Abstract
This paper is concerned with the problem of production planning in a stochastic manufacturing system with serial machines that are subject to break-down and repair. The machine capacities are modeled by a Markov chain. The objective is to choose the input rates at the various machines over time in order to meet the demand for the system’s production at the minimum long-run average cost of production and surplus, while ensuring that the inventories in internal buffers between adjacent machines remain nonnegative. The problem is formulated as a stochastic dynamic program. We prove a verification theorem and derive the optimal feedback control policy in terms of the directional derivatives of the potential function.
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Presman, E., Sethi, S.P., Zhang, H., Zhang, Q. (2002). On Optimality of Stochastic N-Machine Flowshop with Long-Run Average Cost. In: Pasik-Duncan, B. (eds) Stochastic Theory and Control. Lecture Notes in Control and Information Sciences, vol 280. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48022-6_27
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DOI: https://doi.org/10.1007/3-540-48022-6_27
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