Incremental order quantity for the case of very lumpy demand

Article Abstract:

The Wagner-Whitin technique is effective for the formulation of procedures for determining lot sizes and resupply order timing. However, this technique entails complicated and lengthy calculations, so two similar methods are used for simplicity. The Silver and Meal approach minimizes cost per unit time during the period that the order quantity lasts. The incremental order quantity method determines a replenishment strategy where there is a time-varying deterministic demand pattern.

Factory orders, Economic lot size

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Expectation-variance analysis of job sequences under processing time uncertainty

Article Abstract:

The optimality and efficiency of job sequences in the context of flow time problems are analysed. Expectation-variance efficient sequences are identified and studied in the context of financial analysis. Algorithms are viewed as solutions to single-machine flow-time problem and applied to extensions involving job weights, precedence relations and multiple machines. This is for the purpose of focusing on the maximization of schedulingmodels to properly account for risk.

Industrial management

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Multiple batch structures in throughput scheduling

Article Abstract:

An approach involving multiple batch structures is used for throughput scheduling. The application of multiple batch structures to process configurations increases time constrained throughput despite the longer setup period. However, this advantage is lessened by positive quantities of process configuration are present. Lessening the number of machine setups does not always result in maximum throughput.

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