Haptic perception mechanism of softness

Daisuke Tsuchimi, Takeshi Okuyama, Mami Tanaka

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

A palpation is convenient and it is a useful method to detect a cancer and to evaluate softness of skin. However, the palpation is skillful method, and the mental/physical conditions of the experts affect the result of the palpation easily. The result of palpation is subjective and it is hard to share the result with the other people. Therefore, the development of the sensor that can measure the softness of the body is demanded. In this paper, a relationship between physical properties of measured objects and the softness that human feel are investigated for a development of a tactile sensor system. At first, the relationship between tactile softness and stiffness of the measured objects is investigated. As a result, tactile softness decreases with the increase of stiffness of the objects. Next, the relationship between tactile softness and size of contact area of human finger are investigated. These results lead to the conclusion that there is a possibility that tactile softness of the objects are not only related to the contact force or displacement of a finger and the objects but also to the contact area of the finger and the measured objects.

Original languageEnglish
Pages (from-to)1041-1046
Number of pages6
JournalInternational Journal of Applied Electromagnetics and Mechanics
Volume39
Issue number1-4
DOIs
Publication statusPublished - 2012 Oct 9

Keywords

  • Tactile
  • softness
  • stiffness

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Mechanics of Materials
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

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