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Scheduling production of multiple part-types in a system with pre-known demands and deterministic inactive time intervals


  • Corominas, Albert
  • Pastor, Rafael


We introduce and formalise a scheduling problem that consists in determining an optimum policy (i.e. one that minimises total inventory holding costs) to produce n part-types using a system that is able to share its capacity at all times among these part-types and that switches between an active and an inactive state for pre-known periods of time. Consequently, when active the system must produce enough reserves to meet the demand during the inactive interval. We show that there is always a simple optimum policy in which the production of the part-types is prioritised and, provided the units are properly defined, the optimum priority ordering corresponds to a non-decreasing sequence of the unit holding costs of the part-types.

Suggested Citation

  • Corominas, Albert & Pastor, Rafael, 2009. "Scheduling production of multiple part-types in a system with pre-known demands and deterministic inactive time intervals," European Journal of Operational Research, Elsevier, vol. 193(2), pages 639-643, March.
  • Handle: RePEc:eee:ejores:v:193:y:2009:i:2:p:639-643

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    References listed on IDEAS

    1. Szwarc, Wlodzimierz, 2007. "Some remarks on the decomposition properties of the single machine total tardiness problem," European Journal of Operational Research, Elsevier, vol. 177(1), pages 623-625, February.
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