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  4. Control the Soft Robot Arm with its "Physical Twin"
 
conference paper

Control the Soft Robot Arm with its "Physical Twin"

Guan, Qinghua  
•
Cheng, Hung Hon  
•
Dai, Benhui  
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October 19, 2025
2025 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)
2025 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)

To exploit the compliant capabilities of soft robot arms we require controller which can exploit their physical capabilities. Teleoperation, leveraging a human in the loop, is a key step towards achieving more complex control strategies. Whilst teleoperation is widely used for rigid robots, for soft robots we require teleoperation methods where the configuration of the whole body is considered. We propose a method of using an identical ‘physical twin’, or demonstrator of the robot. This tendon robot can be back-driven, with the tendon lengths providing configuration perception, and enabling a direct map-ping of tendon lengths for the execture. We demonstrate how this teleoperation across the entire configuration of the robot enables complex interactions with exploit the envrionment, such as squeezing into gaps. We also show how this method can generalize to robots which are a larger scale that the physical twin, and how, tuneability of the stiffness properties of the physical twin simplify its use.

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Type
conference paper
DOI
10.1109/iros60139.2025.11246354
Author(s)
Guan, Qinghua  

École Polytechnique Fédérale de Lausanne

Cheng, Hung Hon  

École Polytechnique Fédérale de Lausanne

Dai, Benhui  

École Polytechnique Fédérale de Lausanne

Hughes, Josie  

École Polytechnique Fédérale de Lausanne

Date Issued

2025-10-19

Publisher

IEEE

Published in
2025 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)
DOI of the book
https://doi.org/10.1109/IROS60139.2025
Start page

6891

End page

6897

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CREATE-LAB  
Event nameEvent acronymEvent placeEvent date
2025 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)

IROS 2025

Hangzhou, China

2025-10-19 - 2025-10-25

Available on Infoscience
December 1, 2025
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/256504
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