V.M. Artyushenko1, V.I. Volovach2

1 Technological University named after twice Hero of the Soviet Union, Cosmonaut A.A. Leonov – Branch of the FSBEI HE «Moscow State University of Geodesy and Cartography» (Moscow, Russia)
2 Volga Region State University of Service (Toglyatti, Russia)
2 MIREA – Russian Technological University (Moscow, Russia)
1 artuschenko@mail.ru, 2 volovach.vi@mail.ru