Makespan estimation in batch process industries using aggregate resource and job set characteristics

Article Abstract:

To properly conduct aggregate control functions such as order acceptance and capacity loading, good estimates of the available production capacity need to be on hand. Capacity structures in batch process industries are generally so complex that it is not straightforward to estimate the capacity of a production department. In this paper, we assess the quality of estimation models that are based on regression. The paper builds on earlier results, which have demonstrated that a limited number of factors can explain a large share of the variance in makespan estimation based on regression models. [C] 2001 Elsevier Science B.V. All rights reserved. Keywords: Batch process industries; Multipurpose; Regression analysis; Order release; Scheduling; Aggregate planning

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Equipment flexibility vs. inventory: A simulation study of manufacturing systems

Article Abstract:

Technological flexibility requires very high initial investments and therefore a decision to acquire it is both risky and strategic in nature. The objective of this paper is to find out the technological flexibility requirements in just-in-time manufacturing under different environmental situations. The simulation results show that the incorporation of flexibility in a manufacturing system is vital. The choice of the extent of flexibility is driven by the market and economic factors. [C] 2001 Elsevier Science B.V. All rights reserved. Keywords: Manufacturing strategy; Just-in-time; Flexibility; Simulation

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