Yu.L. Arzumanov - Dr. Sc. (Eng.), Professor, General Director and General Product Engineer of Armatura Design Bu-reau - Khrunichev State Research And Production Space Center (Kovrov). E-mail: kba@kc.ru Yu.M. Timofeyev - Engineer, Analytic-Calculated Centre, Armatura Design Bureau - Khrunichev State Research And Production Space Center (Kovrov). E-mail: timasp@inbox.ru E.M. Khalatov - Dr. Sc. (Eng.), Professor, Head of Analytic-Calculated Centre, Armatura Design Bureau - Khrunichev State Research And Production Space Center (Kovrov). E-mail: kba@kc.ru

V.N. Pilgunov1, K.D. Efremova2

1–2 Bauman Moscow State Technical University (Moscow, Russia)