HASTANE YERİ SEÇİMİNDE NESNEL AĞIRLIKLANDIRMALI SEZGİSEL BULANIK VIKOR YÖNTEMİ

Yıl 2021, Cilt: 32 Sayı: 2, 177 - 200, 31.08.2021

Sait Gül

https://doi.org/10.46465/endustrimuhendisligi.795479

Cited By: 3

Öz

Yer seçim sorunları Endüstri Mühendisliği alanının en çok çalışılan konularından biri olup hastane yeri seçimi konusunda ise diğer yapılara oranla çok geniş çaplı araştırmalar yapılmadığı görülmektedir. Hastanelerin ekonomik yapı içerisindeki yerleri, toplum sağlığı açısından taşıdıkları önem, göç olgusuyla beraber yaşanan kapasite sorunları gibi unsurlar göz önüne alındığında hastane yeri seçiminin taşıdığı stratejik önem daha iyi anlaşılmaktadır. Bu çalışmada, karar uzmanlarının görüşlerindeki olası belirsizlikleri daha iyi sayısallaştırma yeteneğine sahip olan sezgisel bulanık sayılar (intiutionistic fuzzy numbers) kullanılarak hastane yeri seçimi konusunda özgün bir bulanık karar destek modeli önerisi getirilmektedir. Yer seçim uzmanları ve sağlık yöneticilerinden oluşan bir ekibin kurulması ve bu ekibin olası hastane yeri adaylarını belli kriterler çerçevesinde değerlendirmesi yoluyla bilgi toplama işlemlerinin yapıldığı yöntemde, ikinci özgün yan hastane yeri seçiminde uzmanların ağırlıklarının da hesaba katıldığı bir grup karar verme yaklaşımının öneriliyor oluşudur. Yöntemde nesnel ağırlıklandırma yoluyla uzman görüşlerindeki öznellik sınırlandırılmakta, sıralı ağırlıklı ortalama (OWA-ordered weighted averaging) yönteminin kriter ağırlıklandırmada tercih edilmesi ile son özgün yan ortaya konulmaktadır. Analiz yöntemi olarak ise sezgisel bulanık VIKOR yaklaşımından faydalanılmaktadır. Önerilen model, İstanbul’un bir ilçesi için uygulanmış ve analiz sonuçları paylaşılarak ileriki çalışmalar için öneriler getirilmiştir.

Anahtar Kelimeler

Sezgisel bulanık sayılar, VIKOR, OWA, Hastane yeri

INTUITIONISTIC FUZZY VIKOR METHOD WITH OBJECTIVE WEIGHTING FOR HOSPITAL SITE SELECTION

Öz

Location selection problem is among the most studied research fields of industrial engineering area but studies on hospital site selection are relatively scarce in literature. Hospital location analysis carries a critical and strategic importance, especially when considering their meaning in economic structure, public health management, or in terms of inadequate capacity problems arising from immigration phenomenon, etc. In this study, a fuzzy multiple attribute decision making model is proposed. As a novelty, the model utilizes intuitionistic fuzzy numbers because they have better capability in quantification of vagueness in experts’ opinions. In model, data are gathered from decision experts who have different experience levels represented by expertise weights in location analysis and health management. Experts evaluate site alternatives by utilizing linguistic terms. An objective weighting approach is chosen as the final novelty for determining the importance of criteria with the aim of reducing natural subjectivity embedded in expert evaluations. There are two fundamental methods in model; OWA (ordered weighted averaging) is chosen for objective weighting of attributes and intuitionistic fuzzy VIKOR method is utilized for analysis of the alternatives. The application is performed in a district of Istanbul and the analysis results and future research suggestions are shared.

Anahtar Kelimeler

Intuitionistic fuzzy numbers, VIKOR, OWA, Hospital site

Kaynakça

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