A study on site selection of coal mine emergency material reserve based on genetic algorithm
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19. März 2025
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Online veröffentlicht: 19. März 2025
Eingereicht: 28. Okt. 2024
Akzeptiert: 21. Feb. 2025
DOI: https://doi.org/10.2478/amns-2025-0488
Schlüsselwörter
© 2025 Tianyi Xia et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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Entropy values, weights and positive and negative ideal solutions
| Name of index | Entropy value | Weight | Positive ideal solution | Negative ideal solution |
|---|---|---|---|---|
| Prime cost | 0.975961 | 0.281278 | 0.281306 | 0.000028 |
| Time | 0.967633 | 0.37872 | 0.378758 | 0.000038 |
| Gravitation | 0.970942 | 0.340002 | 0.340036 | 0.000034 |
Optimal scheme target values at different service radius
| Cover the radius / target value | Cost / ten thousand yuan | Time / hour | Gravitation |
|---|---|---|---|
| 35 kilometers | 1497.92 | 1.21 | 32638.23 |
| 40 kilometers | 1725.78 | 1.5 | 32237.49 |
| 45 kilometers | 1338.81 | 1.67 | 31478.67 |
| 50 kilometers | 1858.79 | 1.92 | 29077.93 |
| 55 kilometers | 1665.15 | 2.19 | 27358.08 |
| 60 kilometers | 1662.98 | 2.54 | 24237.49 |
Variables and sources
| Variable Name | Description | Source | Numerical value |
|---|---|---|---|
| Warehousing Costs | Industrial Storage Costs in Liaoning Province | IOT Cloud Warehouse Digital Research Institute | 1.092192 million yuan 7200m2 |
| Storage building area | Area of Emergency Reserve Depot | Liaoning Reserve Materials Management Bureau Website | |
| Height of storage | Net height of the warehouse of the emergency stockpile | Relief Materials Reserve Bank Construction Standard Jianbiao 121-2009 | |
| Material storage capacity | Material storage capacity of the reserve depot | Relief Materials Reserve Bank Construction Standard Jianbiao 121-2009 | 6m |
| Employment | Number of staff required for a single reserve depot | National Bureau of Statistics | 43200m3 |
| Unit transportation cost | Unit transportation cost from reserve depot to coal mine | China Coal Information Network | 30 people |
| Total loading and unloading efficiency | Total loading and unloading efficiency of staff at the reserve depot | Statistical Indicators of Loading and Unloading Work | 2.832 thousand yuan / km / m3 |
| Labor cost | Average wage cost per staff member | Liaoning Provincial Department of Human Resources and Social Security | 750 cubic meters / hour |
| Average speed | Average speed of emergency response vehicles | Ministry of Emergency Management of the People’s Republic of China | 0.7121 thousand yuan |
Closeness and ranking order
| Name of index | Relative proximity | Name of index | Relative proximity |
|---|---|---|---|
| 1 | 0.537339 | 13 | 0.51585 |
| 2 | 0.355945 | 14 | 0.557965 |
| 3 | 0.618677 | 15 | 0.393051 |
| 4 | 0.350116 | …… | …… |
| 5 | 0.515985 | 92 | 0.633924 |
| 6 | 0.623563 | 93 | 0.67881 |
| 7 | 0.67144 | 94 | 0.677623 |
| 8 | 0.517737 | 95 | 0.672332 |
| 9 | 0.471941 | 96 | 0.635342 |
| 10 | 0.468353 | 97 | 0.692494 |
| 11 | 0.515402 | 98 | 0.628608 |
| 12 | 0.671162 | 99 | 0.685945 |
Compares the results
| Scheme | This scheme | Contrast scheme |
|---|---|---|
| Total cost (ten thousand yuan) | 1565.83 | 1732.14 |
| Transportation cost (ten thousand yuan) | 856.1356 | 922.4351 |
| Establish the number of reserves | 9 | 11 |
| Total time (hours) | 1.21 | 1.92 |
| Total gravity | 32638.23 | 38478.70 |
Location of the reserve bank and the collection of coal mine sites covered
| Order Number | Reserve library type | Reserve name / number | longitude and latitude | Cover the coal mine point number collection |
|---|---|---|---|---|
| 1 | Enterprise reserve | Minlian Chemical Co., LTD | (123.498138,41.991741) | 7 |
| 2 | Fushun Longfeng Chemical Plant | (124.032753,41.858349) | 10, 11, 12, 26, 27 | |
| 3 | Tieling Yuantai Chemical Industry Co., LTD | (123.557259,42.441074) | 4, 5, 20, 21, 22, 23, 24, 25, 29 | |
| 4 | Fuxin Hengtong Fluorine Chemical Co., LTD | (121.601707,41.942741) | 2, 3, 15, 16, 17 | |
| 5 | Government reserve | 5 | (123.37808,42.70544) | 4, 5, 8 |
| 6 | 11 | (121.65978,41.72352) | 13, 14, 15, 16, 17 | |
| 7 | 28 | (124.57168,41.30891) | 1 | |
| 8 | 63 | (121.3978,42.24609) | 28 | |
| 9 | 64 | (123.26667,41.48151) | 6, 9, 18, 19, 30 |
The corresponding objective function for each scheme
| Order number | Cost / ten thousand yuan | Time / hour | Gravitati on | Order number | Cost / ten thousand yuan | Time / hour | Gravitati on |
|---|---|---|---|---|---|---|---|
| 1 | 1407.22 | 2.2 | 32638.23 | 13 | 1441.96 | 1.44 | 27198.5 |
| 2 | 1170.72 | 2.4 | 24478.67 | 14 | 1445.81 | 1.25 | 27198.5 |
| 3 | 1412.07 | 1.51 | 29918.37 | 15 | 1225.83 | 2.4 | 27198.5 |
| 4 | 1205.66 | 2.35 | 24478.67 | … | …… | …… | …… |
| 5 | 1413.7 | 1.47 | 27198.52 | 92 | 1845.62 | 0.89 | 32638.2 |
| 6 | 1424.82 | 1.48 | 29918.37 | 93 | 1347.16 | 1.55 | 27198.5 |
| 7 | 1437.24 | 1.58 | 32638.23 | 94 | 1919.16 | 0.8 | 32638.2 |
| 8 | 1359.92 | 1.52 | 27198.52 | 95 | 1394.86 | 1.47 | 27198.5 |
| 9 | 1352.11 | 2.2 | 29918.37 | 96 | 1893.32 | 0.81 | 32638.2 |
| 10 | 1307.37 | 2.28 | 29918.37 | 97 | 1351.91 | 1.49 | 24478.7 |
| 11 | 1312.86 | 1.58 | 27198.52 | 98 | 1772.25 | 0.94 | 29918.4 |
| 12 | 1884.22 | 0.84 | 32638.23 | 99 | 1845.62 | 0.89 | 32638.2 |