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Assembly line balancing with parallel workstations

Author

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  • Eduardo Álvarez-Miranda
  • Sebastián Chace
  • Jordi Pereira

Abstract

The simple assembly line balancing problem (SALBP) considers work division among different workstations of a serially arranged assembly process to maximise its efficiency under workload (cumulative) and technological (precedence) constraints. In this work, we consider a variant of the SALBP which allows parallel workstations. To study the effect of parallel stations, we propose a new problem (the parallel station assembly line balancing problem or PSALBP) in which the objective is to minimise the number of parallel stations required to obtain the maximum theoretical efficiency of the assembly process. We study the complexity of the problem and identify a polynomially solvable case. This result is then used as a building block for the development of a heuristic solution procedure. Finally, we carry out a computational experiment to identify the characteristics of assembly lines that may benefit from station paralleling and to evaluate the performance of the proposed heuristic.

Suggested Citation

  • Eduardo Álvarez-Miranda & Sebastián Chace & Jordi Pereira, 2021. "Assembly line balancing with parallel workstations," International Journal of Production Research, Taylor & Francis Journals, vol. 59(21), pages 6486-6506, November.
    • Handle: RePEc:taf:tprsxx:v:59:y:2021:i:21:p:6486-6506
    DOI: 10.1080/00207543.2020.1818000
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    Cited by:

    1. Boysen, Nils & Schulze, Philipp & Scholl, Armin, 2022. "Assembly line balancing: What happened in the last fifteen years?," European Journal of Operational Research, Elsevier, vol. 301(3), pages 797-814.
    2. Battaïa, Olga & Dolgui, Alexandre, 2022. "Hybridizations in line balancing problems: A comprehensive review on new trends and formulations," International Journal of Production Economics, Elsevier, vol. 250(C).

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