Static Thrust Analysis of A Cylindrical Moving Core Type Linear Oscillatory Actuator.

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  • 円筒状鉄心可動形リニア振動アクチュエータの静推力特性解析
  • エントウジョウ テッシン カドウガタ リニア シンドウ アクチュエータ ノ セ

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Abstract

This paper deals with a consideration concerning materials for the movers, volume ratio of the stator and of the mover, structure of the mover in a cylindrical moving iron type linear oscillatory actuator (LOA) having a permanent magnet.<br>Following results are obtained in this paper.<br>(1) The static thrust characteristics are evaluated on two movers. Movers P and S are made of a permendur and a stainless steel, respectively. It is clarified that the static thrust of the mover P is 30% larger than that of the mover S.<br>(2) It is suggested that the structure of the mover P should be improved to eliminate a “lump” in static thrust-displacement curve due to the step on the mover, which disturbs smooth motion of the LOA.

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