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Dynamic Scheduling of Maintenance by a Reinforcement Learning Approach: A Semiconductor Simulation Study

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Abstract

Scheduling in a semiconductor back-end factory is an extremely sophisticated and complex task. In semiconductor industry, more often than not, the scheduling of maintenance is underexposed to production scheduling. This is a missed opportunity as maintenance and production activities are deeply intertwined. This study considers the dynamic scheduling of maintenance activities on an assembly line. A policy is constructed to schedule a cleaning activity on the last machine of an assembly line such that the average production rate is maximized. The policy takes into account the given flexibility and the buffer content of the buffers in-between the machines in the assembly line. A Markov Decision Process is formulated for the problem and solved using Value Iteration and Reinforcement Learning Algorithms. In addition, for a real world case study, a simulation analysis is performed to evaluate the potential practical benefits
Original languageEnglish
Title of host publicationProceedings of the 2022 Winter Simulation Conference
Subtitle of host publicationReimagine Tomorrow
EditorsB. Feng, G. Pedrielli, Y. Peng, S. Shashaani, E. Song, C.G. Corlu, L.H. Lee, E.P. Chew, T. Roeder, P. Lendermann
PublisherInstitute of Electrical and Electronics Engineers
Pages3110-3121
Number of pages12
ISBN (Electronic)978-1-6654-7661-4
DOIs
Publication statusPublished - 23 Jan 2023
Event2022 Winter Simulation Conference, WSC 2022: Reimagine Tomorrow - Singapore, Singapore
Duration: 11 Dec 2022 → 14 Dec 2022
https://meetings.informs.org/wordpress/wsc2022/

Conference

Conference2022 Winter Simulation Conference, WSC 2022
Country/TerritorySingapore
CitySingapore
Period11/12/22 → 14/12/22
Internet address

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