Friction estimation by pressing an elastic finger-shaped sensor against a surface

Takashi Maeno, Tomoyuki Kawamura, Sen Chieh Cheng

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

A method is proposed to estimate the friction coefficient between a planar surface and an elastic finger-shaped sensor by only pressing a sensor against the surface of an object. The contact condition between a planar surface and a half-cylindrical finger is considered, using finite-element analysis. The deformation of the elastic finger, contact forces, and strain distribution inside the elastic finger are calculated for various friction coefficients between the finger and the surface. Results show that the shear strain differs when the friction coefficient differs. In addition, in this paper, an elastic finger-shaped sensor made of silicone rubber is designed and constructed. In an experiment using this newly designed sensor, the friction coefficient between the finger and the planar surface is estimated using the strain inside the finger.

Original languageEnglish
Pages (from-to)222-228
Number of pages7
JournalIEEE Transactions on Robotics and Automation
Volume20
Issue number2
DOIs
Publication statusPublished - 2004 Apr

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Friction
Sensors
Shear strain
Silicones
Rubber
Finite element method
Experiments

Keywords

  • Contact problem
  • Friction
  • Friction coefficient
  • Grasp
  • Robot finger
  • Sensors
  • Tactile sensors

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

Friction estimation by pressing an elastic finger-shaped sensor against a surface. / Maeno, Takashi; Kawamura, Tomoyuki; Cheng, Sen Chieh.

In: IEEE Transactions on Robotics and Automation, Vol. 20, No. 2, 04.2004, p. 222-228.

Research output: Contribution to journalArticle

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