Mathematical modeling of dynamic processes in electromagnetic vibration exciters for technological machines

The actuality of the research performed is due to the promising practical use of electromagnetic vibration exciters in vibration machines, which are widely used in the mining and construction industry to intensify technological processes associated with the processing of mineral raw materials. An approach to the creation of a mathematical model of a vibration technological machine is considered. Based on the data of the mathematical model, a computer simulation model is developed that provides wide opportunities for the analysis of periodic electromechanical processes with energy loss in transient and steady-state modes. Recommendations are given for creating a mathematical model in the form of a dynamic calculation algorithm performed using the structural modeling aids of Matlab Simulink. As an example of a dynamic calculation, the results of the simulation of the electromagnetic vibration exciter are presented in the form of diagrams showing the operating process of switching on, reaching the steady state and the load surge mode when powered from an industrial power source using a half-wave rectification circuit. The simulation results are qualitatively and quantitatively agree with the results obtained using a physical model. The disagreement value is no more than 6%. The research results can be useful for specialists in electromechanics engaged in the calculation and design of vibration technological machines with electromagnetic vibration exciters.

Neyman V. Yu., Neyman L. A., Lappi S. Yu. Mathematical modeling of dynamic processes in electromagnetic vibration exciters for technological machines. MIAB. Mining Inf. Anal. Bull. 2022;(12-2):203—216. [In Russ]. DOI: 10.25018/0236_1493_2022_122_0_203.

Neiman V. Yu.¹, Dr. Sci. (Eng.), Head of the Department, http://orcid.org/0000-0002-84331610, nv.nstu@ngs.ru;
Neiman L. A.¹, Dr. Sci. (Eng.), Professor, http://orcid.org/0000-0002-3442-6531, neyman31@ gmail.com;
Lappi S. Yu.¹, postgraduate student, http://orcid.org/0000-0002-4301-8513, kafelectro@mail.ru.
¹ Novosibirsk State Technical University, 630073, Novosibirsk, Karl Marx Avenue,20, Russia.

Neiman V. Yu., e-mail: nv.nstu@ngs.ru

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