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  4. Glove- and Sleeve-Format Variable-Friction Electrostatic Clutches for Kinesthetic Haptics
 
research article

Glove- and Sleeve-Format Variable-Friction Electrostatic Clutches for Kinesthetic Haptics

Hinchet, Ronan J.  
•
Shea, Herbert  
October 2, 2022
Advanced Intelligent Systems

Clothing with integrated high-force actuators enables wearable haptics for immersive virtual reality (VR) and enables soft exoskeletons for rehabilitation or human augmentation. Electrostatic clutches (ESClutches) offer a very-low-energy solution to block motion and are mm thin. Challenges for ESClutches in wearables are 1) effective integration in clothing to accurately block body motion while ensuring comfort, 2) well-controlled sliding for variable stiffness rendering, and 3) adaptation to shoulder or hip joints. Here, the control of sliding friction of soft ESClutches is demonstrated, using materials that enable both integration in textile and efficient force transfer to the user. We present a 1.3 mm-thick soft glove with five ESClutches, providing up to 50 N of kinesthetic feedback per finger. A clutch in a thin haptic sleeve that controls elbow extension is reported. Eight cable-format ESClutches on a shoulder are shown, selectively blocking multiple degrees of freedom. VR tests demonstrate that the glove and the sleeve give the user the ability to rank the softness and weight of virtual objects. In a teleoperation scenario, the glove enables the user to remotely feel an object's stiffness. The ESClutches and textile integration pave a path toward socially acceptable and comfortable kinesthetic haptics.

  • Details
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Type
research article
DOI
10.1002/aisy.202200174
Web of Science ID

WOS:000863487600001

Author(s)
Hinchet, Ronan J.  
Shea, Herbert  
Date Issued

2022-10-02

Publisher

WILEY

Published in
Advanced Intelligent Systems
Subjects

Automation & Control Systems

•

Computer Science, Artificial Intelligence

•

Robotics

•

Automation & Control Systems

•

Computer Science

•

Robotics

•

electrostatic clutch

•

haptic garment

•

kinesthetic feedback

•

soft exoskeleton

•

variable stiffness

•

wearable haptics

•

wearable robotics

•

feedback

•

design

•

force

•

stiffness

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LMTS  
Available on Infoscience
October 24, 2022
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/191522
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