V.V. Komarov1, V.B. Baiburin2, V.M. Doroshenko3, I.I. Artyukhov4, A.A. Nikiforov5

1-5 Yuri Gagarin State Technical University of Saratov (Saratov, Russia)

1 baiburinvb@rambler.ru; 2 vyacheslav.komarov@gmail.com; 3 dorvalentina9@gmail.com; 4 ivart54@mail.ru; 5 ieei_director@mail.ru