Development of an AHP based supplier evaluation system: a case study in a Turkish defense firm

Download

index.pdf

Date

2019

Author

Kartal, Burak.

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

79
views

29
downloads

Supply chain process is one of the key processes in manufacturing firms which consists of various business entities such as suppliers, manufacturers, distributors, retailers and consumers. In order to establish a sustainable supply chain system, suppliers should be monitored and controlled on a regular basis. Supplier evaluation plays a crucial role to sustain a well-performing supplier pool for large manufacturing firms. To build an effective supplier evaluation system, the set of criteria covering the whole supplier evaluation process should be considered. This study focuses on establishment of an effective supplier evaluation system for a Turkish defense firm. Analytic Hierarchy Process (AHP) is applied to structure the problem through six main criteria which are ramified in 19 sub-criteria. This study provides a numerical case which focuses on suppliers in the machining field of the chosen Turkish defense firm to evaluate their performances. In criteria weight determination, the decision maker and different experts based on their expertise are selected and their opinions are used. Suppliers are classified into three tiers regarding their performance and recommendations are provided to the firm in order to improve supplier evaluation process. Sensitivity analysis is conducted and it is observed that results of proposed AHP method is not prone to changes. The benefits of the proposed method for supplier evaluation problem are presented.

Subject Keywords

Defense industries., Supplier Evaluation, Supplier Selection, Analytic Hierarchy Process (AHP), Case Study.

URI

http://etd.lib.metu.edu.tr/upload/12623284/index.pdf
https://hdl.handle.net/11511/43441

Collections

Graduate School of Social Sciences, Thesis

Suggestions

OpenMETU
Core

Supplier Selection For Assembly Components Under Lead Time Uncertainty Kürekci, Zeynep; Gürel, Sinan; Department of Industrial Engineering (2022-2) Supplied components constitute a great majority of companies’ total cost and supplier selection is one of the key operations of supply chain management in the competitive world. In this study, our main concern is to start assembly processes of an aircraft company at the planned starting date by receiving components that are required for each process on time. We decide on which components will be ordered from which suppliers under scenario based supplier lead times. The aim is to minimize total cost resultin...
Using soft systems methodology approach to improve technical solution sub-process of engineering process in a SME:a case study Özkan Yıldırım, Sevgi (null; 2018-10-27) Small and Medium-sized Enterprises (SMEs) from different business sectors, that are certified by some standardization organizations, are increasingly prioritizing the process improvement to raise their product’s quality. This paper proposes a qualitative research that will consider the question ‘how are the means of optimizing change in SME’s engineering process certified by CMMI, identified and modeled consistently, using Soft Systems Methodology (SSM)?’. The author analyzed problematic cases related with ...
Development of a new hesitant fuzzy ranking model for NTMP ranking problem ATALAY, KUMRU DİDEM; İÇ, YUSUF TANSEL; KEÇECİ, BARIŞ; YURDAKUL, MUSTAFA; Boran, Melis (2021-10-01) Nontraditional manufacturing processes (NTMPs) bring the processing capabilities such as machining high strength and hard materials with desired accuracies and surface finish to the manufacturing companies. Therefore, there has been a significant increase in the use and number of NTMPs. Hence, choosing a particular NTMP for a specific application turns out to be a complex decision-making problem, which involves conflicting qualitative and quantitative ranking criteria. In recent NTMP ranking literature, it ...
Joint quantity flexibility for multiple products in a decentralized supply chain Karakaya, Selcuk; Bakal, İsmail Serdar (2013-02-01) In this study, we analyze a decentralized supply chain with a single retailer and a single manufacturer where the retailer sells multiple products in a single period. The products differ in terms of a limited number of features only. The retailer places initial orders based on preliminary demand forecasts at the beginning of the period and has an opportunity to modify its initial order after receiving perfect demand information. However, the final orders of the retailer are constrained by its initial orders...
New product introduction incentives for suppliers and a common retailer Kırcı, Kubilay.; Karaer, Özgen; Department of Industrial Engineering (2020) In this thesis, we investigate the effect of the new product introduction in a supply chain of two suppliers and a common retailer. We study two settings. In this first, we find the two-product equilibrium in which each supplier produces one product and sells his product through a two echelon supply chain. In the first stage, suppliers announce their wholesale price simultaneously. Then, the retailer sets the retail price that maimizes her profit. In the second setting, one of the suppliers considers introd...

Citation Formats

B. Kartal, “Development of an AHP based supplier evaluation system: a case study in a Turkish defense firm,” Thesis (M.S.) -- Graduate School of Social Sciences. Business Administration., Middle East Technical University, 2019.