An Electrostatic Linear Actuator Developed as a Biomimicking Muscle (Force Generated by a Two-Dimensional Integrated Actuator)

Nobuyuki Kabei, Tomohiro Murayama, Kazuo Nagatake, Kiichi Tsuchiya

Research output: Contribution to journalArticle

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. A unit actuator with one pair of electrodes generated the force of 6 millinewtons. In order for the actuator to generate a large output force, we made a two-dimensional integrated actuator with twenty pairs of electrodes whose aspect ratio (distance between two electrodes of capacitor/length of electrode) was 0.8 and width was 34 mm. It was confirmed that the experimental values of force agree well with the theoretical ones. The maximum output force of 42.3 mN was generated at the supply voltage of 200 V.

Original languageEnglish
Pages (from-to)3398-3403
Number of pages6
JournalTransactions of the Japan Society of Mechanical Engineers Series C
Volume60
Issue number578
DOIs
Publication statusPublished - 1994 Jan 1

Keywords

  • Artificial Muscle
  • Biomimicking
  • Electrostatic Actuator

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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