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Simulation of unbalanced buffer allocation in unreliable unpaced production lines

Author

Listed:
  • Tom Mcnamara

    (ESC Rennes School of Business - ESC [Rennes] - ESC Rennes School of Business)

  • Sabry Shaaban

    (Groupe Sup de Co La Rochelle)

  • Sarah Hudson

    (ESC [Rennes] - ESC Rennes School of Business)

Abstract

This article presents the results of a study investigating the performance of unpaced unreliable production lines (i.e. subject to breakdown) that are unbalanced in terms of their buffer storage sizes. Simulation is carried out for five, eight and 10 station lines with mean buffer space set at two, four and six units. Buffer capacity is allocated in different configurations for each of these lines. Performance indicators on throughput, idle time and average buffer level are analysed using a range of statistical tools, and relationships between the independent and dependent variables are determined. Overall results show that the best patterns for unreliable lines in terms of generating higher throughput rates (or lower idle times) as compared to a balanced line are those where total available buffer capacity is allocated as evenly as possible between workstations. In contrast, concentrating more buffer capacity towards the end of the line gives best average buffer level results.

Suggested Citation

  • Tom Mcnamara & Sabry Shaaban & Sarah Hudson, 2013. "Simulation of unbalanced buffer allocation in unreliable unpaced production lines," Post-Print hal-00841245, HAL.
    • Handle: RePEc:hal:journl:hal-00841245
    as

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