Workstage repair policies for sequential manufacturing systems. (English) Zbl 0704.90037
Summary: 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.
MSC:
| 90B25 | Reliability, availability, maintenance, inspection in operations research |
| 90B30 | Production models |
| 60J10 | Markov chains (discrete-time Markov processes on discrete state spaces) |
| 90-08 | Computational methods for problems pertaining to operations research and mathematical programming |
Keywords:
Dynamic stage repair policies; manufacturing system; unreliable workstages; minimal intermediate storage buffer; steady-state probabilities; state-inhomogeneous Markov chainReferences:
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