%0 Journal Article %T Mechatronic module with variable geometry and winding external magnetic system %A Bokher, R.. %A Litvinenko, A.. %K double spiral spatial element, electrodynamic, external magnet. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 5 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov