Results 101 to 110 of about 419,438 (277)

Waveguide Photoactuators: Materials, Fabrication, and Applications

Advanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi, Hemin Pan, Yang Zong, Yongfeng Mei, Jizhai Cui   +4 more
wiley   +1 more source

Liquid Crystalline Elastomers in Soft Robotics: Assessing Promise and Limitations

Advanced Robotics Research, EarlyView.
Liquid crystalline elastomers (LCEs) are programmable soft materials that undergo large, anisotropic deformation in response to external stimuli. Their molecular alignment encodes directional actuation in a monolithic structure, making them long‐standing candidates for soft robotic systems.
Justin M. Speregen, Timothy J. White
wiley   +1 more source

Compliant Pneumatic Feet with Real‐Time Stiffness Adaptation for Humanoid Locomotion

Advanced Robotics Research, EarlyView.
A compliant pneumatic foot with real‐time variable stiffness enables humanoid robots to adapt to changing terrains. Using onboard vision and pressure control, the foot modulates stiffness within each gait cycle, reducing impact forces and improving balance. The design, cast in soft silicone with embedded air chambers and Kevlar wrapping, offers durable,
Irene Frizza, Hiroshi Kaminaga, Philippe Fraisse, Gentiane Venture   +3 more
wiley   +1 more source

Adaptive Varifocal Lenses Based on Dielectric Elastomer Actuator

Photonics
Optical imaging systems using varifocal lenses have been widely used in many applications over the past several decades, such as machine vision devices, consumer electronic products, and medical instruments.
Shibiao Li, Lin Liu, Haoyue Xing, Zhaohui Li, Yang Cheng   +4 more
doaj   +1 more source

A Soft Robotic Fish With a Dielectric Elastomer Actuator Body and Negative Stiffness Spine

Advanced Robotics Research, EarlyView.
This work introduces a bio‐mimetic soft robotic fish driven by fiber‐reinforced dielectric elastomer actuators integrated as its body. By prestretching this active skin against a flexible spine, a negative stiffness system is created, enabling large‐amplitude bending.
Markus Koenigsdorff, Simon Holzer, Stefania Konstantinidi, Yoan Civet, Yves Perriard   +4 more
wiley   +1 more source

Modeling dielectric elastomer actuators

, 2007
Dielectric elastomer actuators belong to the group of so called “electroactive polymers” and are used in active structures where large strains are required. Dielectric elastomers have many potential applications as actuators. Models and simulation techniques are required for the design and optimization of actuator applications in order to determine ...
Wissler, Michael Tobias, ETH Zürich, Mazza, E., Ermanni, P., Farshad, M., Kovacs, G.   +5 more
openaire   +3 more sources

Transparent dielectric elastomer actuator used as tunable optical grating [PDF]

In this work, a transparent dielectric elastomer actuator is integrated into a tunable transmission grating. A 13 micron-thick silicone membrane has been sandwiched between two 750 nanometer-thick transparent ionogel electrodes to fabricate a transparent
Shea, Herbert, Ji, Xiaobin, Rosset, Samuel   +2 more
core   +1 more source

Hybrid Continuum Robot Designs and Architectures for Healthcare Applications

Advanced Robotics Research, EarlyView.
Hybrid continuum robots represent an emerging class of flexible manipulators that blend materials, structures, and actuation concepts from the established fields of soft and continuum robotics. This review introduces an accessible framework to distinguish key hybridization approaches, surveys current designs aimed at complex clinical applications, and ...
Burak Ozdemir, Muhammad A. Khalid, Manish Chauhan, Pietro Valdastri, James H. Chandler   +4 more
wiley   +1 more source

Measuring and Modeling Actuation Response of Circular Dielectric Elastomer Actuator

Dielectric elastomer actuators are relatively new type of actuators that are developed using EAP and are promising due to it's attractive performance (large strain, good efficiency, high response speed, etc.). Further paper examines actuation response to
Krasņikovs, Andrejs, Kononova, Olga, Vītols, Renārs   +2 more
core  

Effects Of Pulsation Frequency On Trailing Edge Plasma Actuators For Flight Control [PDF]

, 2012
This thesis details the aerodynamic testing of a dielectric barrier discharge (DBD) plasma actuator operating over a separation step created at the trailing edge of a modified NACA 0012 aerofoil.
HAMLIN, FREDERICK,WILLIAM, Hamlin, Frederick William   +1 more
core