要 |
When vehicle group constituent vehicles V1 to V4 form a vehicle group, a logical unit 40a for distributing perimeter monitoring regions among the vehicles controls a monitoring region s of a sensor 23 of each vehicle so that the monitoring region s is changed with comparison to that during independent traveling. As a result, even in a state in which an area surrounding the vehicle group cannot be sufficiently monitored with the monitoring region identical to that during independent traveling, the monitoring capacity of the area surrounding the vehicle group can be increased by changing the monitoring region s of the sensor 23 of each vehicle during traveling as a vehicle group.
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