| 摘要 |
<p>PURPOSE:To improve warehouse management efficiency, by locating home positions at small sections into which a warehouse is partitioned, by returning a crane to the nearest home position with a present position of a loader or a crane is unknown, and by enabling the confirmation of the position in a short time. CONSTITUTION:Housing racks 12 are arranged in a matrix between 2 rails on which a crane can travel, and even a material stored in a rack located at any position can be carried out by a loader which is located on and can run on the crane. A micro computer gives a position information so that the crane may move to a target rack A, and enables the loader 16 to go straight to the rack A. When an accident occures at a rack B situated on the way to the rack A to which the crane is travelling, the micro computer processes a position confirming program, and controls the crane so that it can return to a home position Hp - Z1. signal is produced every time it returns to a row and to a column. When the crane 14 returns to the nearest position, it stops at the position.</p> |
