| 摘要 |
<p>PURPOSE: To eliminate the unevenness in operation rates of respective cranes, and average the operating time to equalize the service lives of parts. CONSTITUTION: When an operation command is allocated to any one of respective cranes of automatic warehouses 1a-d of a system including four automatic warehouses 1a-d, a host computer monitors the operation rate of each crane in one hour in the past, and gives a priority to the one having a low operation rate. When the operation rates are little differed from each other, the one minimized in incoming waiting train and outgoing preserved articles which are the number of articles placed on incoming sub-conveyors 2a-d is preferred.</p> |
