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Work-in-Process Balancing Control in Global Fab Scheduling for Semiconductor Manufacturing

Abstract : This paper addresses the problem of controlling the Work-In-Process (WIP) in semiconductor manufacturing by using a global scheduling approach. Global fab scheduling steers scheduling decisions at work-center level by providing objective in terms of production targets, i.e. product quantities to complete for each operation and at each period on a scheduling horizon. A WIP balancing strategy is proposed to minimize the product mix variability in terms of throughput and cycle time. This strategy is enforced using a global scheduling optimization model which is formulated as a linear programming model. The global scheduling model is coupled with a generic multi-method simulation model for evaluation purpose. Computational results on industrial data show that the WIP balancing strategy provides a better control of the WIP in the system and helps to minimize product mix variability while maintaining high throughput.
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Contributor : Felicien Barhebwa-Mushamuka <>
Submitted on : Tuesday, July 7, 2020 - 10:09:36 AM
Last modification on : Wednesday, August 5, 2020 - 3:50:02 AM




Felicien Barhebwa-Mushamuka, Stéphane Dauzere-Peres, Claude Yugma. Work-in-Process Balancing Control in Global Fab Scheduling for Semiconductor Manufacturing. 2019 Winter Simulation Conference (WSC), Dec 2019, National Harbor, France. pp.2257-2268, ⟨10.1109/WSC40007.2019.9004741⟩. ⟨emse-02891775⟩



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