Modelling and design approaches of magnetostrictive actuators Mattias Oscarsson Licentiate thesis in Electrical Systems Stockholm, Sweden 2007 .Submitted to the School of Electrical Engineering in partial fulfilment of the requirements for the degree of Licentiate of Technology TRITA-EE 2007:017 ISSN 1653-5146 ISBN 978-91-7178-652-4 Akademisk avhandling som med tillstånd av Kungl Tekniska Högskolan framlägges till offentlig granskning för avläggande av teknologie licentiatexamen, fredag 8 juni, kl. i sal H1, Teknikringen 33, Kungl Tekniska Högskolan, Stockholm. Granskare: Adj. Prof. Tord Cedell, Lunds Universitet. © Mattias Oscarsson, 2007-04-23 Tryck: Universitetsservice US-AB .To my family and friends Abstract A magnetostrictive material elongates when it is subjected to a magnetic field. This.