The value of using scheduling information in planning material requirements

Article Abstract:

Manufacturing institutions that are eyeing to improve their production efficiency may try scheduling inventory information. This approach does not only guarantee a significant reduction in raw material inventory activities, but optimizing deliveries, as well. The approach may also be integrated in a queueing system-based heuristics which may be used to manage material requirements in highly complicated settings. Manufacturers may aso try increasing lead times in order to ensure that shop orders are distributed efficiently to the scheduling system.

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The effect of lead time uncertainty on safety stocks

Article Abstract:

The flaws in the managerial prescriptions implied by the normal approximation and the two areas of focus, such as the reduction of the replenishment lead time from suppliers and the variability of this lead time are described. The results suggest that using the normal approximation makes sense if lead times are normally distributed, but it would not make sense if lead times follow a distribution closer to the gamma.

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Coordinated capacitated lot-sizing problem with dynamic demand: A Lagrangian heuristic

Article Abstract:

A mixed-integer programming formulation and Langrangian relaxation solution procedure for the single-family coordinated capacitated lot-sizing problem with dynamic demand is described. The results display the superiority of the dual-based heuristic over linear programming-based approaches to the problem.

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