Workstage repair policies for sequential manufacturing systems |
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Authors: | Sencer Yeralan Antonio J Dieck |
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Institution: | (1) Department of Industrial and Systems Engineering, University of Florida, 32611 Gainesville, Florida, U.S.A.;(2) Department of Engineering, St. Mary's University San Antonio, 78284-0400, Texas, U.S.A. |
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Abstract: | Dynamic stage repair policies where the stage repair probabilities are determined by the number of items in the buffer are examined through a model of a manufacturing system with two unreliable workstages connected by a minimal intermediate storage buffer. Definitions for workstage availability and line balance are extended for sequential manufacturing systems with dynamic repair policies. A measure for stage repair inputs and a general form of dynamic stage repair policies are presented. The steady-state probabilities of the resultant state-inhomogeneous Markov chain are computed by an efficient solution procedure. Insights obtained from extensive numerical studies are illustrated and discussed. |
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