Development of Strain Distribution Sensor Having Curved Surface for Grip Force Control

Takashi Kawai, Yuuichi Hirano, Takashi Maeno

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In this study we develop a strain distribution sensor to lift a object by fingers without producing whole slip or applying excessive force even when the weight and the friction coefficient of the object are unknown. Strain gages bonded on thin plates are arranged at even intervals inside an elastic finger having curved surface made of silicone rubber. Geometry of the elastic finger is designed by calculating the contact condition between the finger and a plate with/without tangential load using a FE (finite element) analysis. We also measured the characteristics of the strain distribution sensor. Results show that the grip force can be controlled using the designed strain distribution sensor.

Original languageEnglish
Pages (from-to)4264-4270
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume64
Issue number627
DOIs
Publication statusPublished - 1998
Externally publishedYes

Fingerprint

Force control
Sensors
Strain gages
Silicones
Rubber
Friction
Finite element method
Geometry

Keywords

  • Contact Problem
  • Control
  • Finite Element Method
  • Friction
  • Tactile Sensor
  • Tribology

ASJC Scopus subject areas

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

Cite this

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AU - Kawai, Takashi

AU - Hirano, Yuuichi

AU - Maeno, Takashi

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AB - In this study we develop a strain distribution sensor to lift a object by fingers without producing whole slip or applying excessive force even when the weight and the friction coefficient of the object are unknown. Strain gages bonded on thin plates are arranged at even intervals inside an elastic finger having curved surface made of silicone rubber. Geometry of the elastic finger is designed by calculating the contact condition between the finger and a plate with/without tangential load using a FE (finite element) analysis. We also measured the characteristics of the strain distribution sensor. Results show that the grip force can be controlled using the designed strain distribution sensor.

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