期刊
MATHEMATICAL AND COMPUTATIONAL APPLICATIONS
卷 27, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/mca27060106
关键词
multi-objective optimization; knowledge discovery; reconfigurable manufacturing system; simulation
资金
- Knowledge Foundation (KKS), Sweden, through the KKS Profile Virtual Factories with Knowledge-Driven Optimization, VF-KDO [2018-0011]
This study introduces a knowledge-driven optimization (KDO) approach to accelerate convergence in reconfigurable manufacturing systems (RMS) applications. By generating generalized knowledge from previous scenarios to improve the optimization efficiency of new scenarios, the KDO approach leads to convergence rate improvements in a multi-part flow line RMS.
Current market requirements force manufacturing companies to face production changes more often than ever before. Reconfigurable manufacturing systems (RMS) are considered a key enabler in today's manufacturing industry to cope with such dynamic and volatile markets. The literature confirms that the use of simulation-based multi-objective optimization offers a promising approach that leads to improvements in RMS. However, due to the dynamic behavior of real-world RMS, applying conventional optimization approaches can be very time-consuming, specifically when there is no general knowledge about the quality of solutions. Meanwhile, Pareto-optimal solutions may share some common design principles that can be discovered with data mining and machine learning methods and exploited by the optimization. In this study, the authors investigate a novel knowledge-driven optimization (KDO) approach to speed up the convergence in RMS applications. This approach generates generalized knowledge from previous scenarios, which is then applied to improve the efficiency of the optimization of new scenarios. This study applied the proposed approach to a multi-part flow line RMS that considers scalable capacities while addressing the tasks assignment to workstations and the buffer allocation problems. The results demonstrate how a KDO approach leads to convergence rate improvements in a real-world RMS case.
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