A Deep Q-Network Based on Radial Basis Functions for Multi-Echelon Inventory Management

• URL: http://arxiv.org/abs/2401.15872v1
• Date: Mon, 29 Jan 2024 04:11:56 GMT
• Title: A Deep Q-Network Based on Radial Basis Functions for Multi-Echelon Inventory Management
• Authors: Liqiang Cheng, Jun Luo, Weiwei Fan, Yidong Zhang, Yuan Li
• Abstract summary: This paper addresses a multi-echelon inventory management problem with a complex network topology. It develops a DRL model whose Q-network is based on radial basis functions. It produces a better policy in the multi-echelon system and competitive performance in the serial system where the base-stock policy is optimal.
• Score: 6.149034764951798
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This paper addresses a multi-echelon inventory management problem with a complex network topology where deriving optimal ordering decisions is difficult. Deep reinforcement learning (DRL) has recently shown potential in solving such problems, while designing the neural networks in DRL remains a challenge. In order to address this, a DRL model is developed whose Q-network is based on radial basis functions. The approach can be more easily constructed compared to classic DRL models based on neural networks, thus alleviating the computational burden of hyperparameter tuning. Through a series of simulation experiments, the superior performance of this approach is demonstrated compared to the simple base-stock policy, producing a better policy in the multi-echelon system and competitive performance in the serial system where the base-stock policy is optimal. In addition, the approach outperforms current DRL approaches.

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