A simulation study of work-in-process inventory drive systems and their effect on operational measurements

A simulation study of work-in-process inventory drive systems and their effect on operational measurements

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Article ID: iaor2001104
Country: United Kingdom
Volume: 11
Issue: 1
Start Page Number: 47
End Page Number: 59
Publication Date: Mar 2000
Journal: British Journal of Management
Authors:
Keywords: simulation: applications, inventory
Abstract:

This simulation study compares three operational measures of performance through the exploration of three work-in-process (WIP) inventory drive systems and their associated inventory buffer characteristics. The three drive systems under study are a push, a pull and a hybrid push–pull system. While these systems have many aspects in common, their buffer management systems do not. The data analysis was based on information gathered from three computer-simulated flow shop assembly lines all operating in the same environment. Hypotheses concerning the operational performance measurements were established, independent variables were controlled and manipulated and a conclusion was drawn as to which system would afford the operation optimum results. While inventory has traditionally been considered and is currently being shown as an asset from an accounting point of view, it is obvious from the findings of this study, that excess WIP inventory, above the minimal requirements for production, may have a negative effect on the operational measurements evaluated.

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