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Nuclear bilateral telerobotic systems: performance comparison and future implications

Published online by Cambridge University Press:  29 October 2024

Harun Tugal*
Affiliation:
UK Atomic Energy Authority (UKAEA), Remote Applications in Challenging Environments (RACE), Culham Campus, Abingdon, UK
Fumiaki Abe
Affiliation:
Tokyo Electric Power Company (TEPCO) and secondees at RACE/UKAEA, Culham Campus, Abingdon, UK
Masaki Sakamoto
Affiliation:
Tokyo Electric Power Company (TEPCO) and secondees at RACE/UKAEA, Culham Campus, Abingdon, UK
Shu Shirai
Affiliation:
Tokyo Electric Power Company (TEPCO) and secondees at RACE/UKAEA, Culham Campus, Abingdon, UK
Ipek Caliskanelli
Affiliation:
UK Atomic Energy Authority (UKAEA), Remote Applications in Challenging Environments (RACE), Culham Campus, Abingdon, UK
Wenxing Liu
Affiliation:
UK Atomic Energy Authority (UKAEA), Remote Applications in Challenging Environments (RACE), Culham Campus, Abingdon, UK
Hector Marin-Reyes
Affiliation:
UK Atomic Energy Authority (UKAEA), Remote Applications in Challenging Environments (RACE), Culham Campus, Abingdon, UK
Kaiqiang Zhang
Affiliation:
UK Atomic Energy Authority (UKAEA), Remote Applications in Challenging Environments (RACE), Culham Campus, Abingdon, UK
Robert Skilton
Affiliation:
UK Atomic Energy Authority (UKAEA), Remote Applications in Challenging Environments (RACE), Culham Campus, Abingdon, UK
*
Corresponding author: Harun Tugal; Email: harun.tugal@ukaea.uk

Abstract

This article presents a comprehensive evaluation of two nuclear-rated bilateral telerobotic systems, Telbot and Dexter, focusing on critical performance metrics such as effort transparency, stiffness, and backdrivability. Despite the absence of standardized evaluation methodologies for these systems, this study identifies key gaps by experimentally assessing the quantitative performance of both systems under controlled conditions. The results reveal that Telbot exhibits higher stiffness, but at the cost of greater effort transmission, whereas Dexter offers smoother backdrivability. Furthermore, positional discrepancies were observed during the tests, particularly in nonlinear positional displacements. These findings highlight the need for standardized evaluation methods, contributing to the development, manufacturing, and procurement processes of future bilateral telerobotic systems.

Information

Type
Research Article
Copyright
© The Author(s), 2024. Published by Cambridge University Press

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