Product outsourcing policy for a sustainable flexible manufacturing system with reworking and green investment

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Abstract

Production of defective products is a very general phenomenon. But backorder and shortages occur due to this defective product, and it hampers the manufacturer's reputation along with customer satisfaction. That is why, these outsourced products supply, a portion of required products for in-line production. This study develops a flexible production model that reworks repairable defective products and outsources products to prevent backlogging. A percentage of total in-line production is defective products, which is random, and those defective products are repairable. A green investment helps the reworking process, which has a direct impact on the market demand for products. A classical optimization solves the profit maximization model, and a numerical method proves the global optimal solutions. Sensitivity analysis, managerial insights, and discussions provide the highlights and decision-making strategies for the applicability of this model.

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Bachar, R. K., Bhuniya, S., Ghosh, S. K., AlArjani, A., Attia, E., Uddin, M. S., & Sarkar, B. (2023). Product outsourcing policy for a sustainable flexible manufacturing system with reworking and green investment. Mathematical Biosciences and Engineering, 20(1), 1376–1401. https://doi.org/10.3934/mbe.2023062

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