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Optimal Assignment of Components to Parallel-Series and Series-Parallel Systems

V. Rajendra Prasad, K. P. K. Nair, Y. P. Aneja

Operations Research · 1991 · Volume 39 · Issue 3

DOI: 10.1287/opre.39.3.407

Abstract

This paper deals with the problem of assigning components to parallel-series (PS) and series-parallel (SP) systems so as to maximize the system's reliability. We assume that any component can be assigned to any position of the system and the reliability of component j is r i p j if it is assigned to position i . Exploiting the nature of Schur-convex functions, an algorithm is developed to obtain an optimal assignment for PS systems. Also, a simple optimal assignment rule is derived for SP systems with only two positions in each minimal cutset and with component reliabilities invariant of positions.

Keywords

reliability: optimal allocation of components in reliability systems

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