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A New Moving-magnet Type Linear Actuator utilizing Flux Concentration Permanent Magnet Arrangement
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 Title & Authors
A New Moving-magnet Type Linear Actuator utilizing Flux Concentration Permanent Magnet Arrangement
Goto, Akira; Okamoto, Takuya; Ikariga, Atsushi; Todaka, Takashi; Enokizono, Masato;
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 Abstract
This paper presents a moving-magnet type linear actuator designed by using flux concentration type permanent magnet arrangement, which can generate higher magnetic flux density in air-gap. In this construction, detent force which is induced by both slot-effect and end-effect becomes larger due to strong attractive forces. To reduce cogging force we have employed a modular mover structure of two magnetic pole sections connected with a center yoke. The improved motor performance is demonstrated with the prototype machine.
 Keywords
Linear motor;Moving magnet type;Cogging;Thrust;Center yoke;End yoke;
 Language
English
 Cited by
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