Once upon a time if you wanted to be a hero, you had to have a proper, hero-sounding name. And if you wanted to be a big scary monster, it was no good unless your name was big and scary too. But when all the proper-sounding heroes can't defeat the most menacing monster in the kingdom, the king offers his whole kingdom to whoever can beat it. Could Stinkpot succeed? Even with such a silly name?
Linear electric actuators (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.
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