Results 61 to 70 of about 40,800 (298)

Finite element modeling of a piezoelectric actuator coupled to the cochlear round window

Current Directions in Biomedical Engineering
Round window (RW) stimulation is an application of active middle ear implants. However, its clinical outcomes show a substantial degree of variability due to the mismatch of the diameter of the actuator and the RW membrane, and the surgically challenging
Liu Houguang, Kou Yinxin, Wang Jie, Lenarz Thomas, Maier Hannes   +4 more
doaj   +1 more source

Three-Dimensional Axisymmetric Analysis of Annular One-Dimensional Hexagonal Piezoelectric Quasicrystal Actuator/Sensor with Different Configurations

Crystals
The presented article is about the axisymmetric deformation of an annular one-dimensional hexagonal piezoelectric quasicrystal actuator/sensor with different configurations, analyzed by the three-dimensional theory of piezoelectricity coupled with phonon
Yang Li, Yang Gao
doaj   +1 more source

Numerical simulation of electromechanical coupling properties of three-dimensional braiding piezoelectric composite actuator

Results in Physics, 2021
In this paper, an innovative three-dimensional braiding piezoelectric composite actuator (3D-BPCA) is proposed. Based on the 3D braiding technology, the geometric model and representative volume unit (RVU) model of the 3D-BPCA are established.
Xiaoqing Sun, Jinwei Qiao, Gaofeng Wei, Hui Zhang   +3 more
doaj   +1 more source

Flexible Dielectric Acoustic Resonator Patch for Tissue Regeneration

Advanced Materials, EarlyView.
A flexible dielectric acoustic resonator patch enables MHz‐range ultrasound generation through resonance amplification without using piezoelectric materials. Conformal integration on a curved substrate allows efficient acoustic delivery to tissue‐mimicking environments.
Donyoung Kang, Byeongseok Ryu, Sujeong Ahn, Junhyub Kim, Myeonghun Jang, Jeong Ho Cho, Won‐Gun Koh, Hyungsuk Lee   +7 more
wiley   +1 more source

A Double-Acting Piezoelectric Actuator for Helicopter Active Rotor

Actuators, 2021
An active rotor with trailing-edge flaps is an effective approach to alleviate vibrations and noise in helicopters. In this study, a compact piezoelectric actuator is proposed to drive trailing-edge flaps.
Jinlong Zhou, Linghua Dong, Weidong Yang
doaj   +1 more source

Bionic Type Piezoelectric Actuators

, 2022
Piezoelectric actuators have been applied in many research and industrial fields. However, how to improve the working performance of piezoelectric actuators is still a hot issue. Up to now, many new motion principles have been developed for new piezoelectric actuators.
Shupeng, Wang,, Jianping, Li,
openaire   +2 more sources

Localized Temperature Monitoring in Mouse Brain during Light Delivery via a Non‐Planar Tapered Fiber‐Integrated µRTD Sensor

Advanced Materials, EarlyView.
We report a multifunctional tapered optical fiber integrating a conformal micro‐resistance temperature detector (µRTD) for local, real‐time thermometry during optical stimulation. The platform combines light‐delivery and temperature sensing within a minimally invasive footprint, enabling detection of sub‐degree cortical heating under representative ...
Antonio Balena, Marco Bianco, Barbara Spagnolo, Muhammad Fayyaz Kashif, Alberto Bramati, Massimo De Vittorio, Ferruccio Pisanello   +6 more
wiley   +1 more source

Structure Design and Stepping Characteristics Analysis of the Biaxial Piezoelectric Actuated Stage Using a Thin-Disc Piezoelectric Actuator

Advances in Mechanical Engineering, 2014
In this paper, a novel thin-disc piezoelectric actuator, 4-9-9-14 piezoelectric actuator, is used to construct and drive the micro/nanometer level biaxial piezoelectric actuated stage.
Shann-Chyi Mou
doaj   +1 more source

Design and Experimental Research of a Rotary Micro-Actuator Based on a Shearing Piezoelectric Stack

Micromachines, 2019
The working principle of a rotating micro-actuator based on a piezoelectric stack was theoretically analyzed and experimentally verified. The actuator is compact in structure, and the key component is the shearing piezoelectric stack.
Hehe Huang, Longfei Wang, Ying Wu
doaj   +1 more source

Pathway to the PiezoElectronic Transduction Logic Device

, 2015
The information age challenges computer technology to process an exponentially increasing computational load on a limited energy budget - a requirement that demands an exponential reduction in energy per operation.
Armstrong, C., Bryce, B. A., Copel, M., Elmegreen, B. G., Gordon, M. S., Haensch, W., Hung, L. -W., Keech, R., Kuroda, M. A., Liu, X. -H., Martyna, G. J, Miyazoe, H., Newns, D. M., Reuter, K. B., Rossnagel, S. M., Schrott, A. G., Shaw, T. M., Shett, S., Solomon, P. M., Theis, T. N., Trolier-McKinstry, S.   +20 more
core   +2 more sources