Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/80431
Type: Artigo de periódico
Title: Regular policies and stability of dynamic scheduling for manufacturing systems
Author: Figueiredo, M
Gomide, F
Abstract: In modern manufacturing systems, where parts and products are produced automatically, there are buffers on each machine in order to achieve the desired trade-off between conflicting goals such as maximizing production throughput and keeping work-in-process inventory at reasonable levels. In consequence, scheduling policies that establish buffer levels and machine operations dynamics are needed. The stability of dynamic manufacturing systems depends on the type of scheduling policy. Here, we suggest a class of policies that stabilize, in real time, all machine buffers of a dynamic manufacturing system, that is, all buffer levels remain lower than some upper bounds. Moreover, we develop a closed formula to determine a buffer capacity for each machine and part-type. For comparison purposes, we take scheduling policies proposed in the literature, and consider two performance criteria: upper bound and average buffer levels. Simulation results are also included to show the effectiveness of the proposed policies. Copyright (C) 1996 Elsevier Science Ltd.
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Rights: fechado
Identifier DOI: 10.1016/0305-0548(96)00005-6
Date Issue: 1996
Appears in Collections:Unicamp - Artigos e Outros Documentos

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