A.A. Lvov - Dr. Sc. (Eng.), Professor, Department «Information Systems and Technologies», Yuri Gagarin State Technical University (Saratov). E-mail: alvova@mail.ru M.S. Svetlov - Dr. Sc. (Eng.), в.н.с., Institute of Precision Mechanics and Control RAS (Saratov). E-mail: svetlovms@yandex.ru P.V. Martynov - Post-graduate Student, Department «Information Systems and Technologies», Yuri Gagarin State Technical University (Saratov). E-mail: pavel_martynov@list.ru