A.V. Grivachev - Director, Southwest State University (Kursk). E-mail: ag.kursk@mail.com S.G. Emelianov - Dr. Sc. (Eng.), Professor, Rector, Southwest State University (Kursk). E-mail: rector@swsu.ru E.A. Titenko - Ph. D. (Eng.), Associate Professor, Southwest State University (Kursk). E-mail: johntit@mail.ru