Bilateral robot system on the real-time network structure

Yutaka Uchimura, Takahiro Yakoh

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

This paper presents a bilateral robot system, which is driven by the static friction-free drive system and implemented on the real-time network structure. The goal is to realize a force reflecting bilateral teleoperation with haptic impression transmission over computer networks. The paper considers two subjects relating to the bilateral robot. The first is static friction, which degrades the performance of manipulation and results in a poor haptic impression. A new transmission mechanism named twin drive system developed by the authors resolves this problem. The transmission mechanism, which resembles the differential gear of automobiles, is essentially free of static friction. This static-friction-free motion greatly contributes to the broad range of motion control applications. The second subject is the time delay of the network, which may cause serious problems such as instability of the feedback system. To avoid such delay, the authors developed a new real-time network protocol stack (RTNP). The detailed mechanism of the twin drive system and architecture of the RTNP are presented, and the control scheme and experimental results are also shown.

Original languageEnglish
Pages (from-to)940-946
Number of pages7
JournalIEEE Transactions on Industrial Electronics
Volume51
Issue number5
DOIs
Publication statusPublished - 2004 Oct
Externally publishedYes

Fingerprint

static friction
robots
Robots
Friction
computer networks
Network protocols
automobiles
Motion control
Remote control
Computer networks
Automobiles
Gears
manipulators
Time delay
time lag
Feedback
causes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Instrumentation

Cite this

Bilateral robot system on the real-time network structure. / Uchimura, Yutaka; Yakoh, Takahiro.

In: IEEE Transactions on Industrial Electronics, Vol. 51, No. 5, 10.2004, p. 940-946.

Research output: Contribution to journalArticle

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