Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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The Effect of Asynchronous Haptic and Video Feedback on Teleoperation and a Comment for Improving the Performance

비 동기화된 촉각과 영상 시간지연이 원격조종로봇에 미치는 영향과 성능 향상을 위한 조언

  • Kim, Hyuk (Korea University of Technology and Education) ;
  • Ryu, Jee-Hwan (Korea University of Technology and Education)
  • 김혁 (한국기술교육대학교, 기계정보공학부) ;
  • 유지환 (한국기술교육대학교, 기계정보공학부)
  • Received : 2011.08.02
  • Accepted : 2011.12.20
  • Published : 2012.02.01
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Abstract

In this paper, we investigate the effect of asynchronous haptic and video feedback on the performance of teleoperation. To analyze the effect, a tele-manipulation experiment is specially designed, which operator moves square objects from one place to another place by using master/slave telerobotic system. Task completion time and total number of falling of the object are used for evaluating the performance. Subjective study was conducted with 10 subjects in 16 different combinations of video and haptic feedback while participants didn't have any prior information about the amount of each delay. Initially we assume that synchronized haptic and video feedback would give best performance. However as a result, we found that the accuracy was increased when haptic and video feedback was synchronized, and the completion time was decreased when one of the feedback (either haptic or video) was decreased. Another interesting fact that we found in this experiment is that it showed even better accuracy when haptic information arrives little bit earlier than video information, than the case when those are synchronized.

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References

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