A multi-objective approach for manufacturing systems with multiple production routes based on supervisory control theory and heuristic algorithms
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Universidade Federal de Minas Gerais
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Artigo de periódico
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Heterogeneity among equipment in industrial production lines may have a major impact on energy consumption and makespan. The Supervisory Control Theory of discrete event systems proved to be especially useful to model the production system respecting its constraints and ensuring the safe execution on a real plant, such that an optimized production plan can be picked among the safe sequences. In this work, the makespan and the energy consumption minimization problem in discrete event systems with multiple production routes is addressed as a multi-objective problem. A multi-objective modeling is proposed, which considers the information regarding the power demanded by the system in each state of each equipment and the expected duration of each operation in the system. A dedicated Multi-Objective Variable Neighborhood Search (MOVNS) algorithm is also proposed to estimate an adequate set of trade-off solutions. A multi-criteria decision aid method is used to support the selection of an appropriate solution for the problem. The combination of the proposed modeling with both the MOVNS and a decision-making support has shown to be efficient regarding the solution of four test instances considered in this work.
Abstract
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Sistemas de tempo discreto
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Multi-objective optimization, Production Planning, Discrete Event Systems, Supervisory Control Theory
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https://link.springer.com/article/10.1007/s10626-023-00379-7