A. A. Suleymanov - Post-graduate Student, Assistant, Department of Automation and Telemechanics, Perm National Research Polytechnic University. E-mail: alex@pstu.ru
S. F. Turin - Dr.Sc. (Eng.), Professor, Department of Automation and Telemechanics, Perm National Research Polytechnic University. E-mail: tyurinsergfeo@rambler.ru
A. Y. Gorodilov - Research Associate, Perm National Research Polytechnic University. E-mail: gora830@yandex.ru