| 摘要 |
<p>A system (10) using free ranging automatic guided vehicles (AGVs) (14) for loading and unloading material (44) from a number of trailers (16, 17) is provided. The system (10) employs a plurality of sensors (38, 40, 42, 35) for monitoring both pedestrian, operator driven vehicles and other AGV (14) traffic, and for ensuring that the trailers (16, 17) are parked in position and ready for loading and unloading. The system further includes signals (32) for controlling traffic and a plurality of trailer mounted targets (41) for AGV (14) navigation. During an operation cycle full containers (44) are unloaded from a first trailer (16) and empty containers (44) are loaded on a second trailer (17).</p> |
