Task preservation of multi-degree-of-freedom motion using interaction mode control

Seiichiro Katsura, Kiyoshi Ohishi

Research output: Contribution to journalArticle

Abstract

Recently, skill preservation of an expert and skill training have been a serious problem of the medical or production fields. This paper proposes a task preservation and reproduction of multi-degree-of-freedom motion using interaction mode control based on bilateral motion control. The proposed task preservation system is composed of two modes; acquisition mode and reproduction mode. In the acquisition mode, the control system is based on bilateral control. Since a touching motion is subject to the "law of action and reaction", it is possible to decompose force information into action force and reaction force by using the bilateral control. Furthermore, human motion is acquired in decoupled modal space by using the quarry matrix. The decoupled modes correspond to "moving", "yawing", "grasping" motions. Thus the multi-degree-of-freedom motion by a human is easily obtained and analyzed in the modal space. In the reproduction mode, the acquired human motion is reproduced in the modal space by using the interaction mode control. The proposed task preservation system is applied for grasping motion by three fingers. The experimental results show viability of the proposed method.

Original languageEnglish
Pages (from-to)16-24
Number of pages9
JournalEPE Journal (European Power Electronics and Drives Journal)
Volume18
Issue number1
Publication statusPublished - 2008 Jan

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Quarries
Motion control
Control systems

Keywords

  • Acceleration control
  • Bilateral control
  • Disturbance observer
  • Haptics
  • Hybrid ratio
  • Interaction mode control
  • Motion control
  • Quarry matrix
  • Skill acquisition

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Task preservation of multi-degree-of-freedom motion using interaction mode control. / Katsura, Seiichiro; Ohishi, Kiyoshi.

In: EPE Journal (European Power Electronics and Drives Journal), Vol. 18, No. 1, 01.2008, p. 16-24.

Research output: Contribution to journalArticle

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