多单元柔性制造系统的人机比仿真建模与分析研究-工业工程专业论文.docxVIP

第 第 PAGE IV 页 Modeling and Simulation on the Manning Machine Ration of Multiple-Cell Flexible Manufacturing System ABSTRACT In recent years, China labor cost is continuously and significantly increasing in most of provinces and industries, more and more companies (particular for semiconductor companies) are taking serious study on labor cost reduction in condition of reasonable tool utilization and normal production status so that the company can consistently keep the major competitor position in china as one member of biggest world manufacture center. Manning Machine Ratio (MMR) is a key measurement of operation efficiency of one operator; also its improvement is one of key ways to keep the company competition. In high mixture, low volume and extremely complex process flexible manufacturing system, the traditional static Excel model (embedding the MMR parameter, such as, lot size and cycle time) together with classic work study method focus only on single product. This method can not objectively reflect the actual labor productivity in critical machines, and it also will not be able to define the further productivity improvement opportunities. In additional, to maintain this kind of complicated and not duplicable static MMR models will take quite a lot of engineers’ resource. At last, the result of this kind of classic study can not be fully communicated with key stake holders because of its unfriendly interface; therefore the result is normally not being convinced and implemented. This thesis addresses the modeling and simulation on the Man Machine Ratio (MMR) of multiple-cell flexible manufacturing system with a series of integrated research methods, including time and work study, scheduling model with corresponding rules, simulation modeling and its sensitivity analysis. The main results are as follows. Build a MMR simulation model with characters of simplification, intuition, flexibility， generalization and visibility. To overcome the diffi