Simulation of Defense Distribution Region West (DDRW) Regional FreightConsolidation Center (RFCC)

摘要

This is a simulation analysis of the proposed mechanization design of theRegional Freight consolidation center (RFCC) at the San Joaquin site of the Defense Logistics Agency (DLA) Defense Distribution Region West (DDRW). An increase in expected workload at that site due to depot consolidation, along with the addition of consolidation and Containerization Point (CCP) functions to the RFCC, has caused extensive changes to the design. The purpose of this analysis was to evaluate the mechanization design, identify any design problems, and recommend solutions or possible improvements. Three major areas of concern were identified in the analysis. First, expected value analysis showed two automated guided vehicles (AGVs) could not handle the workload from the palletization stations. The AGV path was redesigned to allow four vehicles. The second problem was inadequate throughout capacity at parcel data collection. Expected value and simulation analysis of this area indicated the number of workstations should be increased from six to nine. The third area of concern involved the assignment of lines to customers on the main carton sorter. The simulation demonstrated that how this assignment was made was critical to the efficient operation of the sortation system. Therefore, the person making these assignments must be well trained and decision aids should be developed to support this critical task.