Bütünleşik Bulanık DEMATEL-Bulanık VIKOR Yaklaşımının Makine Seçimi Problemine Uygulanması

Öz

Makine seçimi konusu işletmelerde üretim planlaması açısından oldukça önemli bir karar problemidir. Uygun makinenin seçilmesi sürecinde üretim hızını, maliyetleri, kapasiteyi ve verimliliği etkileyen birçok kriterin birlikte göz önünde bulundurulmasının gerekliliği nedeniyle, makine seçimi problemi için etkin bir karar verme aracına ihtiyaç duyulmaktadır. Birçok alanda uygulanabilirliği ile ön plana çıkan çok kriterli karar verme (ÇKKV) teknikleri bu konuda etkili bir çözüm aracı olarak kullanılabilmektedir. Bu çalışmanın temel amacı da, ÇKKV tekniklerinin kullanılması yoluyla doğal taş sektöründe yer alan bir işletme için makine seçim problemine çözüm aramaktır. Bu amaçla, karar alma sürecindeki belirsizleri de dikkate alabilen bulanık ÇKKV yaklaşımı; bütünleşik Bulanık DEMATEL-Bulanık VIKOR yöntemi makine seçimi problemine uygulanmıştır.  Literatüre ve karar probleminin yapısına uygun olarak belirlenen kriterler öncelikle firma bünyesindeki yönetici ve mühendislerden oluşan karar vericilerin görüşleri doğrultusunda değerlendirilmiştir. Alınan bilgiler ışığında Bulanık DEMATEL yöntemi ile kriterler arasındaki ilişkiler belirlenerek kriter ağırlıkları elde edilmiştir. Daha sonra, ilgili işletme için Bulanık VIKOR yöntemi yardımıyla üç mermer kesim makinesi alternatifi arasından en uygun olanın seçilmesi sağlanmıştır. 

Anahtar Kelimeler

• Bulanık DEMATEL,Bulanık VIKOR,Makine Seçimi

Application of Integrated Fuzzy DEMATEL-Fuzzy VIKOR Approach to Machine Selection Problem

Öz

Machine selection issue is a widely important decision problem from the point of production planning in operations. Because of the necessity of considering together various criteria that influencing production speed, costs, capacity and productivity in the process of selecting proper machine, there is a need to an effective decision making tool for machine selection problem. Multi-criteria decision-making (MCDM) techniques that come to the fore with its applicability in many areas can be used as an efficient solving tool in this matter. The main purpose of this study is searching a solution for a company located in the natural stone industry through the use of MCDA techniques. For this aim, fuzzy MCDM approach that takes into account uncertainties of the decision process, an integrated Fuzzy DEMATEL-Fuzzy VIKOR method has been applied to machine selection problem. The criteria determined in accordance with the literature and the structure of the decision problem is primarily evaluated through the opinions of decision makers that consist of managers and engineers in the company. In the light of obtained data, the weights of criteria are acquired by determining the relations among criteria via Fuzzy DEMATEL method. Later, it is provided to select most appropriate marble cutting machine between three alternatives for the related company by applying Fuzzy VIKOR method.

Anahtar Kelimeler

• Fuzzy DEMATEL,Fuzzy VIKOR,Machine Selection

Kaynakça

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