The impact of free goods on the performance of drum-buffer-rope scheduling systems

Chakravorty, Satya S.; Atwater, J. Brian

doi:10.1016/j.ijpe.2004.01.001

Cited by 26 publications

(27 citation statements)

References 16 publications

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“…Buffers are time (e.g. Radovilsky, 1998;Schragenheim & Ronen, 1990;Simons & Simpson, 1997;Chakravorty & Atwater, 2005) or a time-equivalent amount of work-in-process. Since, in our study, jobs are considered to be delivered immediately after they are completed, the shipping buffer does not exist.…”

Section: Drum-buffer-rope (Dbr) and The Theory Of Constraints (Toc)mentioning

confidence: 99%

“…Lambrecht & Segaert, 1990;Duclos & Spencer, 1995;Chakravorty & Atwater, 2005), ConWIP (e.g. Spearman et al, 1990;Bonvik et al, 1997;Herer & Masin, 1997;Jodlbauer & Huber, 2008), and Workload Control (e.g.…”

Section: Order Releasementioning

confidence: 99%

“…This is similar to the scheduling mechanism incorporated in DBR (see, e.g. Chakravorty & Atwater, 2005). The allowance for the operation throughput time is given by the cumulative moving average of the actually realized operation throughput times at each station (i.e.…”

Section: Shop Floor Dispatchingmentioning

confidence: 99%

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Deconstructing bottleneck shiftiness: the impact of bottleneck position on order release control in pure flow shops

Thürer

Stevenson

et al. 2017

Production Planning & Control

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Bottleneck shiftiness is an important managerial problem that negatively affects shop floor manageability. It has therefore received much research attention. Yet research has focused on how protective capacity can be used to influence bottleneck shiftiness rather than on assessing its operational impact. The latter is complex to evaluate since changing the degree of bottleneck shiftiness influences utilization, which makes the results of different experimental settings non-comparable. To overcome this problem, we take a different approach. Bottleneck shiftiness is decomposed by investigating its underlying phenomenon: the impact of the bottleneck position. Using a simulation model of a pure flow shop, we demonstrate that the bottleneck position has a negligible impact on performance if jobs are released immediately and control is exercised by a dispatching rule. But when order release is controlled, the bottleneck position does impact performance -tighter control can be exercised, and better performance achieved, the further upstream the bottleneck is positioned.Hence, control parameters need to be adjusted. Further, results show that it is important to be aware of the direction of the bottleneck shift. If the bottleneck shifts upstream (from the current bottleneck), performance is likely to improve rather than deteriorate as is implicitly assumed in the literature.

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Section: Drum-buffer-rope (Dbr) and The Theory Of Constraints (Toc)mentioning

confidence: 99%

Section: Order Releasementioning

confidence: 99%

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Deconstructing bottleneck shiftiness: the impact of bottleneck position on order release control in pure flow shops

Thürer

Stevenson

et al. 2017

Production Planning & Control

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“…Since free goods are not processed at the system's first bottleneck, very little attention has been given to these jobs in DBR . Chakravorty and Atwater (2005) found that the performance of DBR is very sensitive to changes in the level of free goods release into the operation and claimed that schedulers of job shop environment using DBR need to be known of how orders of these items are scheduled. Schragenheim and Dettmer (2000) introduced simplified drum buffer rope (S-DBR).…”

Section: Literature Reviewmentioning

confidence: 99%

“…DBR uses the protective capacity to eliminate the time delays to guarantee the bottleneck resource stays on schedule and customer orders are shipped on time (Chakravorty & Atwater, 2005). DBR uses the drum or constraint to create a schedule based on the finite capacity of the first bottleneck, buffer which protects the drum scheduling from variation.…”

Section: Introductionmentioning

confidence: 99%

A Markov chain analysis of the effectiveness of drum-buffer-rope material flow management in job shop environment

Rabbani

Tanhaie²

2015

10.5267/j.ijiec

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The theory of constraints is an approach for production planning and control, which emphasizes on the constraints in the system to increase throughput. The theory of constraints is often referred to as Drum-Buffer-Rope developed originally by Goldratt. Drum-Buffer-Rope uses the drum or constraint to create a schedule based on the finite capacity of the first bottleneck. Because of complexity of the job shop environment, Drum-Buffer-Rope material flow management has very little attention to job shop environment. The objective of this paper is to apply the Drum-BufferRope technique in the job shop environment using a Markov chain analysis to compare traditional method with Drum-Buffer-Rope. Four measurement parameters were considered and the result showed the advantage of Drum-Buffer-Rope approach compared with traditional one.

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Introduction

Suwa

Sandoh

2012

Online Scheduling in Manufacturing

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The impact of free goods on the performance of drum-buffer-rope scheduling systems

Cited by 26 publications

References 16 publications

Deconstructing bottleneck shiftiness: the impact of bottleneck position on order release control in pure flow shops

Deconstructing bottleneck shiftiness: the impact of bottleneck position on order release control in pure flow shops

A Markov chain analysis of the effectiveness of drum-buffer-rope material flow management in job shop environment

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