Electromagnetic angular positioner based on DC micromotor Maciej Bodnicki, Jakub Wierciak, Wojciech Credo, Karol Bagiński and Leszek Wawrzyniuk MATEC Web Conf., 157 (2018) 03003 Published online: 14 March 2018 DOI: 10.1051/matecconf/201815703003