4.6 Article

Resilient supply chain network design under disruption and operational risks

Journal

SOFT COMPUTING
Volume -, Issue -, Pages -

Publisher

SPRINGER
DOI: 10.1007/s00500-023-09338-8

Keywords

Uncertainty theory; Resilience; Supply chain; Disruption risk; Operational risk

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This paper focuses on the problems faced by supply chain resilience design and proposes two uncertain programming models to address the risks in the supply chain. By controlling costs and handling uncertainty, these models can help make better decisions. The proposed models are validated through examples and a practical case, demonstrating their effectiveness and feasibility.
Nowadays, supply chain resilience has drawn widespread attention from academics and practitioners due to the high likelihood of operational risk and the destructive consequence of disruption risk. However, the studies on resilient supply chain design considering these two types of risks are limited. Furthermore, how to quantify the uncertainty arising from the lack of historical data in the planning stage has not been sufficiently studied. Aiming at these problems, this paper presents two uncertain programming models that optimize strategic decisions before disruptions and supply chain operations after disruptions. The proposed models introduce p-robustness measure to control the cost in disruption scenarios. Besides, uncertainty theory is adopted to handle parameter uncertainty without historical data. Later, these two programming models are converted into their corresponding deterministic equivalents, which can be solved by cplex. Finally, we illustrate the validity and feasibility of the proposed models and explore the impact of critical parameters on the optimal solution by implementing a series of randomly generated instances and a practical case. The observations may provide some interesting managerial insights for decision-making in reality.

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