A Fuzzy Logic Based Green Performance Evaluation Model for Automotive Industry

Abstract

Nowadays, increasing manufacturing activities cause to critical environmental problems such as global warming and air pollution. These environmental problems have provided increase of environmental awareness in the production process and therefore the green manufacturing (GM) concept has emerged. In general, this concept refers to a production process, which has high efficiency and minimum environmental damage in terms of resources and products. GM has recently become important in almost every sector. Automotive industry has significant importance in terms of economy and employment when considered its sub-industry and other related sectors. Therefore, it is important to evaluate the adoption level of green manufacturing concept in this sector. Fuzzy multi criteria decision making (FMCDM) methods which handle uncertainty in decision making problems can be effectively used for green performance evaluation of companies. In this study, it is aimed to assess green performance of manufacturers which operate in automotive sector by using a MCDM model based on fuzzy analytic hierarchy process (FAHP) method. This model consists of 5 main criteria which are green design, green energy, green material, green logistics and green management, and 19 sub criteria located under these main criteria. As a result of the study, green energy and low waste criteria were determined as the most important main and sub criteria with weights of 0.268 and 0.1026 respectively. The proposed model can be used as an effective tool for companies operating in the automotive industry to measure and to follow their green performance and to select their suppliers. 

Keywords

• Green manufacturing,Fuzzy AHP,Fuzzy MCDM,Automotive industry

Otomotiv Endüstrisi için Bulanık Tabanlı Bir Yeşil Performans Değerlendirme Modeli

Öz

Son günlerde artan üretim faaliyetleri küresel ısınma ve hava kirliliği gibi kritik çevresel problemlere neden olmaktadır. Bu çevresel problemler üretim süreçlerinde çevre bilincinin artmasını sağlamış ve böylece yeşil üretim (YÜ) konsepti ortaya çıkmıştır. Genel olarak bu konsept, kaynaklar ve ürünler açısından yüksek verimlilikli ve çevreye olabildiğince az zarar veren üretim süreçlerini ifade etmektedir. YÜ son zamanlarda neredeyse bütün sektörlerde önem kazanmıştır. Otomotiv endüstrisi, alt endüstrileri ve diğer ilişkili olduğu endüstriler düşünüldüğünde ekonomi ve istihdam açısından büyük bir öneme sahiptir. Böylelikle bu sektörde YÜ konseptinin benimsenme seviyesini değerlendirmek oldukça önemlidir. Karar verme problemlerindeki belirsizliği de göz önünde bulunduran bulanık çok kriterli karar verme (ÇKKV) metotları firmaların yeşil performansını değerlendirmek amacıyla etkili bir şekilde kullanılabilir. Bu çalışmada, bulanık analitik hiyerarşi prosesi (AHP) metoduna dayalı bir ÇKKV modeli ile otomotiv sektöründe faaliyet gösteren üreticilerin yeşil performanslarını değerlendirmek hedeflenmiştir. Bu model, yeşil tasarım, yeşil enerji, yeşil materyal, yeşil lojistik ve yeşil yönetim olmak üzere 5 ana kriter ve bu kriterlere ait 19 alt kriter içermektedir. Çalışma sonucunda sırasıyla 0,268 ve 0,1026 ağırlıkları ile yeşil enerji ve düşük atık kriterleri en önemli ana ve alt kriterler olarak belirlenmiştir. Önerilen model otomotiv endüstrisinde faaliyet gösteren firmaların yeşil performanslarını ölçmek, takip etmek ve tedarikçilerini seçmek için etkili bir araç olarak kullanılabilir.

Anahtar Kelimeler

• Yeşil üretim,Bulanık AHP,Bulanık çok kriterli karar verme,Otomotiv endüstrisi

Kaynakça

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