S.N. Nikulina - Ph. D. (Eng.), Associate Professor, Kaluga branch of the Bauman MSTU. E-mail: voinsveta579@mail.ru U.M. Zhukova - Ph. D. (Eng.), Associate Professor, Kaluga branch of the Bauman MSTU. E-mail: dazhf1@mail.ru Y.N. Dykhno - student, Kaluga branch of the Bauman MSTU. E-mail: yasya36@rambler.ru I.I. Kulikova - student, Kaluga branch of the Bauman MSTU. E-mail: queenirinka@mail.ru Y.A. Sanutina - student, Kaluga branch of the Bauman MSTU. E-mail: Sanutinami160891@mail.ru