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    Comparison of OR and AI methods in discrete manufacturing using fuzzy logic
    (2004) Kubat, Cemalettin; Taşkın, Harun; Topal, Bayram; Turgay, Safiye
    Since 1950s the techniques of Operations Research (OR) and Optimization have been utilized to increase the efficiency of the production systems. With the widespread use of computers, it has even become easier to deal with industrial problems. However the complexity of the problems still reveals the difficulty in providing solutions. The use of artificial intelligence (AI) seems to attract the attention of the researcher to overcome to the difficulties. This has already been realized with several successful applications. In this study, the use of AI and OR techniques is compared using fuzzy logic. The progress of manufacturing systems, characteristics of production processes, system managements and system behavior are taken into account. The study is focussed on only discrete manufacturing.
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    Öğe
    Modeling Relationship Maps for The Factors of Purchasing Management System According to Selected Key Drivers Using Fuzzy Cognitive Maps
    (2019) Tunacan, Tuğba; Topal, Bayram; Göksu, Alper
    Strategic management is the philosophy of the creation which provides a goal, a plan and a model for the competitive advantage. Companies define their own goals and generate the plan for goal according to this management philosophy. However, company can utilize successively from this philosophy so long as it is able to be adapted to all management systems such as product, inventory, manufacturing and etc... Purchasing management system is the one of them. It is a basic management unit where decisions, goals and plans are structured according to production and customer requirements which give the competitive advantage to each company. All of them can be managed strategically by being focused on the appropriate purchasing conditions including low-cost, high quality, and on-time delivery. In this study, we will determine variables and the relationships between them which affect in achieving the strategies of the company in terms of purchasing management system. Fuzzy cognitive mapping method will be selected in order to find them out because this method creates a map by using some strategies for system. The results will be presented at the end of the study.