Abstract
The natural ore distribution is unique, and the mining process entirely depends on it. Thus, every mining has its way of dressing ore due to the plan of industry. Therefore, in optimal and control energy systems, the relation between ore distribution, parameters of stages, and the final output are vital to understanding the entire dressing plant. In this way, the paper purpose of developing a learning-based inverse method to understand the relationship between the ore (gathered from a few different open pits) and the final recovery rate of minerals. The variational autoencoder’s exceptional property is suitable for the learning-based inverse method, and the low dimensional space in the encoding and decoding process connects to the first input ore and the final outputs regarding the daily plan. When the first input ore is determined corresponding to the planned recovery, we use the low dimensional space to express the stages’ appropriate parameters. The milling stage is the most crucial stage of the plant, and for the validation propose of the method, the real experiment that investigated the learning result of the selected ball milling stage. Finally, the predictive-based control system was considered based on generating a variational autoencoder-based learning feature.
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Abbreviations
- fi :
-
ith stage of dressing process
- κ :
-
The number of sampled best recovery
- \(\mu\) :
-
Mean value of encoder
- \(\sigma\) :
-
Standard variation of encoder
- \({\varvec{\epsilon }}\) :
-
Normally distributed random sampling
- h :
-
low dimensional space variable
- \(D_{KL}\) :
-
Kullback–Leibler divergence
- \({\mathbf{t}} _{f_{i}}\) :
-
Parameters of ith stage
- \({\mathbf{y}} _{f_{i}}\) :
-
Outcome of ith stage
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Acknowledgements
This work was supported by Award number mfund-052018 from the Foundation for Science and Technology at Mongolian University of Science and Technology.
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Tsagaan, M., Ganbat, B., Renchin, S. et al. A Deep Variational Autoencoder Based Inverse Method for Active Energy Consumption of Mining Plants and Ball Grinding Circuit Investigation. Int. J. of Precis. Eng. and Manuf.-Green Tech. 9, 729–744 (2022). https://doi.org/10.1007/s40684-021-00380-1
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DOI: https://doi.org/10.1007/s40684-021-00380-1