Results 51 to 60 of about 1,275 (184)

Flexible and stretchable electrodes for dielectric elastomer actuators [PDF]

open access: yes, 2018
Dielectric elastomer actuators (DEAs) are flexible lightweight actuators that can generate strains of over 100%. They are used in applications ranging from haptic feedback (mm-sized devices), to cm-scale soft robots, to meter-long blimps. DEAs consist of
Rosset, Samuel, Shea, Herbert
core  

Intrinsic tuning of poly (styrene-butadiene-styrene) (SBS) based self-healing dielectric elastomer actuators with enhanced electromechanical properties [PDF]

open access: yes, 2018
The electromechanical properties of a thermoplastic styrene-butadiene-styrene (SBS) dielectric elastomer was intrinsically tuned by chemical grafting with polar organic groups.
Bowen, Chris R.   +6 more
core   +2 more sources

Bonding of Acrylic Pressure‐Sensitive Adhesives and Silicone Elastomers via Surfactant‐Assisted Plasma Activation for Soft Robotics

open access: yesAdvanced Materials Interfaces, EarlyView.
A simple strategy is presented for bonding acrylic PSAs and silicone elastomers by curing surfactant‐doped Ecoflex on oxygen‐plasma‐treated VHB. The interface reaches a maximum strength of 1.6 N/mm (over 20 times that of the control) while retaining material compliance.
Kengo Kusama   +7 more
wiley   +1 more source

Dynamic Current Routing in Conductive Liquid Crystal Elastomers for Complex Deformation Actuators

open access: yesAdvanced Materials Technologies, EarlyView.
This work introduces a novel actuation control strategy in which electrical stimulation generates localized Joule heating in conductive liquid crystal elastomer (LCE) surfaces, enabling complex 3D deformations from a single homogeneous surface without preprogramming.
Gloria PouWai Lei   +2 more
wiley   +1 more source

Performance Study of Dielectric Elastomer Actuators with Varying Thickness of Carbon Nanotube Electrodes and Pre-stretch Ratios [PDF]

open access: yes한국정밀공학회지
This study examines how two key design parameters—the pre-stretch ratio and the thickness of the carbon nanotube (CNT) electrode—affect the actuation performance of dielectric elastomer actuators (DEAs).
Mingyu Kang   +4 more
doaj   +1 more source

Analyzing pericytes under mild traumatic brain injury using 3D cultures and dielectric elastomer actuators

open access: yesFrontiers in Neuroscience, 2022
Traumatic brain injury (TBI) is defined as brain damage due to an external force that negatively impacts brain function. Up to 90% of all TBI are considered in the mild severity range (mTBI) but there is still no therapeutic solution available. Therefore,
Yi-Han Wu   +11 more
doaj   +1 more source

Low Spring Index NiTi Coil Actuators for Use in Active Compression Garments [PDF]

open access: yes, 2014
This paper describes the modeling, development, and testing of low spring index nickel titanium (NiTi) coil actuators designed for use in wearable compression garments, and presents a prototype tourniquet system using these actuators. NiTi coil actuators
Holschuh, Bradley T.   +2 more
core   +1 more source

Elimination of Necking and Aspect Ratio Dependence in Uniaxial Actuators by Continuous Fiber Reinforcement

open access: yesAdvanced Robotics Research, EarlyView.
A novel carbon fiber reinforcement for dielectric elastomer actuators enhances actuation force while decoupling electromechanical performance from the actuator's aspect ratio. Unlike conventional fiber reinforcements, it enables a uniform planar stretch state along the entire actuator.
Markus Koenigsdorff   +8 more
wiley   +1 more source

Advances in artificial muscles: A brief literature and patent review

open access: yesFrontiers in Bioengineering and Biotechnology, 2023
Background: Artificial muscles are an active research area now.Methods: A bibliometric analysis was performed to evaluate the development of artificial muscles based on research papers and patents.
Yuan Jing   +4 more
doaj   +1 more source

Dynamic Modeling of Soft Robotic Dielectric Elastomer Actuator [PDF]

open access: yes, 2021
Dielectric elastomers actuators (DEAs) are among the preferred materials for developing lightweight, high compliance and energy efficient driven mechanisms for soft robots.
El Atrache Ceballos, Abdullah De Jesus
core   +1 more source

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