Generating Dispatching Rules for the Interrupting Swap-Allowed Blocking Job Shop Problem Using Graph Neural Network and Reinforcement Learning

• URL: http://arxiv.org/abs/2302.02506v2
• Date: Thu, 28 Sep 2023 21:21:48 GMT
• Title: Generating Dispatching Rules for the Interrupting Swap-Allowed Blocking Job Shop Problem Using Graph Neural Network and Reinforcement Learning
• Authors: Vivian W.H. Wong, Sang Hun Kim, Junyoung Park, Jinkyoo Park, Kincho H. Law
• Abstract summary: The interrupting swap-allowed blocking job shop problem (ISBJSSP) is able to model many manufacturing planning and logistics applications realistically. We introduce a dynamic disjunctive graph formulation characterized by nodes and edges subjected to continuous deletions and additions. A simulator is developed to simulate interruption, swapping, and blocking in the ISBJSSP setting.
• Score: 21.021840570685264
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The interrupting swap-allowed blocking job shop problem (ISBJSSP) is a complex scheduling problem that is able to model many manufacturing planning and logistics applications realistically by addressing both the lack of storage capacity and unforeseen production interruptions. Subjected to random disruptions due to machine malfunction or maintenance, industry production settings often choose to adopt dispatching rules to enable adaptive, real-time re-scheduling, rather than traditional methods that require costly re-computation on the new configuration every time the problem condition changes dynamically. To generate dispatching rules for the ISBJSSP problem, we introduce a dynamic disjunctive graph formulation characterized by nodes and edges subjected to continuous deletions and additions. This formulation enables the training of an adaptive scheduler utilizing graph neural networks and reinforcement learning. Furthermore, a simulator is developed to simulate interruption, swapping, and blocking in the ISBJSSP setting. Employing a set of reported benchmark instances, we conduct a detailed experimental study on ISBJSSP instances with a range of machine shutdown probabilities to show that the scheduling policies generated can outperform or are at least as competitive as existing dispatching rules with predetermined priority. This study shows that the ISBJSSP, which requires real-time adaptive solutions, can be scheduled efficiently with the proposed method when production interruptions occur with random machine shutdowns.

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