Wireless motion capture system using magnetically coupled LC resonant marker

S. Hashi, Y. Tokunaga, S. Yabukami, T. Kohno, T. Ozawa, Y. Okazaki, K. Ishiyama, K. I. Arai

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

A novel motion capture system using magnetically coupled LC resonant marker have been developed. This system composed from the LC marker, a driving coil and a pickup coil array. The marker consists only of an inductor and a capacitor without battery or electric wires, and driven wirelessly by the action of electromagnetic induction. The position accuracy was around 2 mm when the marker was located within the space of 50 mm apart from the pickup coil array. The system is applicable for highly accurate motion capturing without magnetic shielding because the system is free from the earth field. Additionally, it has a possibility of a multi-point motion capturing because the system allow markers to have an individual frequency band.

Original languageEnglish
Pages (from-to)1330-1333
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Volume290-291 PART 2
DOIs
Publication statusPublished - 2005 Apr
Externally publishedYes

Keywords

  • Electromagnetic induction
  • Magnetically coupled LC resonant marker
  • Motion capture
  • Wireless sensing

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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