The Construction of Shop Floor Scheduling Module for the Flexible Manufacturing Cell

• Main Authors: W. S. Lin, 林文熙
• Other Authors: S. H. Chung
• Format: Others
• Language: zh-TW
• Published: 1995
• Online Access: http://ndltd.ncl.edu.tw/handle/50175676809005712035

碩士 === 國立交通大學 === 工業工程研究所 === 83 === The planning and control of the flexible manufacturing cell( FMC) consists of two levels; production planning and shop floor scheduling. The production planning level plans the production orders for a given period. The shop floor scheduling level then arranges the corresponding material movements of these product orders, with consideration of the shop floor status. How to execute the production activity to accomplish the upper planning results is an important problem. It needs to consider the resources' constraints for deciding the best schedule and resource allocations. This thesis therefore aims at constructing a shop floor scheduling module for the FMC to accomplish the production goals. The production scheduling of the FMC needs to consider some operation characteristics such as the features of fixtures clamping, the pallet/fixture matching, the pallet/fixture changing in manufacturing process, etc. This shop floor scheduling module thus develops the scheduling rules for various resources (machines, AGV, and loading/unloading stations), and the routing selection rules for parts. These heuristic rules are developed from system integration viewpoint and from real-time scheduling prospective. It thus can grasps the short-term production trend of the FMC. The shop floor of an FMC usually has the inventory limits. Therefore, the scheduling module establishes the input control factor (ICF) to control the maximum inventory in the shop floor. This ICF value influences the batch completion time, the part flow time. This thesis thus also discusses the influence of the ICF value on the system performance.