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  • Input control device for film capacitors

    This article considers one of the parts of the development of the input control device for film capacitors. Structural and functional schemes have been developed. The results of modeling the measuring circuit in the Microcap software package are presented. The results of the model experiment confirm the correctness of the calculations.

    Keywords: input control, film capacitors, Arduino, Microcap, diagnostics

  • Application of tensor methodology for the design of mathematical models of electromagnetic drives

    When creating a model of a nonlinear electrical system based on differential equations, it is important to keep in mind that ordinary differentiation does not give an adequate mathematical idea of ​​the nonlinear physical processes taking place. Even in the simplest case of a conductor with a current, the construction of an adequate model is only possible if the tensor approach is applied. From this point of view, any electrical system is an object of tensor methodology. A typical example of a non-linear electrical system is an AC electromagnetic drive. The nonlinear nature of the processes in such devices is due to a number of reasons. The main reasons are: current displacement in the winding of the AC electromagnetic drive and saturation of the steel of the magnetic circuit in the process of magnetization. Both phenomena admit tensor description, which is confirmed by the research presented in the article.

    Keywords: dynamic characteristic of magnetization, electromagnet, mathematical model, tensor methodology

  • Information system of a research organization

    Nowadays, it is often necessary to create effective tools for collecting, analyzing and processing information related to taking into account the activities of universities. There is also a need to develop information systems that provide automation of educational process management functions, which would reduce the cost of organizing educational process management in an educational institution. One of the primary tasks of the university is the implementation of research work by students, graduate students and research workers on the basis of research organizational structures. In this regard, an additional burden is placed on the employees of a research organization, which implies the performance of routine operations, as a result of which mistakes can be made. You can avoid possible mistakes, as well as increase the efficiency of employees by creating an information system, which is described in this article.

    Keywords: information system, science, university, information services