In terms of the Zapolyarny Mine, creation of a neural network capable to predict angles of overlying rock mass displacements is illustrated. Learning of the neural network was performed by the data on instrumentally measured displacements and based on analytical results of jointing mapping in rock mass surrounding the mine. The initial network was selected as the simplest threelayer neural network composed of inlet, outlet and hidden layers. The inlet layer was intended for primary processing of input signals. For the convenience neurons of the inlet and outlet layers were colored the same way as in the diagrams and graphs plotted. All in all, the input data consisted of 7 indices; therefore, the minimum number of the input neurons was assumed as 7. The outlet neurons were 4 by the same reason. Mathematical implementation of the neural network used the Python language including the Numpy library used for theoretical calculations. Weight factors in the course of the learning process were corrected using feedback communication. The feedback was switched off upon learning completion, and the neural network was used to predict angles of rock movements. After construction, the neural network was tested using the data uninvolved in the learning process. The results prove the neural networks can predict accurately the angels of displacements in rock mass.


Acknowledgements: The work was supported by the Russian Science Foundation, Project No. 19-17-00034.

For citation: Sergunin M. P., Eremenko V. A. Learning of neural network to predict overlying rock mass displacement parameters by the data on jointing in terms of the Zapolyarny Mine. MIAB. Mining Inf. Anal. Bull. 2019;(10):106-116. [In Russ]. DOI: 10.25018/0236-1493-2019-10-0-106-116.


Jointing, systems of joints, kinematic analysis, displacement, neural language, programming language Python, Dips.

Issue number: 10
Year: 2019
ISBN: 0236-1493
UDK: 550.82 + 622.1
DOI: 10.25018/0236-1493-2019-10-0-106-116
Authors: Sergunin M. P., Eremenko V. A.

About authors: M.P. Sergunin, Head of Department, Center for Geodynamic Safety, Polar Division of PJSC «MMC «Norilsk Nickel», Norilsk, Russia, V.A. Eremenko, Doctor of Technical Sciences, Professor of Russian Academy of Sciences, Director of the Research Center «Application of Geomechanics and Mining of Convergent Technologies», Mining Institute, National University of Science and Technology «MISiS», 119049, Moscow, Russia, e-mail: prof.eremenko@gmail.com. Corresponding author: V.A. Eremenko, e-mail: prof.eremenko@gmail.com.


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