A Mathematical Model for Suppliers' Evaluation and Purchasing Spare Parts (A case study: Ferdowsi Power Plant, Mapna Operation and Repair Company)

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RASHIDI KOMIJAN ALIREZA; Masoudifar Ahmad

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Journal: INNOVATION MANAGEMENT AND OPERATIONAL STRATEGIES Year:2021 | Volume:1 | Issue:4 Page(s): 383-402

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Title

A Mathematical Model for Suppliers' Evaluation and Purchasing Spare Parts (A case study: Ferdowsi Power Plant, Mapna Operation and Repair Company)

Author(s)

RASHIDI KOMIJAN ALIREZA | Masoudifar Ahmad | Issue Writer Certificate

Keywords

Supplier evaluation

Spare parts

Binary programming

TOPSIS

Group AHP

Abstract

Purpose: One of the most important issues in supplying equipment and managing Spare parts for power plant industries is evaluating and selecting suppliers and assigning orders to them. The aim of this study is to achieve a comprehensive model for ranking the suppliers, classification the parts, evaluation of suppliers and optimal allocation of orders. Methodology: For this purpose, in the first stage, the indicators of supplier's evaluation were determined and weight of evaluation indicators calculated by taking opinions of experts and using Group AHP and Minimum squares techniques. Prioritization and grouping of parts were done by sampling the Kraljic matrix and the priority factor of each part was determined. In the second stage, by using the TOPSIS technique, the rank of each supplier in terms of supplying the potential parts was determined. In the third stage, the design of a mathematical model of planning the correct number zero-one was considered. The function of the target is to maximize the value of the purchase, and include the restrictions of zero-one planning, limited budget, and management policies. GAMS software was used to solve the model. Findings: The results show that determining the group for each part, considering the two dimensions of supply risk and the vitality of the part, provides a suitable management tool for equipment supply management and using the zero and one integer planning model, a suitable method for order allocation problems. It is in the field of Spare parts and the structure and components of the objective function and constraints can be changed according to the type of organization. Originality/Value: The TOPSIS technique properly combines the weight of evaluation indicators and expert opinions about the suppliers of each component, and the results can be used with confidence in the design of the mathematical model.

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APA: Copy

RASHIDI KOMIJAN, ALIREZA, & Masoudifar, Ahmad. (2021). A Mathematical Model for Suppliers' Evaluation and Purchasing Spare Parts (A case study: Ferdowsi Power Plant, Mapna Operation and Repair Company). INNOVATION MANAGEMENT AND OPERATIONAL STRATEGIES, 1(4 ), 383-402. SID. https://sid.ir/paper/405433/en

Vancouver: Copy

RASHIDI KOMIJAN ALIREZA, Masoudifar Ahmad. A Mathematical Model for Suppliers' Evaluation and Purchasing Spare Parts (A case study: Ferdowsi Power Plant, Mapna Operation and Repair Company). INNOVATION MANAGEMENT AND OPERATIONAL STRATEGIES[Internet]. 2021;1(4 ):383-402. Available from: https://sid.ir/paper/405433/en

IEEE: Copy

ALIREZA RASHIDI KOMIJAN, and Ahmad Masoudifar, “A Mathematical Model for Suppliers' Evaluation and Purchasing Spare Parts (A case study: Ferdowsi Power Plant, Mapna Operation and Repair Company),” INNOVATION MANAGEMENT AND OPERATIONAL STRATEGIES, vol. 1, no. 4 , pp. 383–402, 2021, [Online]. Available: https://sid.ir/paper/405433/en

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