V. S. Efremov - Ph.D. (Eng.), Deputy General Director, Lianozovo Electromechanical Plant Research and Production Corporation (Moscow) E-mail: lemz@tsr.ru V. I. Vinnikov - Head of Laboratory, Lianozovo Electromechanical Plant Research and Production Corporation (Moscow) E-mail: sector-20@ya.ru A. V. Suchkov - Leading Engineer, Lianozovo Electromechanical Plant Research and Production Corporation (Moscow) E-mail: avsu@bk.ru