Conservation of filtering in manufacturing systems with unreliable machines and finished goods buffers

Jingshan Li, E. Enginarlar and Semyon M. Meerkov

Mathematical Problems in Engineering, 2006, vol. 2006, 1-12

Abstract:

This paper addresses the issue of reliable satisfaction of customer demand by unreliable production systems. In the framework of a simple production-storage-customer model, we show that this can be accomplished by using an appropriate level of filtering of production randomness. The filtering is ensured by finished goodsbuffers (filtering in space) and shipping periods (filtering in time). The following question is considered: how are filtering in space and filtering in time interrelated? As an answer, we show that there exists a conservation law: in lean manufacturing systems, the amount of filtering in space multiplied by the amount of filteringin time (both measured in appropriate dimensionless units) ispractically constant. Along with providing an insight into thenature of manufacturing systems, this law offers a tool for selecting the smallest, that is, lean, finished goods buffering, which is necessary and sufficient to ensure the desired level ofcustomer demand satisfaction.

Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:027328

DOI: 10.1155/MPE/2006/27328

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