https://doi.org/10.1140/epjp/s13360-022-03433-9
Regular Article
Electromechanics of solenoid electroribbon actuators
1
Department of Astronautical Science and Mechanics, Harbin Institute of Technology, 150001, Harbin, China
2
School of Science, Harbin Institute of Technology (Shenzhen), 518055, Shenzhen, China
Received:
23
August
2022
Accepted:
25
October
2022
Published online:
4
November
2022
Soft liquid-amplified actuators are an emerging soft actuator that can provide powerful, fast, energy-efficient, lightweight, and robust actuations. Solenoid electroribbon actuators (SERAs) are a new configuration of liquid-amplified actuators and can be easy-to-make and cost-effective direct drives for robotics. Here we use a large deformation thin beam theory to study the fundamental electromechanics of SERAs. We find that: (1) a small dielectric droplet is enough for sufficient actuations; (2) different loading conditions and ring electrode aspect ratios have a large effect on the change of the two deformation modes associated with SERAs; (3) to produce greater actuation strokes, greater aspect ratios are preferred for stretching loads, whereas proper aspect ratios should be considered for compression loads; (4) more stable actuation outputs require small aspect ratios but may bring snap-through instabilities. The model and its numerical results, together with its experimental validations, are useful insights toward optimizing their actuation performances for robotics and beyond.
Supplementary Information The online version contains supplementary material available at https://doi.org/10.1140/epjp/s13360-022-03433-9.
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© The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
