Electrostatic linear actuator developed as biomimicking skeletal muscle (measurement of static force generated by fundamental actuator)

Nobuyuki Kabei, Tomohiro Murayama, Kazuo Nagatake, Kiichi Tsuchiya

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Abstract

We applied the technology of biomimetics to the development of an artificial muscle using a new theory of muscle contraction, and called it the electrostatic linear motor model. We designed and manufactured a fundamental electrostatic linear actuator that consists of a parallel-plate capacitor and a slider made of dielectric material. Since the actuator uses the water which fills the space between the two electrodes, it must be driven by an alternating current. The optimal frequency range for obtaining strong forces was from 5 to 10 kHz. We examined the influence of the applied voltage on the static force under the applied frequency of 10 kHz. The force increased in proportion to the second power of supply voltage. The force of 6.64 mN was obtained at 200 V.

Original languageEnglish
Pages (from-to)3386-3391
Number of pages6
JournalNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume60
Issue number578
Publication statusPublished - 1994 Oct

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ASJC Scopus subject areas

  • Mechanical Engineering

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