Full
Outline
Aiming at the problems that the traditional engineering analogy method is easily affected by subjective evaluation, and that the simple numerical simulation method involves complex modeling and heavy workload in the optimization of stope structure parameters, an artificial intelligence stope parameter optimization method based on DBO-MLP-SVM is proposed. The Dung Beetle Optimizer (DBO) was used to optimize the performance of Multilayer Perceptron (MLP) and the Support Vector Machine (SVM). The two were fused to overcome the defect that MLP is easy to fall into a local optimum, and the relevant mine stope parameters and stope stability classification data were collected to train the proposed model. Taking a limestone mine in southwest China as an example, the stability classification under different pillar widths was obtained by substituting the model, and the stope displacement, pillar deformation and surface settlement were analyzed and verified by FLAC3D numerical simulation. The results show that the DBO-MLP-SVM model predicts that the stope is stable when the pillar width is greater than 8 m, and the optimal stope structure parameter is pillar width×spacing = 8 m×8 m, which is consistent with the numerical simulation results. Compared with the traditional engineering analogy method, the production capacity of the stope after intelligent collaborative optimization increased by 51.80%, and the loss rate and dilution rate changed little, which effectively balances production efficiency and safety. This method provides an efficient and accurate technical approach for the optimization of stope structure parameters, which can serve as a reference for the optimization of mine stope parameters.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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