[Updated on Apr. 18] Integration of CiNii Articles into CiNii Research

Small Size Linear Vernier Motor for Artificial Muscle Applications

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  • 人工筋用小型リニアバーニアモータの提案
  • ジンコウキンヨウ コガタ リニアバーニアモータ ノ テイアン

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Abstract

We have been developing an electromagnetic linear actuator for an artificial muscle which has long stroke, quick response and large thrust using interior permanent magnets effectively. In this paper, we propose a novel small size cylindrical linear vernier motor with axially magnetized magnets. This actuator has a simple structure whose mover is composed of sets of a ring magnet between iron rings. Axially opposite magnetized magnets are alternatively arranged. The thrust and detent force of the actuator are calculated by the 2-D finite element method. As the results, the thrust of the actuator 12.9N under 1A effective current is achieved with detent force ±1.1N.

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