Table 1 Maintenance strategies optimization.
Strategies | Relative weight | Optimal decision variables | Long-run expected cost rate | Standard deviation of MCPRC |
|---|---|---|---|---|
BR | \(\lambda = 2.4\) | \(T_{opt} = 8.20\) | \(C_{\infty }^{BR} = 6.713\) | \(\sigma_{\infty }^{BR} = 3.721\) |
\(\lambda = 1.4\) | \(T_{opt} = 9.70\) | \(C_{\infty }^{BR} = 5.986\) | \(\sigma_{\infty }^{BR} = 4.109\) | |
\(\lambda = 0\) | \(T_{opt} = 15.90\) | \(C_{\infty }^{BR} = 5.054\) | \(\sigma_{\infty }^{BR} = 5.682\) | |
QIR | \(\lambda = 2.4\) | \(\alpha_{opt} = 0.37\) | \(C_{\infty }^{PIR} = 4.063\) | \(\sigma_{\infty }^{PIR} = 4.020\) |
\(M_{opt} = 8.80\) | ||||
\(\lambda = 1.4\) | \(\alpha_{opt} = 0.55\) | \(C_{\infty }^{PIR} = 3.832\) | \(\sigma_{\infty }^{PIR} = 4.140\) | |
\(M_{opt} = 18.3\) | ||||
\(\lambda = 0\) | \(\alpha_{opt} = 0.34\) | \(C_{\infty }^{PIR} = 3.667\) | \(\sigma_{\infty }^{PIR} = 4.487\) | |
\(M_{opt} = 15.60\) |
