Mean time imbalance effects on unreliable unpaced serial flow lines

Sabry Shaaban, Tom Mcnamara and Sarah Hudson
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Sabry Shaaban: Excelia Group | La Rochelle Business School
Tom Mcnamara: ESC Rennes School of Business - ESC [Rennes] - ESC Rennes School of Business
Sarah Hudson: ESC Rennes School of Business - ESC [Rennes] - ESC Rennes School of Business

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Abstract: This paper investigates the benefits of deliberately unbalancing operation time means for unreliable non-automated production lines. The lines were simulated with various line lengths, buffer capacities, degrees of imbalance and patterns of imbalance. Data on two performance measures, namely throughput and average buffer level were gathered, analyzed and compared to a balanced line counterpart. A number of conclusions were made with respect to the ranking of configurations, as well as to the relationships among the independent design parameters and the dependent variables. It was found that the best configurations are a balanced line arrangement and a monotone decreasing order, with the first generally resulting in lower throughput and the second leading to lower average buffer levels than those of a balanced line. Preliminary results show that unbalanced lines cope well with unreliability.

Date: 2014-07
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Published in Journal of Manufacturing Systems, 2014, 33 (3), pp.357-365. ⟨10.1016/j.jmsy.2014.02.006⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-04056780

DOI: 10.1016/j.jmsy.2014.02.006

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