Universal dynamic model of a double-acting impact electromagnetic drive

The use of machines and mechanisms of impact action in the mining and construction industries revealed their high efficiency in their pulsed impact on the surface to be treated. Based on the established generality of electromagnetic drives, the results of research on the implementation of a universal dynamic model of a double-acting electromagnetic drive used to increase the intensification of impact processes are presented. The dynamic model is based on differential equations of mechanical and electrical balance of an impact electric drive made according to a two-coil circuit and controlled by the striker position. A feature of the model is the calculation of the operation processes of the electric drive in transient and steady modes. The model takes into account the nonlinearity of steel magnetization characteristics, leakage fluxes and energy losses in the magnetic and mechanical systems of the electric drive. A description of the generalized design of an electromagnetic drive powered by an industrial power source with control over the position coordinate of the impact mass of the striker operating in a selfoscillating mode is given. The algorithm for the circuit implementation of the dynamic model by structural modeling methods in Matlab Simulink based on the use of numerical methods is presented. Variants of operating modes of the electric drive are given for various ways of implementing the reciprocating motion of the striker. Examples of computer simulation of the created model in the form of oscillograms of the operation process are considered. Recommendations for further improvement of the model and improvement of the quality of calculations in the study of dynamic modes are given.

Neyman L. A., Neyman V. Yu. Universal dynamic model of a double-acting impact electromagnetic drive. MIAB. Mining Inf. Anal. Bull. 2023;(10-1):22—37. [In Russ]. DOI: 10.2501 8/0236_1493_2023_101_0_22.

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

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

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