Volume 55, Number 3, May-June 2021
|Page(s)||1971 - 2000|
|Published online||28 June 2021|
A bi-objective production-distribution problem in a supply chain network under grey flexible conditions
Department of Industrial Engineering, Yazd University, Yazd, Iran
2 Department of Mathematics and Big Data, Foshan University, Foshan, P.R. China
3 Department of Mathematics, Faculty of Mathematical Sciences, University of Mazandaran, Babolsar, Iran
4 Department of Industrial Engineering, K. N. Toosi University of Technology, Tehran, Iran
* Corresponding author: email@example.com
Accepted: 12 January 2021
One of the main topics discussed in a supply chain is the production-distribution problem. Producing and distributing the products plays a key role in reducing the costs of the chain. To design a supply chain, a network of efficient management and production-distribution decisions is essential. Accordingly, providing an appropriate mathematical model for such problems can be helpful in designing and managing supply chain networks. Mathematical formulations must be drawn close to the real world due to the importance of supply chain networks. This makes those formulations more complicated. In this study, a novel multi-objective formulation is devised for the production-distribution problem of a supply chain that consists of several suppliers, manufacturers, distributors, and different customers. Also, a Mixed Integer Linear Programming (MILP) mathematical model is proposed for designing a multi-objective and multi-period supply chain network. In addition, grey flexible linear programming (GFLP) is done for a multi-objective production-distribution problem in a supply chain network. The network is designed for the first time to cope with the uncertain nature of costs, demands, and capacity parameters. In this regard, due to the NP-hardness and complexity of problems and the necessity of using meta-heuristic algorithms, NSGA-II and Fast PGA algorithm are applied and compared in terms of several criteria that emphasize the quality and diversity of the solutions.
Key words: Supply chain network design / production-distribution problem / grey flexible programming / meta-heuristic algorithms
© EDP Sciences, ROADEF, SMAI 2021
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