Transfer Learning-Based Framework for Joint Scheduling and Control Across Manufacturing Domains Toward Industry 5.0
Panagiotis D. Parashos , Dimitrios E. Koulouriotis
Engineering ›› : 202608030
Industry 5.0 is a novel manufacturing paradigm that aims to create human-centric, sustainable, and resilient manufacturing systems by fostering deep collaboration between humans and sophisticated technologies. Stochastic manufacturing environments require adaptable scheduling and control policies for fluctuating conditions such as demand, variable processing times, and frequent equipment failures. Although conventional dispatching rules and control policies are readily implemented, they often yield high scrap rates and excessive maintenance operations. Consequently, reinforcement learning (RL) has emerged as a data-driven alternative for addressing these issues. Despite its effectiveness, the practical implementation of RL presents several challenges including learning process initialization. This study addresses these limitations by proposing a transfer learning (TL)-based framework for joint scheduling and control in dynamic multi-line manufacturing environments. The objective is to improve production output and energy efficiency through intelligent manufacturing and predictive maintenance, thereby supporting long-term sustainability, human-centric operations, and operational resilience toward Industry 5.0. The proposed framework transfers knowledge from a conventional multi-line manufacturing environment to an additive manufacturing (AM) environment by implementing a long short-term memory network to facilitate the transfer of joint control policies across heterogeneous manufacturing domains. The generalizability and domain adaptation of the framework are evaluated by applying it to an AM environment to jointly control operations, including the printing process and output quality. The results reveal that the domain-adapted network achieves perfect diagonal scores with off-diagonal scores equivalent to zero, indicating that substantially distinct policies are developed for each domain without cross-domain confusion. These findings demonstrate that TL can significantly improve efficiency and reliability in a manufacturing setting, thereby providing a viable approach for practical deployment.
Cyber-physical manufacturing / Additive manufacturing / Reinforcement learning / Attention-enhanced LSTM / Human-centric manufacturing / Dynamic decision-making
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