Research Article
Long-Term Room and Pillar Mine Production Planning Based on Fuzzy 0-1 Linear Programing and Multicriteria Clustering Algorithm with Uncertainty
Table 8
Parameters of simulation.
| Process | Value |
| Lead metal price mean reverting process-monthly span | spot value (=0) 2361 $/t→range code 6→(2293 2381 2523) $/t equilibrium range code 4→(1963 2064 2134) $/t speed of mean reversion 0.11251 volatility 0.18491 |
| Zinc metal price mean reverting process-monthly span | spot value (=0) 3060 $/t→range code 7→(2970 3244 3533) equilibrium range code 4→(2095 2176 2260) speed of mean reversion 0.06133 volatility 0.16416 |
| Operating costs Itô-Doob stochastic process - monthly span | spot value (=0) 50 $/t drift 0,0025 volatility 0,0125 |
| Time span of simulation | (=1,2,…,60), T=60 months |
| Number of simulations | 500 |
|
|