Bulls-eye -Bulls-eye,developed method for MCDM with gray numbers for selecting the equipment supplier (case study selection and purchase of hospital equipment

Document Type : Research Paper


1 Associate Prof., Dep. of Industrial Engineering, University of Qom, Qom, Iran

2 M.Sc. Student in Industrial Engineering, University of Qom. Qom, Iran


The selection of suppliers, equipment and machinery in the industrial and services sectors has always been one of the main concerns of senior managers in the field. Such decisions are usually complex nature and has many models and methods for decision-making for the selection of equipment and suppliers have been proposed. This study intends in conditions of uncertainty using MCDM and gray number theory a new approach to the selection of equipment and machinery is suitable with criteria defined offer.
For this purpose, the proposed method Bulls-eye , Bulls-eye based on gray numbers at the same time for weighting and ranking criteria to select options for buying the things (study of hospital equipment) used. This framework is based on the integrity and accuracy and most importantly Provides three index for the verification of the results of Multi-Criteria Decision Making under Uncertainty helpful. The results also show such an approach can be a good performance compared to reduce the complexity of computing And the applicability of the results of the proposed approach have real feedback


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