a Fuzzy Analytic Hierarchy Process (FAHP) Model for Prioritizing an‎d selec‎ting Suppliers in the Railway Industry Supply Chain an‎d Order Allocation

10/22/2025 12:00:00 AM

In today’s competitive market, manufacturers are not merely focused on improving their internal performance but also prioritize selec‎ting the most suitable markets an‎d suppliers. Supplier sourcing an‎d selec‎tion are among the first an‎d most critical steps in the supply chain, as the quality an‎d cost of raw materials determine the overall performance of the supply chain. Therefore, it is essential that supplier selec‎tion be carried out accurately an‎d in alignment with organizational goals. Given the numerous conflicting criteria involved, this problem is considered a multi-criteria decision-making issue. The aim of this study is to develop a fuzzy analytic hierarchy process (FAHP) model for prioritizing an‎d selec‎ting suppliers in the railway industry supply chain, as well as for allocating orders among them. To achieve this prioritization, the relevant criteria an‎d potential alternatives were first identified through a review of the literature an‎d existing resources. Then, based on expert opinions, the main criteria an‎d alternatives were selec‎ted. Subsequently, the linguistic preferences expressed by the experts were integrated according to their confidence levels. Using fuzzy set theory, these linguistic judgments were converted into fuzzy numbers to calculate the criteria weights an‎d construct the decision matrix. Finally, by applying the fuzzy analytic hierarchy process, a ranking of the supplier alternatives was obtained, an‎d order allocation was performed for the selec‎ted suppliers. a case study was conducted in a rolling stock manufacturing company (Moein Industrial Group). Among the four eva‎luated alternatives, Evarz Company from Russia was identified as the most suitable supplier for wheel procurement. Furthermore, the annual deman‎d was allocated to the top three suppliers based on three different allocation approaches.

زنجيره تامين صنعت ريلي , ارزيابي و انتخاب تامين كنندگان , تحليل سلسله مراتبي فازي , تصميم گيري چندمعياره

Railway industry supply chain , Supplier eva‎luation an‎d selec‎tion , Fuzzy Analytic Hierarchy Process (FAHP) , Multi-criteria decision-making (MCDM)

Alireza Ghasemi

Hamidreza Ahadi