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Mathematical modelling of operation of the hydraulic support system of the powered support sections with impulse-free continuous regulation of its resistance to the roof rock lowering

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Published under licence by IOP Publishing Ltd
, , Citation V V Gabov et al 2021 IOP Conf. Ser.: Mater. Sci. Eng. 1064 012045 DOI 10.1088/1757-899X/1064/1/012045

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dzadkov@yandex.ru

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1 Saint-Petersburg Mining University, 2, 21st Line of Vasilevsky Island, St Petersburg, 199106, Russia

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1757-899X/1064/1/012045

Abstract

The article describes the mathematical model of a hydraulic support system of the powered support sections with impulse-free continuous regulation of its resistance to the roof rock lowering. Safety valves of the hydraulic support perform only protective functions. Mathematical modeling was carried out using the Runge-Kutta method and the Wolfram Mathematica computer algebra system. The results of modeling the transient process of the hydraulic support system with a built-in block for regulating its resistance during impulse loading of the support section with a collapsed roof rock block at "Polosukhinskaya" mine are presented.

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10.1088/1757-899X/1064/1/012045