NDLI: Planar multidipolar electromagnetic actuators

Content Provider	IEEE Xplore Digital Library
Author	Dutoit, B.M. Besse, P.-A. Popovic, R.S.
Copyright Year	1965
Abstract	We have conducted a study to find the most powerful planar magnetic actuator that works with a limited amount of current. The actuator must be flat so that it can be fabricated with thin-film or thick-film techniques. In this paper, we propose several configurations of planar electromagnetic actuators. These devices have been modeled, optimized, and fabricated. They allow improvement of the actuation force, and offer the possibility of fabricating complex coils that fit multidipolar magnets. Both cylindrical and checkerboard structures have been tested, and found to enhance the force of the actuators at small air gaps. We calculated the actuation force of the actuators using the surface current density model. This model yields a better understanding of the systems and decreases the calculation time by up to 1000 times. Comparison of calculations with simulations and measurements shows the relevance of the model. Moreover, the model allows one to find the best planar electromagnetic actuator among the proposed designs.
Sponsorship	IEEE Magnetics Society
Starting Page	1026
Ending Page	1034
Page Count	9
File Size	1056925
File Format	PDF
ISSN	00189464
Volume Number	39
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Actuators Transistors Electromagnetic forces Coils Magnets Testing Air gaps Surface fitting Current density Electromagnetic measurements
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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