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

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

Department of Bioscience and Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	287-292
Number of pages	6
Journal	Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume	61
Issue number	586
Publication status	Published - 1995 Jun 1

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

Cite this

Kabei, N., Yosizawa, H., Bando, K., Murayama, T., Nagatake, K., Saito, S., & Tsuchiya, K. (1995). Electrostatic linear actuator developed as a biomimicking skeletal muscle (improvement in performance of the actuator by using liquid crystal as gap-filling medium). Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, 61(586), 287-292.

Electrostatic linear actuator developed as a biomimicking skeletal muscle (improvement in performance of the actuator by using liquid crystal as gap-filling medium). / Kabei, Nobuyuki; Yosizawa, Hideaki; Bando, Kouji et al.

In: Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, Vol. 61, No. 586, 01.06.1995, p. 287-292.

Research output: Contribution to journal › Article › peer-review

Kabei, N, Yosizawa, H, Bando, K, Murayama, T, Nagatake, K, Saito, S & Tsuchiya, K 1995, 'Electrostatic linear actuator developed as a biomimicking skeletal muscle (improvement in performance of the actuator by using liquid crystal as gap-filling medium)', Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, vol. 61, no. 586, pp. 287-292.

Kabei, Nobuyuki ; Yosizawa, Hideaki ; Bando, Kouji et al. / Electrostatic linear actuator developed as a biomimicking skeletal muscle (improvement in performance of the actuator by using liquid crystal as gap-filling medium). In: Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 1995 ; Vol. 61, No. 586. pp. 287-292.

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

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