V.V. Kalmykov – Senior Lecturer, 
Kaluga branch of the Bauman MSTU
E-mail: kalmykovvv@bmstu.ru

M.V. Mousokhranov – Ph.D.(Eng.), Associate Professor, 
Kaluga branch of the Bauman MSTU
E-mail: marls77@ya.ru

E.V. Logutenkova – Senior Lecturer, 
Kaluga branch of the Bauman MSTU
E-mail: iwtbhn@mail.ru