Computer simulation of due-date setting in multi-machine job shops

Computer simulation of due-date setting in multi-machine job shops

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Article ID: iaor20021160
Country: Netherlands
Volume: 41
Issue: 1
Start Page Number: 77
End Page Number: 94
Publication Date: Oct 2001
Journal: Computers & Industrial Engineering
Authors:
Abstract:

The due-date setting and operations scheduling problem is addressed in an unbalanced, multi-machine random job shop. The focus of the study is to demonstrate the feasibility of setting reliable static due-dates through operation flow time analysis. Response-surface mapping methodology via regression analysis is employed to model operation flow time characteristics, which are shown to be non-linear and dispatching rule dependent. Discussion points out the advantages and practicality of using static job information as opposed to dynamic shop information in setting due-dates. Simulation results and statistical analyses show the viability of setting due-dates that are tight, reliable, and consistent, using this methodology. A unique characteristic of the proposed method is that it shows simultaneous reductions in variability of manufacturing lead times, tardiness, proportion of tardy jobs, and maximum tardiness without resorting to looser due-dates.

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