Can deep reinforcement learning improve inventory management? Performance on lost sales, dual-sourcing, and multi-echelon problems

Joren Gijsbrechts*, Robert N. Boute, Jan A. van Mieghem, Dennis J. Zhang

*Autor correspondente para este trabalho

Resultado de pesquisarevisão de pares

4 Citações (Scopus)
1 Transferências (Pure)

Resumo

Problem definition: Is deep reinforcement learning (DRL) effective at solving inventory problems? Academic/practical relevance: Given that DRL has successfully been applied in computer games and robotics, supply chain researchers and companies are interested in its potential in inventory management. We provide a rigorous performance evaluation of DRL in three classic and intractable inventory problems: lost sales, dual sourcing, and multi-echelon inventory management. Methodology: We model each inventory problem as a Markov decision process and apply and tune the Asynchronous Advantage Actor-Critic (A3C) DRL algorithm for a variety of parameter settings. Results: We demonstrate that the A3C algorithm can match the performance of the state-of-the-art heuristics and other approximate dynamic programming methods. Although the initial tuning was computationally demanding and time demanding, only small changes to the tuning parameters were needed for the other studied problems. Managerial implications: Our study provides evidence that DRL can effectively solve stationary inventory problems. This is especially promising when problem-dependent heuristics are lacking. Yet, generating structural policy insight or designing specialized policies that are (ideally provably) near optimal remains desirable.
Idioma originalEnglish
Páginas (de-até)1349-1368
Número de páginas20
RevistaManufacturing and Service Operations Management
Volume24
Número de emissão3
DOIs
Estado da publicaçãoPublicado - mai 2022

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