Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/103699 
Year of Publication: 
2011
Citation: 
[Journal:] BuR - Business Research [ISSN:] 1866-8658 [Volume:] 4 [Issue:] 1 [Publisher:] VHB - Verband der Hochschullehrer für Betriebswirtschaft, German Academic Association of Business Research [Place:] Göttingen [Year:] 2011 [Pages:] 98-115
Publisher: 
VHB - Verband der Hochschullehrer für Betriebswirtschaft, German Academic Association of Business Research, Göttingen
Abstract: 
This paper treats the problem of setting the inventory level and optimizing the buffer allocation of closed-loop flow lines operating under the constant-work-in-process (CONWIP) protocol. We solve a very large but simple linear program that models an entire simulation run of a closed-loop flow line in discrete time to determine a production rate estimate of the system. This approach introduced in Helber, Schimmelpfeng, Stolletz, and Lagershausen (2011) for open flow lines with limited buffer capacities is extended to closed-loop CONWIP flow lines. Via this method, both the CONWIP level and the buffer allocation can be optimized simultaneously. The first part of a numerical study deals with the accuracy of the method. In the second part, we focus on the relationship between the CONWIP inventory level and the short-term profit. The accuracy of the method turns out to be best for such configurations that maximize production rate and/or short-term profit.
Subjects: 
CONWIP
flow lines
inventory
linear programming
Persistent Identifier of the first edition: 
Document Type: 
Article

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