V.B. Baiburin1, I.I. Artyukhov2, V.M. Doroshenko3, M.D. Nikolaev4, A.A. Nikiforov5

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

1 baiburinvb@rambler.ru; 2 ivart54@mail.ru; 3 dorvalentina9@gmail.com; 4 ni.misha2012@yandex.ru; 5 ieei_director@mail.ru