S.I. Supelnyak – Post-graduate Student, Department EIU4-KF, Kaluga branch of the Bauman MSTU E-mail: supelnyak@gmail.com

V.G. Kosushkin – Dr. Sc. (Eng.), Professor, Department EIU4-KF, Kaluga branch of the Bauman MSTU E-mail: kosushkin@gmail.com

S.A. Adarchin – Ph. D. (Eng.), Associate Professor, Department EIU4-KF, Kaluga branch of the Bauman MSTU E-mail: adarchin@rambler.ru