Bistable and multistable actuators for soft robots: Structures, materials, and functionalities

Y Chi, Y Li, Y Zhao, Y Hong, Y Tang… - Advanced Materials, 2022 - Wiley Online Library
Snap‐through bistability is often observed in nature (eg, fast snapping to closure of Venus
flytrap) and the life (eg, bottle caps and hair clippers). Recently, harnessing bistability and …

The design, manufacture and application of multistable mechanical metamaterials-a state-of-the-art review

R Xu, C Chen, J Sun, Y He, X Li, MH Lu… - International Journal of …, 2023 - iopscience.iop.org
Multistable mechanical metamaterials are a type of mechanical metamaterials with special
features, such as reusability, energy storage and absorption capabilities, rapid deformation …

Mechanics of dielectric elastomer structures: A review

T Lu, C Ma, T Wang - Extreme Mechanics Letters, 2020 - Elsevier
In the past decade, the development of theory has deeply revealed the electromechanical
coupling deformation mechanism of dielectric elastomer (DE). Many theoretical predictions …

[HTML][HTML] Effect of viscoelasticity on the nonlinear dynamic behavior of dielectric elastomer minimum energy structures

A Khurana, A Kumar, SK Raut, AK Sharma… - International Journal of …, 2021 - Elsevier
Dielectric elastomer minimum energy structure (DEMES) formed by clinging a pre-stretched
dielectric elastomer (DE) membrane to the compliant frame possess both material and …

Dielectric elastomer fingers for versatile grasping and nimble pinching

GK Lau, KR Heng, AS Ahmed, M Shrestha - Applied Physics Letters, 2017 - pubs.aip.org
Boneless soft robotic fingers cannot apply concentrated forces to pinch a delicate object.
This letter reports a three-dimensional design of dielectric elastomer fingers with higher …

Nonlinear oscillations of electrically driven aniso-visco-hyperelastic dielectric elastomer minimum energy structures

A Khurana, AK Sharma, MM Joglekar - Nonlinear Dynamics, 2021 - Springer
In view of their unique shape morphing behaviour, dielectric elastomer-based minimum
energy structures (DEMES) have received an increasing attention in the technology of …

[HTML][HTML] Soft composite hinge actuator and application to compliant robotic gripper

W Wang, H Rodrigue, HI Kim, MW Han… - Composites Part B …, 2016 - Elsevier
This work introduces the design of a smart soft composite (SSC) hinge actuator capable of a
pure bending motion concentrated on specific sections of the actuator. This actuator makes …

Stimulus-active polymer actuators for next-generation microfluidic devices

W Hilber - Applied Physics A, 2016 - Springer
Microfluidic devices have not yet evolved into commercial off-the-shelf products. Although
highly integrated microfluidic structures, also known as lab-on-a-chip (LOC) and micrototal …

Zero‐Power Shape Retention in Soft Pneumatic Actuators with Extensional and Bending Multistability

S Rahman, L Wu, A El Elmi… - Advanced Functional …, 2023 - Wiley Online Library
Power‐free shape retention enables soft pneumatic robots to reduce energy cost and avoid
unexpected collapse due to burst or puncture. Existing strategies for pneumatic actuation …

An energy-based model of dielectric elastomer minimum energy structures with stiffeners: Equilibrium configuration and the electromechanical response

A Khurana, AK Patra, MM Joglekar - Mechanics of Advanced …, 2023 - Taylor & Francis
Abstract The Dielectric Elastomer-based Minimum Energy Structures (DEMES) pertain to an
equilibrium configuration attained by the assembly of a pre-stretched electroactive polymer …