Functional estimation for a multicomponent age replacement model

Functional estimation for a multicomponent age replacement model

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Article ID: iaor20013105
Country: United States
Volume: 19
Issue: 1/2
Start Page Number: 135
End Page Number: 156
Publication Date: Jan 1999
Journal: American Journal of Mathematical and Management Sciences
Authors: , ,
Keywords: markov processes
Abstract:

We consider a multicomponent system with identical components subject to failures, controlled by a replacement rule based on age thresholds. We show how to estimate the expected cost of operating the system as a function of one of the thresholds, in functional form, by simulation. The efficiency of the approach is analyzed for two types of performance measures of the system: (i) The total expected cost over a finite time horizon and (ii) the average cost over an infinite time horizon. For the average cost case, we show under mild conditions that the system is geometrically ergodic, uniformly over the parameter set of interest. Our numerical illustrations suggest that the proposed approach is viable from the practical viewpoint.

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