E. V. Borisenko - Deputy Chief Engineer, Head of the Scientific-Research Center, JSC «Kaluga Research Institute of Telemechanical Devices». E-mail: kniitmu@kaluga.net
V. V. Kvashennikov - Dr.Sc. (Eng.), Senior Research Scientist, Head of Group, JSC «Kaluga Research Institute of Telemechanical Devices». E-mail: kniitmu@kaluga.net

A.S. Ovsyannikova1, S.B. Makarov2, S.V. Zavjalov3, S.V. Volvenko4

1-4 Peter The Great St. Petersburg Polytechnic University (Saint-Petersburg, Russia)