This paper presents an analytical technique to determine the optimum number of cards to control material release in a CONWIP system. The work focuses on the card setting problem for a flow-shop system characterised by the presence of a batch processing machine (e.g. a kiln for long heat treatment). To control production, two different static approaches are developed: the first one is used when the bottleneck coincides with the batch processing machine and the second one is proposed when the bottleneck is another machine of the flow shop. In both contexts, by means of the appropriate model, one can optimize the performance of the flowshop by maximizing the throughput and keeping the work in process at a minimum level. Numerical examples are also included in the paper to confirm the validity of the models and to demonstrate their practical utility.
CONWIP card setting in a flow-shop system with a batch production machine / Braglia, M.; Frosolini, M.; Gabbrielli, R.; Zammori, F.. - In: INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING COMPUTATIONS. - ISSN 1923-2934. - 1(2011), pp. 1-18. [10.5267/j.ijiec.2010.07.004]
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