Browsing by Subject "Kanban systems"

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    Design and scheduling of periodic review kanban systems
    (1997) Erhun, Feryal
    In the last years, the term just in-time (JIT) has become a common term in repretitive manufacturing systems. It can be defined as the ideal of having the necessary amount of material available where it is needed and when it is needed. One of the major elements of JIT philosophy and pull mechanism is the Kanban system. This system is the information processing and hence shop floor control system of JIT philosophy. In this study, we propose an algorithm to determine the withdrawal cycle length, kanban size and number of kanbans simultancously in a periodic review Kanban system under multi-item, multi-stage, multi period modified flowline production setting. The proposed algorithm considers the impact of operating characteristics such a.s scheduling and actual lead times on design parameters.
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    ItemOpen Access
    An overview of design and operational issues of kanban systems
    (Taylor & Francis, 1999) Aktürk, M. S.; Erhun, F.
    We present a literature review and classification of techniques to determine both the design parameters and kanban sequences for just-in-time manufacturing systems. We summarize the model structures, decision variables, performance measures and assumptions in a tabular format. It is important to state that there is a significant relationship between the design parameters, such as the number of kanbans and kanban sizes, and the scheduling decisions in a multi-item, multi-stage, multi-horizon kanban system. An experimental design is developed to evaluate the impact of operational issues, such as sequencing rules and actual lead times on the design parameters.