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Remote actuation mechanism for MR-compatible manipulator using leverage and parallelogram - Workspace analysis, workspace control, and stiffness evaluation

  • Yoshihiko Koseki*
  • , Noriho Koyachi
  • , Tatsuo Arai
  • , Kiyoyuki Chinzei
  • *Corresponding author for this work
  • National Institute of Advanced Industrial Science and Technology
  • The University of Osaka

Research output: Contribution to journal › Conference article › peer-review

Abstract

In this paper, a novel mechanism of remote actuation was proposed and its mechanical problems were discussed. This mechanism consists of leverage and parallelogram mechanism and transmits 3 d.o.f translational and 3 d.o.f rotational motions from the input to output. Such a remote actuation is significantly useful for robotic assist around MRI where the strong and precise magnet is used for imaging, because mutual effect between MRI and robot are inverse proportional to the distance. In this paper, the basic ideas of mechanism were introduced firstly. The discussions of its stiffness and workspace conclude their trade-off. Our new idea of workspace control for mechanical safety is preliminary discussed.

Original languageEnglish
Pages (from-to)652-657
Number of pages6
JournalProceedings - IEEE International Conference on Robotics and Automation
Volume1
Publication statusPublished - 2003
Externally publishedYes
Event2003 IEEE International Conference on Robotics and Automation - Taipei, Taiwan, Province of China
Duration: 14 Sept 2003 → 19 Sept 2003

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