S. A. Dadenkov – Ph.D. (Eng.), Associate Professor, Department of Automatics and Telemechanics, Perm National Research Polytechnic University

E-mail: dadenkov@rambler.ru

E. L. Kon – Ph.D. (Eng.), Professor, Department of Automatics and Telemechanics, Perm National Research Polytechnic University

A.V. Borisovskaya1

1 St. Petersburg State University of Aerospace Instrumentation (St. Petersburg, Russia)