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Learning-based simulated annealing algorithm for unequal area facility layout problem

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Abstract

This paper proposes a learning-based simulated annealing (LSA) algorithm to tackle the NP-hard unequal area facility layout problem (UA-FLP). The goal of UA-FLP is to optimize the material flow between facilities of different sizes to enhance manufacturing efficiency. The LSA algorithm incorporates a novel solution representation, an improved penalty function and a diverse set of neighborhood operators to refine the search space. By utilizing a reinforcement learning-based controller, LSA enables a flexible and efficient exploration through state detection and fast feedback. A two-stage greedy local search is employed to further exploit the search space and enhance solution quality. Additional features include temperature sampling generation to minimize parameter settings, a greedy initial solution production to relax infeasible restrictions. Experimental results on 16 well-known instances validate LSA’s high proficiency compared to several state-of-the-art algorithms, and it exceeds 7 best-known solutions within a comparable time, particularly its excellent performance in large instances within a short execution time.

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The data and materials used or analyzed during the current study are available from the first author on reasonable request.

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Acknowledgements

This work is supported by Nature Science Foundation of Fujian Province of People’s Republic of China (Nos. 2020J01570, 2023J01078).

Funding

This work is supported by Nature Science Foundation of Fujian Province of People’s Republic of China (Nos. 2020J01570, 2023J01078).

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Contributions

All the authors contributed to the study conception and design. The draft of the manuscript was written by JL. AS and LW were responsible for experimental validation and data collation. Material preparation and core code designed was performed by YZ. All the authors read and approved the final manuscript.

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Correspondence to Yiwen Zhong.

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Lin, J., Shen, A., Wu, L. et al. Learning-based simulated annealing algorithm for unequal area facility layout problem. Soft Comput 28, 5667–5682 (2024). https://doi.org/10.1007/s00500-023-09372-6

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  • DOI: https://doi.org/10.1007/s00500-023-09372-6

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