| Summary: | 碩士 === 中原大學 === 工業與系統工程研究所 === 99 === As following as tendency of globalization, enterprises are under a severe circumstance. Facing a dramatic change in no matter what political, economic, social market and technical factors bring about, however, the most part of firms are certainly challenging with this fierce environment and more strong competitors from the world. Therefore, the topic of this dissertation is going to have a specific explanation towards the backlight module industries development in Taiwan.
In the past few years, domestic companies led continually “Toyota Production System” in itself and had respectable effects. Because the basic philosophy of Toyota-Production-System is completely rule out the worse. When companies completely eliminate the worse, they can raise productivity and reduce costs, enhance its competitiveness.
The labor cost is fixed cost, but it is also a major part of production costs. If the labor productivity could be improved, the cost is bound to decline. Business used the methods to measure productivity is per person volume of output per unit of time, so the best assignment make the output increases, cycle time be reduced and assembly line balancing is the focus of this study.
The study includes the base theory of the best assignment problem and two major pillars of spirit “JIT” and “JIDOKA” in “Toyota Production System”. An example of a case company backlight module production patterns combine the assembly line balanced “assignment problem” and kanban system in “Toyota Production System” to establish a timely and kanban assignment system.
First, this study uses the traditional method of time study to obtain assembly lines preliminary configuration. And then use the Hungarian method and the integer programming to identify the most suitable solution as the basis for personnel assigned to the optimal assignment, and further obtain the most best of the output. When assembly line has abnormal occurrence, assembly line supervisor may use the JIT kanban system and personnel assignment to cope with sudden changes. The way use personnel assignment to avoid affecting the production cycle, and achieves assembly line balancing objective.
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