Makina sıralama problemlerinde çok amaçlı bulanık küme yaklaşımı

Bu çalışmada rasyonel bir tesis düzenlemesini gerçekleştirebilmek için bulanık küme teorisi bu mantığından yararlanılmıştır. Bu çalışmada bulanık küme yaklaşımından yararlanarak kalitatif ve kantitatif bazlı veriler, dilsel değişken ve üyelik fonksiyonlarına dönüştürülmüş, elde edilen bu değerlerden her tesis ye lokasyon için gerçek değer matrisleri elde edilmiş, daha sonra tesisler arasındaki kalitatif ve kantitatif verileri esas alan bu iki gerçek değer matrisi "yoğun ilişki, akış ve yakınlık kriterleri"nin verdiği düşünce ile, çarpılarak esas amacımızı sağlayacak "birleştirilmiş gerçek değer matrisi" elde edilmiştir. Bu matris; tesislerin işlem hacimlerine göre ağırlıklandırılarak, lokasyonel olarak ortalama talep oranları küçükten büyüğe doğru sıralanmış ve bu talep oranlarına karşılık gelen mevcut tesislerin sıralı düzenlemesi elde edilmiştir.

A multi-objective fuzzy set approach in the machine sequencing problems

In this study that logic of Fuzzy Set Theory is used to realize a rational facility layout. In addition, qualitative and quantitative based data are converted into linguistic variable and membership functions by using fuzzy set approach. From these values truth-value matrices for each facility and location is received, later on Integrated truth-value matrix, providing our real goal, is found by multiplying idea of intense relationship, flow and closeness criteria with those two truth-value matrices which takes qualitative and quantitative data between facilities as a base. This matrix is weighted according to the transaction volume of its facilities, the average demand ratios are sequenced from smaller to greater locationally and the sequenced layouts of these facilities which correspond to those demand ratios are obtained.

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