Abstract

In this study, we have introduced a multiobjective mathematical model for supplier selection problems with multi-supplier and multi-item delivery in the cement production industry. The selection of the right suppliers is the most important part of the problem in choosing the percentage of expected defect rate of items and the flexibility of on-time delivery by different suppliers. Sometimes, we consider suppliers of their late-deliver items, as well as the percentage of expected defect rate of different items due to trustable, dutiful, and believable suppliers and, in the next time, maintain a better quality of their items as well as on-time deliveries of their products. In this situation, some percentage of ontime delivery defect items are assumed to be reworked. Hence the coefficient parameters are taken as triangular fuzzy numbers together with stochastic variables that is, hybrid numbers. Then the said problem is transformed into a fuzzy mathematical model and uses a fuzzy decision-making method to solve this problem. Numerical examples have been provided to support the said problem.

Author: Bablu Samanta

Received on: March, 2024

Accepted on: July, 2025