Design of a permanent magnet actuator for linear and rotary movements G. Krebs, A. Tounzi, B. Pauwels, D. Willemot and M. F. Piriou Eur. Phys. J. Appl. Phys., 44 1 (2008) 77-85 Published online: 25 July 2008 DOI: 10.1051/epjap:2008105