L.M. Zhuravleva1, N.M. Legkiy2, D.V. Denezhkin3, D.A. Shashkov4

1, 3 Russian University of Transport (RUT(MIIT)) (Moscow, Russia)
2, 4 MIREA – Russian Technological University (Moscow, Russia)
1 zhlubov@mail.ru, 2 legki@mirea.ru