I.K. Belova1, I.V. Chukhraev2, K.M. Vorona3, E.V. Simakova4

1-4 Kaluga Branch of Bauman Moscow State Technical University (Kaluga, Russia)

1 belova.ik@bmstu.ru, 2 chukhraev@bmstu.ru, 3 voronakm@student.bmstu.ru, 4 simakovaev@student.bmstu.ru