Results 41 to 50 of about 21,803 (297)

Fabrication of comb-drive actuators for straining nanostructured suspended graphene

open access: yes, 2018
We report on the fabrication and characterization of an optimized comb-drive actuator design for strain-dependent transport measurements on suspended graphene.
Buca, D.   +6 more
core   +1 more source

Towards a precision measurement of the Casimir force in a cylinder-plane geometry [PDF]

open access: yes, 2005
We report on a proposal aimed at measuring the Casimir force in a cylinder-plane configuration. The Casimir force is evaluated including corrections due to finite parallelism, conductivity, and temperature.
B. V. Derjaguin   +20 more
core   +3 more sources

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

Flexible Vibrotactile Actuator Based on Dielectric Elastomer for Smart Handheld Devices

open access: yesApplied Sciences, 2021
This paper presents an electroactive and soft vibrotactile actuator based on a dielectric elastomer. The vibrotactile actuator is composed of an upper layer, an adhesive tape layer, a dielectric layer with bumps, and a lower layer.
Yong Hae Heo   +3 more
doaj   +1 more source

Flexible parylene actuator for micro adaptive flow control [PDF]

open access: yes, 2001
This paper describes the first flexible parylene electrostatic actuator valves intended for micro adaptive flow control for the future use on the wings of micro-air-vehicle (MAV).
Ho, C. M.   +3 more
core  

Additive Manufacturing of Continuous Fibre Reinforced Composites: Process, Characterisation, Modelling, and Sustainability

open access: yesAdvanced Engineering Materials, EarlyView.
Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley   +1 more source

Closed-Loop Control of Electro-Ribbon Actuators

open access: yesFrontiers in Robotics and AI, 2020
Electro-ribbon actuators are lightweight, flexible, high-performance actuators for next generation soft robotics. When electrically charged, electrostatic forces cause the electrode ribbons to progressively zip together through a process called ...
Richard Suphapol Diteesawat   +9 more
doaj   +1 more source

Cellular shape micromachined actuator ribbons

open access: yesMicrosystems & Nanoengineering, 2022
This work presents a new class of micromachined electrostatic actuators capable of producing output force and displacement unprecedented for MEMS electrostatic actuators. The actuators feature submicron high aspect ratio transduction gaps lined up in two-
Amin Abbasalipour   +4 more
doaj   +1 more source

Mems device with large out-of-plane actuation and low-resistance interconnect and methods of use [PDF]

open access: yes, 2017
Source: United States Patent and Trademark Office, www.uspto.gov”The present application is directed to a MEMS device. The MEMS device includes a substrate having a first end and a second end extending along a longitudinal axis, the Substrate including ...
Beacken, Marc Jay   +5 more
core  

Casimir forces on a silicon micromechanical chip

open access: yes, 2012
Quantum fluctuations give rise to van der Waals and Casimir forces that dominate the interaction between electrically neutral objects at sub-micron separations.
A Lambrecht   +30 more
core   +1 more source

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