Jun Guo , Bin Peng , Baigang Du , Kaipu Wang , Yibing Li
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Q-learning-based multi-objective spotted hyena algorithm for flexible open shop scheduling problem with consideration of preventive maintenance and travel/setup times
This paper presents a flexible open shop scheduling problem considering preventive maintenance, travel time between machines, and sequence-dependent setup time (FOSSP-PM&TT) to address the impact of routine maintenance on shop productivity. According to the characteristics of the problem, a mathematical model is developed to simultaneously minimize the makespan and mean flow time. Then, a Q-learning-based multi-objective spotted hyena optimization algorithm (Q-MSHO) is proposed to solve this problem. Four neighborhood structures are designed in accordance with characteristics of the FOSSP-PM&TT. And a Q-learning-based variable neighborhood search strategy is proposed to update the selection of local search operations in each iteration. Finally, computational experiments are performed on test instances of different sizes to evaluate the performance of the proposed algorithm. The experimental outcomes demonstrate that the Q-MSHO algorithm exhibits superior performance compared to the other algorithms in addressing the FOSSP-PM&TT problem.
期刊介绍:
The Journal of Manufacturing Systems is dedicated to showcasing cutting-edge fundamental and applied research in manufacturing at the systems level. Encompassing products, equipment, people, information, control, and support functions, manufacturing systems play a pivotal role in the economical and competitive development, production, delivery, and total lifecycle of products, meeting market and societal needs.
With a commitment to publishing archival scholarly literature, the journal strives to advance the state of the art in manufacturing systems and foster innovation in crafting efficient, robust, and sustainable manufacturing systems. The focus extends from equipment-level considerations to the broader scope of the extended enterprise. The Journal welcomes research addressing challenges across various scales, including nano, micro, and macro-scale manufacturing, and spanning diverse sectors such as aerospace, automotive, energy, and medical device manufacturing.