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Aligning workload control theory and practice: lot splitting and operation overlapping issues

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  • Nuno O. Fernandes
  • Martin J. Land
  • S. Carmo-Silva

Abstract

This paper addresses the problem of lot splitting in the context of workload control (WLC). Past studies on WLC assumed that jobs released to the shop floor proceed through the different stages of processing without being split. However, in practice, large jobs are often split into smaller transfer sublots so that they can move more quickly and independently through the production process and allow operations overlapping relating to the same job. This paper assesses the performance of different lot splitting policies for job release and dispatching strategies under lot splitting. A new dispatching rule was designed to specifically take advantage of lot splitting and operations overlapping in the context of WLC. Discrete-event simulation is used to assess system performance in relation to the ability to provide shorter delivery times and on time deliveries. Results highlight the importance of releasing the sublots of the same job together and demonstrate that combining an effective lot splitting policy with an appropriate dispatching rule can enhance the performance of production systems.

Suggested Citation

  • Nuno O. Fernandes & Martin J. Land & S. Carmo-Silva, 2016. "Aligning workload control theory and practice: lot splitting and operation overlapping issues," International Journal of Production Research, Taylor & Francis Journals, vol. 54(10), pages 2965-2975, May.
  • Handle: RePEc:taf:tprsxx:v:54:y:2016:i:10:p:2965-2975
    DOI: 10.1080/00207543.2016.1143134
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    Citations

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    Cited by:

    1. Davide Mezzogori & Giovanni Romagnoli & Francesco Zammori, 2021. "Defining accurate delivery dates in make to order job-shops managed by workload control," Flexible Services and Manufacturing Journal, Springer, vol. 33(4), pages 956-991, December.
    2. Onay, Anita & Stampfer, Christina & Missbauer, Hubert, 2023. "A behavioral perspective on workload control concepts: The influence of order release on operators’ reaction behavior," International Journal of Production Economics, Elsevier, vol. 264(C).
    3. Matthias Thürer & Nuno O. Fernandes & Mark Stevenson & Cristovao Silva & Silvio Carmo-Silva, 2019. "POLC-A: an assessment of POLCA’s authorization element," Journal of Intelligent Manufacturing, Springer, vol. 30(6), pages 2435-2447, August.
    4. Kaustav Kundu & Martin J. Land & Alberto Portioli-Staudacher & Jos A. C. Bokhorst, 2021. "Order review and release in make-to-order flow shops: analysis and design of new methods," Flexible Services and Manufacturing Journal, Springer, vol. 33(3), pages 750-782, September.
    5. Matthias Thürer & Mark Stevenson, 2021. "Material handling and order release control in high-variety make-to-order shops: an assessment by simulation," Operations Management Research, Springer, vol. 14(3), pages 494-506, December.

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