Stable and transparent time-delayed teleoperation by direct acceleration waves

Baris Yalcin, Kouhei Ohnishi

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

For time-delayed bilateral teleoperation systems, this paper presents a novel structure to considerably improve performance in terms of transparency and perception bandwidth, which are extremely low for passive systems, as well as forceposition and velocity tracking on which delay control systems suffer both necessity for provision of identical initial conditions and drift problem. Performance improvement is carried out in three steps. The first step is the utilization of a four-channel wave-transmission structure that provides direct force and velocity feedbacks to each robot by asymmetric damping. Since the common dimension of wave variables is acceleration, the second step is the conversion of wave data into acceleration terms and the employment of acceleration control. The third step is the scaling of both the force- and position-based acceleration dimensions. Perception-bandwidth-limiting filters are used neither in wave space nor in control space. We showed the validity by experiments and superiority to previous systems by various comparative analyses.

Original languageEnglish
Article number5371818
Pages (from-to)3228-3238
Number of pages11
JournalIEEE Transactions on Industrial Electronics
Volume57
Issue number9
DOIs
Publication statusPublished - 2010 Sep

Fingerprint

Remote control
Delay control systems
Acceleration control
Bandwidth
Wave transmission
Transparency
Damping
Robots
Feedback
Experiments

Keywords

  • Acceleration control
  • acceleration waves
  • haptics
  • motion control
  • teleoperation
  • time delay
  • transparency
  • wave variables

ASJC Scopus subject areas

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

Cite this

Stable and transparent time-delayed teleoperation by direct acceleration waves. / Yalcin, Baris; Ohnishi, Kouhei.

In: IEEE Transactions on Industrial Electronics, Vol. 57, No. 9, 5371818, 09.2010, p. 3228-3238.

Research output: Contribution to journalArticle

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