Results 51 to 60 of about 66,158 (295)

Novel Design and Modeling of a Soft Pneumatic Actuator Based on Antagonism Mechanism

open access: yesActuators, 2020
The soft actuator possesses the characteristics of flexibility, environmental adaptability, and human–machine interaction. Firstly, aiming to resolve the limitation of variable stiffness performance of a traditional pneumatic artificial muscle (PAM ...
Yinglong Chen   +2 more
doaj   +1 more source

Monolithic shape-programmable dielectric liquid crystal elastomer actuators

open access: yes, 2019
Macroscale robotic systems have demonstrated great capabilities of high speed, precise, and agile functions. However, the ability of soft robots to perform complex tasks, especially in centimeter and millimeter scale, remains limited due to the ...
Aghakhani, Amirreza   +7 more
core   +1 more source

Shape Memory Alloy (SMA) Actuator With Embedded Liquid Metal Curvature Sensor for Closed-Loop Control

open access: yesFrontiers in Robotics and AI, 2021
We introduce a soft robot actuator composed of a pre-stressed elastomer film embedded with shape memory alloy (SMA) and a liquid metal (LM) curvature sensor. SMA-based actuators are commonly used as electrically-powered limbs to enable walking, crawling,
Zhijian Ren   +5 more
doaj   +1 more source

Leveraging Elastic instabilities for Amplified Performance: spine-inspired high-speed and high-force soft robots

open access: yes, 2020
Soft machines typically exhibit slow locomotion speed and low manipulation strength because of intrinsic limitations of soft materials. Here, we present a generic design principle that harnesses mechanical instability for a variety of spine-inspired fast
Chi, Y   +9 more
core   +1 more source

Programmable and Variable‐Stiffness Robotic Skins for Pneumatic Actuation

open access: yesAdvanced Intelligent Systems, 2023
Pneumatic soft actuators possess relatively fast response, inherent high flexibility, and achieve extraordinary shape morphing under large deformations.
Weinan Gao   +8 more
doaj   +1 more source

Dual sensing-actuation artificial muscle based on polypyrrole-carbon nanotube composite [PDF]

open access: yes, 2017
Dual sensing artificial muscles based on conducting polymer are faradaic motors driven by electrochemical reactions, which announce the development of proprioceptive devices. The applicability of different composites has been investigated with the aim to
Fernández Otero, Toribio   +2 more
core   +2 more sources

Vine Robots: Design, Teleoperation, and Deployment for Navigation and Exploration

open access: yes, 2020
A new class of continuum robots has recently been explored, characterized by tip extension, significant length change, and directional control. Here, we call this class of robots "vine robots," due to their similar behavior to plants with the growth ...
Blumenschein, Laura H.   +9 more
core   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

Soft Controllable Carbon Fibre-based Piezoresistive Self-Sensing Actuators

open access: yesActuators, 2020
Soft robots and devices exploit deformable materials that are capable of changes in shape to allow conformable physical contact for controlled manipulation. While the use of embedded sensors in soft actuation systems is gaining increasing interest, there
Min Pan   +6 more
doaj   +1 more source

Self-Sensing Control for Soft-Material Actuators Based on Dielectric Elastomers [PDF]

open access: yes, 2019
Due to their energy density and softness that are comparable to human muscles dielectric elastomer (DE) transducers are well-suited for soft-robotic applications. This kind of transducer combines actuator and sensor functionality within one transducer so
Hoffstadt, Thorben, Maas, Jürgen
core   +1 more source

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