Mechanical design and control of inflatable robotic arms for high positioning accuracy

Hye Jong Kim, Akihiro Kawamura, Yasutaka Nishioka, Sadao Kawamura

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

In recent years, inflatable robotic arms have been developed so that physical contact with humans and working environments could be performed safety. In industry, there is a growing demand for safe industrial robots to collaborate with people and work in various environments. In general, however, the positioning accuracy of inflatable robotic arms has not been discussed. This paper proposes an inflatable link structure and a non-inflatable joint structure that could realize a high positioning accuracy for such robotic arms. This paper experimentally demonstrates that these structures can improve positioning accuracy. In addition to these structures, the joint torque characteristics of the inflatable robotic arms were investigated. In order to perform accurate motion control, a visual feedback control method was introduced for inflatable robotic arms. The mechanism and control system used in this paper can improve the positioning accuracy performance of inflatable robots. A 2-DOF inflatable robotic arm and a camera system were found to be able to achieve a high positioning accuracy (i.e. less than 1 mm).

Original languageEnglish
Pages (from-to)89-104
Number of pages16
JournalAdvanced Robotics
Volume32
Issue number2
DOIs
Publication statusPublished - Jan 17 2018

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Robotic arms
Industrial robots
Motion control
Feedback control
Torque
Cameras
Robots
Control systems
Industry

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Software
  • Human-Computer Interaction
  • Hardware and Architecture
  • Computer Science Applications

Cite this

Mechanical design and control of inflatable robotic arms for high positioning accuracy. / Kim, Hye Jong; Kawamura, Akihiro; Nishioka, Yasutaka; Kawamura, Sadao.

In: Advanced Robotics, Vol. 32, No. 2, 17.01.2018, p. 89-104.

Research output: Contribution to journalArticle

Kim, Hye Jong ; Kawamura, Akihiro ; Nishioka, Yasutaka ; Kawamura, Sadao. / Mechanical design and control of inflatable robotic arms for high positioning accuracy. In: Advanced Robotics. 2018 ; Vol. 32, No. 2. pp. 89-104.
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