Publication
Multifunctional shape memory electrodes for dielectric elastomer actuators enabling high holding force and low-voltage multisegment addressing
Related publications (55)
Carbon based printed electrodes for DEAs: study of pad, inkjet, and stencil printing
Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Armando Matthieu Walter, Simon Holzer
Dielectric elastomer actuators (DEAs) have raised interest due to their remarkable capabilities in various applications, such as soft robotics, haptic feedback systems, and biomedical devices. To harness the full potential of DEAs, the choice of the electr ...
Society of Photo-Optical Instrumentation Engineers (SPIE)2024Soft Bending Actuator With Fiber-Jamming Variable Stiffness and Fiber-Optic Proprioception
Soft actuators with a function of variable stiffness are beneficial to the improvement of the adaptability of robots, expanding the application areas and environments. We propose a tendon-driven soft bending actuator that can change its stiffness using fib ...
Piscataway2023SOFT BIDIRECTIONAL BENDING ACTUATOR BASED ON MAGNETORHOGICAL FLUIDS
The goal of this project is to design and fabricate a bidirectional bending actuator for soft robotics applications. The actuation principle will be based on magnetorheological fluids (MRFs). MRFs are smart materials consisting of micro-meter-sized particl ...
2023High Permittivity Siloxanes as Promising Materials for Dielectric Elastomer Transducers: From Synthesis to Application
The speed of change in the modern world is impressive. Within the last 50 years, many devices and technologies have significantly transformed their appearance, intrinsic characteristics and improved their performance. Computers have changed from the size o ...
EPFL2022Lifetime of dielectric elastomer actuators under DC electric fields
Dielectric elastomer actuators (DEAs) are interesting soft actuators compared to other actuation technologies owing to large achievable actuation strains, high energy density and fast actuation. However, because DEAs need to be operated under high electric ...
EPFL2022Shape programmable multi-stable polymer actuators
Recent advances in soft actuators have enabled systems that are safer to interact with, better at handling fragile objects, able to produce complex shapes with fewer components. However, being inherently soft differs these actuators from their rigid counte ...
EPFL2021Influence of electric field, temperature, humidity, elastomer material, and encapsulation on the lifetime of dielectric elastomer actuators (DEAs) under DC actuation
Herbert Shea, Fabio Beco Albuquerque
We present the effect of electric field, temperature, humidity, type of elastomer material, and encapsulation on the lifetime of silicone-based dielectric elastomer actuators (DEAs) under DC electric fields. DEAs are promising soft actuators, but little ha ...
IOP Publishing Ltd2021Design and modelling of a tubular dielectric elastomer actuator with constrained radial displacement as a cardiac assist device
Yves Perriard, Yoan René Cyrille Civet, Armando Matthieu Walter, Jonathan André Jean-Marie Chavanne
In this paper, we propose an improvement of a dielectric elastomer actuator (DEA) based augmented aorta. The actuator is a multi-layered tubular DEA subject to the internal pressure of the blood. When activated in synchronisation with the heart, the DEA su ...
IOP PUBLISHING LTD2021Reconfigurable and Latchable Shape‐Morphing Dielectric Elastomers Based on Local Stiffness Modulation
Programmable soft materials exhibiting dynamically reconfigurable, reversible, fast, and latchable shape transformation are key for applications ranging from wearable tactile actuators to deployable soft robots. Multimorph soft actuator sheets with high lo ...
2020Lighter and Stronger: Cofabricated Electrodes and Variable Stiffness Elements in Dielectric Actuators
Dario Floreano, Vivek Ramachandran, Yegor Piskarev, Jun Shintake, Michael Dickey
The inherent compliance of soft robots often makes it difficult for them to exert forces on surrounding surfaces or withstand mechanical loading. Controlled stiffness is a solution to empower soft robots with the ability to apply large forces on their envi ...
2020