Allocation of Buffer Capacities for a Class of Fixed Cycle Production Lines

Soyster, A. L.; Schmidt, J. W.; Rohrer, Michael W.

doi:10.1080/05695557908974454

Cited by 44 publications

(8 citation statements)

References 11 publications

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“…When the machines are dierent with respect to their reliability, he proposes to allocate more buer capacity to less reliable machines. This intuitive result is also supported by Soyster et al [29].…”

Section: Review Of Previous Resultssupporting

confidence: 77%

The general behavior of pull production systems: The allocation problems

Kırkavak

Dinçer

1999

European Journal of Operational Research

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Cataloged from PDF version of article.The design of tandem production systems has been well studied in the literature with the primary focus being on how to improve their efficiency. Considering the large costs associated, a slight improvement in efficiency can lead to very significant savings over its life. Division of work and allocation of buffer capacities between workstations are two critical design problems that have attracted the attention of many researchers. In this study, first an understanding into how the system works is to be provided. Except for the integration of two allocation problems, the basic model utilized here is essentially the same as the previous studies. Theoretical results that characterize the dynamics of these systems may also provide some heuristic support in the analysis of large-scale pull production systems. (C) 1999 Elsevier Science B.V. All rights reserved

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Section: Review Of Previous Resultssupporting

confidence: 77%

The general behavior of pull production systems: The allocation problems

Kırkavak

Dinçer

1999

European Journal of Operational Research

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“…With this restriction, the probability that a machine is down in any time step is p i , independent of its state in the previous time step. This allowed the transition equations to be solved more easily for systems with more than two machines, and allowed Soyster, Schmidt, and Rohrer (1979) to obtain bounds on production rate. The consequences of this restriction were studied further by Lim, Meerkov, and Top (1990), , and Top (1990) when all p i are small.…”

Section: Continuous Flow Modelsmentioning

confidence: 99%

“…Other analytic papers that deal with line design include Sheskin (1974Sheskin ( , 1976, Soyster and Toof (1976), and Soyster, Schmidt, and Rohrer (1979). Coillard and Proth (1984) study a system similar to that of Dubois and Forestier (1982) and use the analysis to find the optimal location of a single buffer among a line of several machines.…”

Section: Line Designmentioning

confidence: 99%

Manufacturing flow line systems: a review of models and analytical results

1992

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The most important models and results of the manufacturing flow line literature are described. These include the major classes of models (asynchronous, synchronous, and continuous); the major features (blocking, processing times, failures and repairs); the major properties (conservation of flow, flow rate-idle time, reversibility, and others); and the relationships among different models. Exact and approximate methods for obtaining quantitative measures of performance are also reviewed. The exact methods are appropriate for small systems. The approximate methods, which are the only means available for large systems, are generally based on decomposition, and make use of the exact methods for small systems. Extensions are briefly discussed. Directions for future research are suggested.

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“…Through an empirical analysis, Sheskin showed that larger buffers should be allocated around machines with less reliability. Soyster et al [24] considered the optimal allocation of buffer capacities to maximize the output rate in synchronous lines and provided guidelines to allocate buffer capacities to improve the output rate in synchronous production lines with unreliable machines. Soyster et al also used the same assumption that p i + r i = 1.…”

Section: E Dogan-sahiner T Altiok ͞ Blocking Policies In Pharmaceutical Transfer Linesmentioning

confidence: 99%

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Dogan-Sahiner¹,

Altıok²

1998

Annals of Operations Research

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In this study, we present cases from the pharmaceutical industry involving buffers and blocking. The industry has many dedicated production lines, aseptic transfer lines (production of injectables) and robotic cells (sample preparation in laboratories). In many cases, the lines are fast (500 -1000 units͞minute) and they are stopped entirely when a machine fails. Also, there are many lines having medium speed which are controlled by using circular, secondary (and dynamic in size at times) buffers. Good Manufacturing Practice (GMP) forces the industry to work with certain policies such as scrapping upon failure as well as stopping the immediate upstream machines while clearing the buffers. We will present analytical results for some of the above scenarios.

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Allocation of Buffer Capacities for a Class of Fixed Cycle Production Lines

Cited by 44 publications

References 11 publications

The general behavior of pull production systems: The allocation problems

The general behavior of pull production systems: The allocation problems

Manufacturing flow line systems: a review of models and analytical results

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