V.N. Shumilov - Researcher, International Laboratory, National Research Tomsk State University (Tomsk). E-mail: vnshumilov@rambler.ru I.V. Shumilov - Student, National Taras Shevchenko University of Kyiv (Kiev). E-mail: illya.shumilov@gmail.com V.I. Syryamkin - Dr.Sc. (Eng.), Head of the Department of «Quality Management», Director of Research and Education Center «Recognition: navigation, diagnostics, mechatronics» of National Research Tomsk State University (Tomsk). E-mail: egs@sibmail.com