Electriflow: Soft Electrohydraulic Building Blocks for Prototyping Shape-changing Interfaces

Purnendu,; Novack, Sasha M; Acome, Eric; Keplinger, Christoph; Alistar, Mirela; Gross, Mark D.; Bruns, Carson J.; Leithinger, Daniel

doi:10.1145/3461778.3462093

Cited by 11 publications

(3 citation statements)

References 37 publications

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“…In the study, a jumping robot powered by a single SES joint was demonstrated to jump up 5.5 cm (10 times its height) upon a square voltage, and a 3-finger soft gripper with each finger powered by two SES joints could grab up a 270 g ceramic mug. Furthermore, Purnendu et al extended the concept to origami designs by integrating HASELs into the folded hinges to activate the bending movements of certain parts [53,54].…”

Section: Electrohydraulic Soft Actuatorsmentioning

confidence: 99%

“…The HASEL array reached 91% of the maximum motion and 10% of the maximum fingertip force achieved by using a DC motor actuator, while consuming 8.7 times less energy, operating 10.6 times faster, and having 11.1 times higher bandwidth. Shape morphing designs, such as tangible animation inside a book and physical character animation, can be activated by thermoplastic HASEL as shown by Purnendu et al [54]. The group demonstrated the concept of Electriflow, or in other words the use of electro hydraulic actuators as building blocks for shape-changing interfaces.…”

Section: Electrohydraulic Soft Actuatorsmentioning

confidence: 99%

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A Review of Electrically Driven Soft Actuators for Soft Robotics

Sameoto

2022

Micromachines

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In recent years, the field of soft robotics has gained much attention by virtue of its aptness to work in certain environments unsuitable for traditional rigid robotics. Along with the uprising field of soft robotics is the increased attention to soft actuators which provide soft machines the ability to move, manipulate, and deform actively. This article provides a focused review of various high-performance and novel electrically driven soft actuators due to their fast response, controllability, softness, and compactness. Furthermore, this review aims to act as a reference guide for building electrically driven soft machines. The focus of this paper lies on the actuation principle of each type of actuator, comprehensive performance comparison across different actuators, and up-to-date applications of each actuator. The range of actuators includes electro-static soft actuators, electro-thermal soft actuators, and electrically driven soft pumps.

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Section: Electrohydraulic Soft Actuatorsmentioning

confidence: 99%

Section: Electrohydraulic Soft Actuatorsmentioning

confidence: 99%

A Review of Electrically Driven Soft Actuators for Soft Robotics

Sameoto

2022

Micromachines

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“…To solve the limitation, new approaches based on electrohydraulic actuators have been reported [17][18][19][20][21][22][23][24][25][26] . Electrohydraulic actuators have simultaneously used both electrostatic force and hydraulic pressure without an external pressure source.…”

Section: Introductionmentioning

confidence: 99%

Multimodal motion of soft origami tripod using electrohydraulic actuator

Kang,

Kim,

Cha

2024

Soft Mechatronics and Wearable Systems

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In this paper, a novel soft origami tripod structure that is scalable and controllable using electrohydraulic actuators is proposed. The parallel designed structure consists of three origami legs connecting the top and bottom plates. The tripod is activated with self-unfolding legs when electrohydraulic actuators are swelled by applied voltage. Each leg has the classic origami pattern waterbomb, which serves as a spherical joint. When the actuator is activated, the legs are stretched, lifting the top plate of the soft tripod in various directions. That is, the tripod has multimodal shape morphing, including linear and tilting motions with only three electrohydraulic actuators.

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