Results 51 to 60 of about 21,803 (297)

Bioinspired Shape‐Memory Hook Fasteners With Programmable Interlocking and Silent Release

open access: yesAdvanced Engineering Materials, EarlyView.
Bioinspired hook fasteners made from epoxy shape‐memory polymers are shown to switch between strong, secure attachment and gentle, silent release when heated. By combining programmable geometry and material response, these adaptive fasteners outperform commercial systems in strength and noise control, enabling new solutions for robotics, medical ...
Maria I. Vallejo Ciro   +3 more
wiley   +1 more source

Actuation Behavior of Hydraulically Amplified Self-Healing Electrostatic (HASEL) Actuator via Dimensional Analysis

open access: yesActuators, 2023
Electroactive polymer (EAP) actuators are an example of a novel soft material device that can be used for several applications including artificial muscles and lenses.
Alexandrea Washington   +2 more
doaj   +1 more source

Surface micromachined mechanisms and micromotors [PDF]

open access: yes, 1991
Electric micromotors are sub-millimeter sized actuators capable of unrestrained motion in at least one degree of freedom. Polysilicon surface micromachining using heavily phosphorus-doped LPCVD polysilicon for the structural material, LPCVD silicon ...
Mehregany, Mehran, Tai, Yu-Chong
core   +1 more source

Molecular Dynamics Studies of Shape Memory Polymers: From Bead–Spring Models to Atomistic Simulations

open access: yesAdvanced Engineering Materials, EarlyView.
Coarse‐grained (left) and atomistic (right) models of the shape memory polymer ESTANE ETE 75DT3 are shown schematically. The two representations bridge molecular detail and mesoscopic description. Both models capture shape memory behavior, linking segmental mobility and conformational relaxation of anisotropic chains to macroscopic recovery, and ...
Fathollah Varnik
wiley   +1 more source

Scalable High‐Force Zipping Electrostatic Actuators

open access: yesAdvanced Intelligent Systems
Electrostatic actuators are well suited for integration in soft and wearable robotics due to their speed, energy efficiency, self‐sensing, and direct electrical drive.
Fabio Caruso   +2 more
doaj   +1 more source

Design and fabrication of the trapezoidal electrostatic comb-drive actuator

open access: yesVietnam Journal of Mechanics, 2012
This paper reports the design, fabrication and characterization process of the trapezoidal Electrostatic Comb-drive Actuator (ECA) with the slope angle α=20.
Pham Hong Phuc   +4 more
doaj   +1 more source

Printed Integrated Logic Circuits Based on Chitosan‐Gated Organic Transistors for Future Edible Systems

open access: yesAdvanced Functional Materials, EarlyView.
Edible electronics needs integrated logic circuits for computation and control. This work presents a potentially edible printed chitosan‐gated transistor with a design optimized for integration in circuits. Its implementation in integrated logic gates and circuits operating at low voltage (0.7 V) is demonstrated, as well as the compatibility with an ...
Giulia Coco   +8 more
wiley   +1 more source

Earthworm‐Inspired Multi‐Material, Adaptive Strain‐Limiting, Hybrid Actuators for Soft Robots

open access: yesAdvanced Intelligent Systems, 2023
This research presents a new class of versatile multi‐material hybrid actuators (MASH actuators), powered by pneumatics and electrostatic adhesion (EA)‐based adaptive strain‐limiting layers.
Quan Xiong   +4 more
doaj   +1 more source

Design and Implementation of Position Estimator Algorithm on Voice Coil Motor [PDF]

open access: yes, 2018
Voice Coil Motors (VCMs) have been an inevitable element in the mechanisms that have been used for precise positioning in the applications like 3D printing., micro-stereolithography., etc.
Deshmukh, Suhas P.   +4 more
core   +1 more source

Photoswitching Conduction in Framework Materials

open access: yesAdvanced Functional Materials, EarlyView.
This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez   +4 more
wiley   +1 more source

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