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Characterization of a Four Discrete Positions Electromagnetic Actuator

[+] Author Affiliations
Laurent Petit, Pengfei Huyan, Christine Prelle, Emmanuel Dore, Frédéric Lamarque

Universitè de Technologie de Compiègne (UTC), Compiègne, France

Paper No. ESDA2012-82312, pp. 323-331; 9 pages
  • ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 2: Applied Fluid Mechanics; Electromechanical Systems and Mechatronics; Advanced Energy Systems; Thermal Engineering; Human Factors and Cognitive Engineering
  • Nantes, France, July 2–4, 2012
  • Conference Sponsors: International
  • ISBN: 978-0-7918-4485-4
  • Copyright © 2012 by ASME


A digital electromagnetic actuator having two displacement directions and four discrete positions is presented. These discrete positions are located at each corner of a closed square bracket where a mobile magnet moves due to Lorentz force generated with a driving current through a wire. An optimized design of this actuator is presented, modeled and tested. At first, plane displacements are presented which proves the ability of the actuator to realize this type of displacement. Second, comparisons between the experimental and modeled displacements are carried out which show a good agreement from dynamic point of view and finally, the measured positioning repeatability errors in discrete position are given.

Copyright © 2012 by ASME



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