Integrated Strategic-tactical Framework for the Design of Export Agri-food Supply Chains using a Multi-period MILP Optimization Approach
DOI:
https://doi.org/10.26439/ing.ind2026.n50.8581Keywords:
supply chain, mixed-integer linear programming, optimization model, strategic and tactical planning, agri-foodAbstract
Designing export-oriented agri-food supply chains requires integrating strategic and tactical decisions under varying production and commercial conditions. This study proposes a strategic-tactical optimization framework based on a multi-period mixed-integer linear programming (MILP) model for designing agri-food supply chains to optimize investment, facilities, sourcing, and transportation over multiple periods. Furthermore, the model’s robustness is evaluated through sensitivity analysis of key parameters. The approach is applied to the pitahaya industry over a ten-year horizon. The model determines an initial investment of S/ 680 186,9 and annual cash flows of S/ 769 007,3 starting in the sixth year. The optimal configuration includes eight modular warehouses and 19 934 concrete supports. Transportation is optimized through a multimodal strategy with annual costs of up to S/ 206 180, demonstrating improvements in economic performance and the optimal supply chain configuration.
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