202 分散系ER流体のERバルブ流れと点字表示用凸ピンマイクロアクチュエータへの応用(2)(OS2-1 機能性流体工学の先端融合化,OS2機能性流体工学の先端融合化)

概要

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The ER suspension behaves like a Bingham fluid having yield stress, which can be rapidly changed in a reversible manner by applying electric field. The advantages are a simple and compact construction, and the response time of several m sec order. In this research, at first, the pressure response and flow behavior of ER suspension across a micro gap channel of ER valve have been investigated. Based on the results, three ports micro-bellows-actuator driven by a pair of micro ER valve has been designed and fabricated by photolithography for the use of controlling one unit of tactile-pin for Braille display system. The relationship between the ER fluid supply pressure and the actuator force is discussed to determine enough force to push up the Braille tactile-pin.
一般社団法人日本機械学会の論文
2006-10-28