In the deepest corners of the mind hide dark secrets and truths people will not admit to themselves. Peer in on those thoughts as the lives of fifteen people are exposed. See their deepest desires and their ambitions. As their stories are unfolded through mere minutes of an evening find the thread that links them all together or even tear them apart. Emotions are the drive pushing them to their fate. The love that drives them can only be matched by the demons they hide.
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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