Performance evaluation of a multi-product CONWIP assembly system with correlated external demands

Performance evaluation of a multi-product CONWIP assembly system with correlated external demands

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Article ID: iaor20133585
Volume: 144
Issue: 1
Start Page Number: 334
End Page Number: 344
Publication Date: Jul 2013
Journal: International Journal of Production Economics
Authors: ,
Keywords: production, control, stochastic processes
Abstract:

We study a multi‐product assembly production system in which individual components are made to meet various order types. We assume that orders arrive according to a Poisson process, but there is a fixed probability that an order requests a particular kit of different components. Under the CONWIP control mechanism, each component is produced by a flow line with several stations. To analyze this system, we develop an approximation algorithm based on a decomposition method. In the algorithm, a product‐form approximation technique as well as a matrix‐geometric method is used. Numerical results show that the accuracy of the approximation method is acceptable.

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