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Peano-hydraulically amplified self-healing electrostatic actuators based on a novel bilayer polymer shell for enhanced strain, load and rotary motion
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Tian, Ye, Wu, Wenjie, Liang, Xianrong, Pan, Min, Bowen, Chris, Jiang, Yong, Sun, Jingyao, McNally, Tony, Wu, Daming, Huang, Yao and Wan, Chaoying (2022) Peano-hydraulically amplified self-healing electrostatic actuators based on a novel bilayer polymer shell for enhanced strain, load and rotary motion. Advanced Intelligent Systems, 4 (5). 2100239. doi:10.1002/aisy.202100239 ISSN 2640-4567.
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WRAP-Peano-hydraulically-amplified-self-healing-electrostatic-actuators-based-novel-bilayer-polymer-shell-enhanced-strain-load-rotary-motion-Wan-2022.pdf - Accepted Version Embargoed item. Restricted access to Repository staff only - Requires a PDF viewer. Download (1241Kb) |
Official URL: https://doi.org/10.1002/aisy.202100239
Abstract
The hydraulically amplified self-healing electrostatic actuator is an emerging driving component for soft robotics, which is composed of a flexible dielectric polymer shell that is partially covered by conductive electrodes and filled with a liquid dielectric. However, the low permittivity and dielectric strength of the polymer shell remain a challenge that limits the actuator performance. Herein, a Peano-hydraulically amplified self-healing electrostatic actuator is constructed by innovatively integrating a bilayer polymer shell for combined favorable properties of high dielectric strength, dielectric permittivity, and elastic modulus. Compared with a traditional single-layer shell actuator, the new bilayer actuator architecture generates an increased strain (164%) at 5 kV and improves load-bearing capability (620 mN) at 6 kV, thereby providing a significantly enhanced actuation performance. The new actuator is further applied in driving a ratchet system, which converts the reciprocating motion of the actuator into a rotating motion and a flexible output torque, in order to protect the rotating components from impact. The high strain and load characteristics of the bilayer configuration and the easy-to-deform characteristics of the new actuator design make it an attractive approach to fabricate complex geometries and achieve a variety of motion modes in soft systems.
Item Type: | Journal Article | |||||||||||||||
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Subjects: | Q Science > QC Physics T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||||||||
Library of Congress Subject Headings (LCSH): | Actuators , Actuators -- Materials, Polymers -- Electric properties, Robots -- Motion , Electrostatic accelerators | |||||||||||||||
Journal or Publication Title: | Advanced Intelligent Systems | |||||||||||||||
Publisher: | Wiley-Blackwell Publishing Ltd. | |||||||||||||||
ISSN: | 2640-4567 | |||||||||||||||
Official Date: | May 2022 | |||||||||||||||
Dates: |
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Volume: | 4 | |||||||||||||||
Number: | 5 | |||||||||||||||
Article Number: | 2100239 | |||||||||||||||
DOI: | 10.1002/aisy.202100239 | |||||||||||||||
Status: | Peer Reviewed | |||||||||||||||
Publication Status: | Published | |||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||||||||
Copyright Holders: | © 2022 The Authors. Advanced Intelligent Systems published by Wiley-VCH GmbH | |||||||||||||||
Date of first compliant deposit: | 5 January 2022 | |||||||||||||||
Date of first compliant Open Access: | 20 January 2022 | |||||||||||||||
RIOXX Funder/Project Grant: |
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