Author(s):
1. Vojislav V. Mitić, Univeristy of Niš, Faculty of Electronic Engineering, Serbia
2. Ljubiša Kocić, Univeristy of Niš, Faculty of Electronic Engineering, Serbia
3. Dalibor Petković, Faculty of Mechanical Engineering in Niš, Serbia
4. Filip Bastić, Elektrotehnički fakultet, Univerzitet u Beogradu, Bulevar Kralja Aleksandra 73, Serbia
5. Danijel Sirmić, Univeristy of Niš, Faculty of Electronic Engineering, Serbia

Abstract