The lifetime (L) of a system has a Weibull-distribution with distribution function [F(t)=P(L leq t)=1-e^{-0.1 t^{3}}, t
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The lifetime \(L\) of a system has a Weibull-distribution with distribution function
\[F(t)=P(L \leq t)=1-e^{-0.1 t^{3}}, t \geq 0\]
(1) Determine its failure rate \(\lambda(t)\) and its integrated failure rate \(\Lambda(t)\).
(2) The system is maintained according to Policy 1 over an infinite time span. The cost of a minimal repair is \(c_{m}=40\) [\$], and the cost of a preventive replacement is \(c_{p}=2000[\$]\).
Determine the cost-optimum replacement interval \(\tau *\) and the corresponding minimal maintenance cost rate \(K_{1}(\tau *)\).
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Related Book For
Applied Probability And Stochastic Processes
ISBN: 9780367658496
2nd Edition
Authors: Frank Beichelt
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