MEREC ve Entropi Yöntemleriyle Yük Kaldırma Platformu Seçiminde Kullanılan Kriterlerin Ağırlıklarının Belirlenmesi

Yıl 2023, Cilt: 6 Sayı: 2, 1323 - 1337, 05.07.2023

Nuh Keleş

Öz

Lojistik sektöründe ürün/hammadde/yarı mamullerin konulduğu veya bekletildiği yerler depolama yerleridir. Depolama alanlarında lojistik faaliyetlere ve tedarik zincirine değer katan çok çeşitli işlemler gerçekleştirilir. Bu işlemler yapılırken depo alanında kullanılan çeşitli ekipmanlara ihtiyaç duyulur. Depo ekipmanlardan birisi depoya gelen-giden ve depo içindeki malların istenilen yerlere kaldırılmasında kullanılan yük kaldırma platformlarıdır (YKP). Çalışmanın amacı YKP seçiminde kullanılan kriterlerin ve ağırlıklarının belirlenmesi, MEREC yönteminin gerçek bir yaşam probleminde uygulanarak Türkçe literatüre tanıtılması ile MEREC ve Entropi yöntemlerinin karşılaştırılmasıdır. YKP seçiminde “yük kaldırma kapasitesi, fiyatı, platform boyutu, platform ağırlığı ve kaldırma yüksekliği” olmak üzere beş kriter, 9 alternatif belirlenmiştir. Kriterlerin ağırlıklarını belirlemek için MEREC yöntemi ve karşılaştırmak için Entropi kullanılmıştır. MEREC yöntemiyle yapılan hesaplamalara göre %43,3 platform boyutu, %28,2 platform ağırlığı, %12 yük kaldırma kapasitesi, %11,3 kaldırma yüksekliği ve %5,1 fiyat olarak belirlenmiştir. Entropi yöntemine göre %36,5 platform boyutu, %27,4 platform ağırlığı, %20,7 kaldırma yüksekliği, %13,4 yük kaldırma kapasitesi ve %2,1 fiyat olarak hesaplanmıştır. Kriter ağırlıkları arasında farklılıklar bulunmuş, Pearson korelasyon analiziyle inceleme yapılmış ve bulgular arasında çok kuvvetli, anlamlı ve pozitif yönde bir ilişki olduğu tespit edilmiştir. Bulgulara göre daha karmaşık ve uzun hesaplama aşamalarına sahip Entropi yöntemi yerine objektif bir kriter ağırlık belirleme yöntemi olarak MEREC yönteminin kullanılabileceği değerlendirilmiştir.

Anahtar Kelimeler

Lojistik, Depolama, Yük kaldırma platformu, MEREC, Entropi

Determination of criteria weights used in load lifting platform selection via MEREC and Entropy methods

Öz

In the logistics sector, the places where the product/semi-finished products are placed or kept are warehouse areas. A wide variety of operations are carried out that add value to logistics activities in warehouse areas. While performing these operations, various equipment used in the warehouse area is needed. One of the warehouse equipment is the load lifting platforms (LLP). This study aims to determine the criteria and weights used in the selection of LLP, introduce the MEREC method in a real life problem, and compare the MEREC and Entropy methods. In the selection of LLP, five criteria and 9 alternatives were determined as “load lifting capacity, price, platform size, platform weight, and lifting height”. According to the MEREC method, 43.3% platform size, 28.2% platform weight, 12% load lifting capacity, 11.3% lift height, and 5.1% price, and then Entropy method, it was calculated as 36.5% platform size, 27.4% platform weight, 20.7% lifting height, 13.4% load lifting capacity, and 2.1% price. Differences were found between criteria weights, analysis was made with Pearson correlation and it was determined that there was a very strong, significant, and positive correlation between the findings. Finally, it has been evaluated that the MEREC method can be used as an objective criteria weight determination method instead of the Entropy method, which has more complex and long calculation steps.

Anahtar Kelimeler

Logistics, Warehousing, Load lifting platform, MEREC, Entropy

Kaynakça

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