Electrostatic linear actuator developed as a biomimicking skeletal muscle (improvement in performance of the actuator by using liquid crystal as gap-filling medium)

Nobuyuki Kabei, Hideaki Yosizawa, Kouji Bando, Tomohiro Murayama, Kazuo Nagatake, Shinichi Saito, Kiichi Tsuchiya

研究成果査読

1 被引用数 (Scopus)

抄録

We developed an electrostatic linear actuator for use as an artificial muscle which consists of parallel plate capacitors and a slider made of dielectric material. The most effective method to increase the output force of the actuator is optimizing the dielectric constant of the gap-filling medium, which fills the space between two electrodes of the capacitor, and increasing the dielectric strength of the medium for supplying high voltage to the capacitor. We chose liquid crystal as the gap-filling medium. Its maximum dielectric constant is 23 and the dielectric strength is 5.5 MV/m. The maximum output force of 56.5 mN was generated by the actuator filled with liquid crystal. This value is seven times as large as that generated by the same actuator filled with pure water used as the gap-filling medium in previous experiments.

本文言語English
ページ(範囲)287-292
ページ数6
ジャーナルNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
61
586
出版ステータスPublished - 1995 6 1

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 産業および生産工学

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