Effects of imperfect communication network on haptic teleoperator's performance

Hyoung Il Son, Ayoung Hong, Heinrich Bulthoff, Dongjun Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

There is, practically, imperfect communication network (e.g., time delay and packet loss/switching) in haptic interaction (or teleoperation) systems. It is well known that such imperfect communication degrades teleoperator's performance as well as stability. We hypothesis that as an imperfectness level in the communication network is increasing, the teleoperator's performance is decreasing monotonically. In this paper, we verified the hypothesis via a human-centered evaluation of the teleoperator's perceptual performance in terms of just noticeable difference (JND), point of subject equality (PSE), and perception time using two psychophysical experiments: experiment of packet separation time and experiment of packet loss. In the experiment of packet separation time, there were significant increases of JND and PSE as the packet separation time was increased. However, interestingly, there was no significant decrease of teleoperator's perceptual performance in the experiment of packet loss although the packet loss rate was increased until 75 %. The experimental results clearly shows that the packet separation time affects on the teleoperator's perceptual performance more than the packet loss rate.

Original languageEnglish
Title of host publicationInternational Conference on Control, Automation and Systems
Pages1772-1777
Number of pages6
Publication statusPublished - 2012 Dec 1
Event2012 12th International Conference on Control, Automation and Systems, ICCAS 2012 - Jeju, Korea, Republic of
Duration: 2012 Oct 172012 Oct 21

Other

Other2012 12th International Conference on Control, Automation and Systems, ICCAS 2012
CountryKorea, Republic of
CityJeju
Period12/10/1712/10/21

Keywords

  • Haptic interaction
  • human performance
  • human-centered evaluation
  • imperfect communication
  • psy-chophysics

ASJC Scopus subject areas

  • Artificial Intelligence
  • Computer Science Applications
  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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  • Cite this

    Son, H. I., Hong, A., Bulthoff, H., & Lee, D. (2012). Effects of imperfect communication network on haptic teleoperator's performance. In International Conference on Control, Automation and Systems (pp. 1772-1777). [6393131]