Robust car sequencing for automotive assembly

Andreas Hottenrott, Leon Waidner and Martin Grunow

European Journal of Operational Research, 2021, vol. 291, issue 3, 983-994

Abstract: Just-in-sequence material supply is the status quo in the automotive industry. In this process, the assembly sequence of vehicles is set several days prior to production, and communicated to the suppliers. The committed sequence is essential for efficient operations both at the original equipment manufacturer and its suppliers. In practice, however, sequence stability is insufficient. Short-term disruptions, such as quality problems and missing parts, put the sequence at risk. If a disruption occurs, the affected vehicle is removed from the sequence. The resulting gap is closed by bringing the succeeding vehicles forward. Such sequence alterations, however, cause workload changes and potentially work overloads at the assembly stations. As a remedial measure, additional sequence alterations are necessary, which further disturb material supply. Robustness against short-term sequence alterations is currently a key objective of automotive manufacturers.

Keywords: Production; Sequence stability; Supplier signal; Branch-and-bound; Adaptive large neighborhood search (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:291:y:2021:i:3:p:983-994

DOI: 10.1016/j.ejor.2020.10.004

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