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Card-based workload control for job shops: improving COBACABANA

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Card-based workload control for job shops : improving COBACABANA. / Thurer, Matthias; Land, Martin; Stevenson, Mark.

In: International Journal of Production Economics, Vol. 147 Part A, 01.2014, p. 180-188.

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Thurer, Matthias ; Land, Martin ; Stevenson, Mark. / Card-based workload control for job shops : improving COBACABANA. In: International Journal of Production Economics. 2014 ; Vol. 147 Part A. pp. 180-188.

Bibtex

@article{f985cf7c2a0a4911a3a437115f06430e,
title = "Card-based workload control for job shops: improving COBACABANA",
abstract = "Card-based systems can be simple yet effective means of controlling production. But existing solutions, such as Kanban, do not typically apply to the job shops often found in make-to-order companies. In response, a card-based approach to Workload Control known as COBACABANA – COntrol of BAlance by CArd-BAsed NAvigation – has been proposed in the literature. But although COBACABANA appears to be a leading card-based solution for job shops, the original approach has shortcomings that limit its applicability to practice. In this paper, we refine COBACABANA to facilitate its implementation: first, by reducing the number of cards that have to travel with an order to one per operation – as a large number of cards were needed to represent all possible processing times in the original approach – and, second, by updating the approach based on advances in Workload Control theory. We then use a job shop simulation model to evaluate the performance of the refined method. Results demonstrate the potential of COBACABANA to significantly improve throughput time, percentage tardy and mean tardiness performance. We also show how the estimation of expected processing times at release can be simplified by allowing the workload contributions of orders to be grouped into simple classes (e.g. small, medium and large) without a significant deterioration in the effectiveness of the approach. Given its simplicity, and the familiarity of practitioners with card-based systems like Kanban, COBACABANA represents an important means of embedding the principles and benefits of Workload Control in job shops in practice.",
keywords = "Order Release, Card-based Release Control, Workload Control, Simulation",
author = "Matthias Thurer and Martin Land and Mark Stevenson",
year = "2014",
month = jan
doi = "10.1016/j.ijpe.2013.09.015",
language = "English",
volume = "147 Part A",
pages = "180--188",
journal = "International Journal of Production Economics",
issn = "0925-5273",
publisher = "Elsevier Science B.V.",

}

RIS

TY - JOUR

T1 - Card-based workload control for job shops

T2 - improving COBACABANA

AU - Thurer, Matthias

AU - Land, Martin

AU - Stevenson, Mark

PY - 2014/1

Y1 - 2014/1

N2 - Card-based systems can be simple yet effective means of controlling production. But existing solutions, such as Kanban, do not typically apply to the job shops often found in make-to-order companies. In response, a card-based approach to Workload Control known as COBACABANA – COntrol of BAlance by CArd-BAsed NAvigation – has been proposed in the literature. But although COBACABANA appears to be a leading card-based solution for job shops, the original approach has shortcomings that limit its applicability to practice. In this paper, we refine COBACABANA to facilitate its implementation: first, by reducing the number of cards that have to travel with an order to one per operation – as a large number of cards were needed to represent all possible processing times in the original approach – and, second, by updating the approach based on advances in Workload Control theory. We then use a job shop simulation model to evaluate the performance of the refined method. Results demonstrate the potential of COBACABANA to significantly improve throughput time, percentage tardy and mean tardiness performance. We also show how the estimation of expected processing times at release can be simplified by allowing the workload contributions of orders to be grouped into simple classes (e.g. small, medium and large) without a significant deterioration in the effectiveness of the approach. Given its simplicity, and the familiarity of practitioners with card-based systems like Kanban, COBACABANA represents an important means of embedding the principles and benefits of Workload Control in job shops in practice.

AB - Card-based systems can be simple yet effective means of controlling production. But existing solutions, such as Kanban, do not typically apply to the job shops often found in make-to-order companies. In response, a card-based approach to Workload Control known as COBACABANA – COntrol of BAlance by CArd-BAsed NAvigation – has been proposed in the literature. But although COBACABANA appears to be a leading card-based solution for job shops, the original approach has shortcomings that limit its applicability to practice. In this paper, we refine COBACABANA to facilitate its implementation: first, by reducing the number of cards that have to travel with an order to one per operation – as a large number of cards were needed to represent all possible processing times in the original approach – and, second, by updating the approach based on advances in Workload Control theory. We then use a job shop simulation model to evaluate the performance of the refined method. Results demonstrate the potential of COBACABANA to significantly improve throughput time, percentage tardy and mean tardiness performance. We also show how the estimation of expected processing times at release can be simplified by allowing the workload contributions of orders to be grouped into simple classes (e.g. small, medium and large) without a significant deterioration in the effectiveness of the approach. Given its simplicity, and the familiarity of practitioners with card-based systems like Kanban, COBACABANA represents an important means of embedding the principles and benefits of Workload Control in job shops in practice.

KW - Order Release

KW - Card-based Release Control

KW - Workload Control

KW - Simulation

U2 - 10.1016/j.ijpe.2013.09.015

DO - 10.1016/j.ijpe.2013.09.015

M3 - Journal article

VL - 147 Part A

SP - 180

EP - 188

JO - International Journal of Production Economics

JF - International Journal of Production Economics

SN - 0925-5273

ER -