Linear Electric Actuators

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I. BoldeaCambridge University PressEdition: Revised ed., 8/21/2008EAN 9780521020329, ISBN10: 0521020328Paperback, 248 pages, 23.4 x 15.5 x 1.3 cmLanguage: EnglishLinear electric ac tuators (LEAs) and linear electric generators (LEGs) are widely used electromagnetic devices. This book deals with LEAs that convert electric energy into controlled mechanical motion of limited travel and LEGs that transform mechanical energy into electric energy. Examples range from loudspeakers and microphones to magnetically levitated material transfer in ultraclean rooms. Much of the literature on linear actuators and generators covers the principles of operation and performance calculations of these devices. Little has been published on their control or on detailed design methodologies. This book presents the first unified treatment of the subject, including the construction, operation, control and design of LEAs and LEGs. Chapters describe linear induction, permanent-magnet, linear reluctance, switched reluctance, and linear stepper actuators, as well as various types of linear electric generators. The text is amply illustrated with numerous design examples.1. Magnetic circuits, fields and forces2. Introduction to linear electric actuators and generators3. Linear induction actuators4. Linear permanent magnet synchronous actuators5. Linear reluctance synchronous actuators6. Linear switched reluctance actuators7. Linear stepper actuators8. Linear electric generators.'Skilfully written by two distinguished researchers in the field, this highly topical and intriguing book is aimed at those working in industry and universities who approach the emergent technology of linear actuators and alternators.' Electromotion Show more