Results 11 to 20 of about 15,525 (308)

Sensitivity of Piezoelectric Stack Actuators

open access: yesSensors, 2023
This paper investigates the properties of a mass−attached piezoelectric stack actuator and analyzes its sensitivity, which is defined as the spectrum of the driving force (the output) caused by a single−frequency voltage (the input). The force spectrum is utilized because of the nonlinear hysteresis effect of the piezoelectric stack.
Xishan Jiang   +3 more
openaire   +3 more sources

Electromechanical Actuators for Haptic Feedback with Fingertip Contact

open access: yesActuators, 2023
Haptic technology that provides tactile sensation feedback by utilizing actuators to achieve the purpose of human–computer interaction is obtaining increasing applications in electronic devices.
Jueyu Chen, Edwin Hang Tong Teo, Kui Yao
doaj   +1 more source

Control of a multi-degree of freedom worktool for vibrations assisted forging [PDF]

open access: yes, 2014
This paper addresses the control of a tool developed to superimpose vibrations along several directions on a piece during forging. Piezoelectric actuators are used to provide the required forces and speeds.
AMBERG, Michel   +12 more
core   +1 more source

Reduction of the vibration in a helicopter blade using piezoelectric actuators

open access: yesAviation, 2006
A method to reduce vibration in a helicopter blade under a variable harmonic pressure loading using piezoelectric actuators is presented. The model of a helicopter blade is an equivalent aluminum plate. To decrease the amplitude in the resonant frequency
Sergejs Gluhihs, Andrejs Kovalovs
doaj   +1 more source

Recent Advances in the Control of Piezoelectric Actuators

open access: yesInternational Journal of Advanced Robotic Systems, 2014
The micro/nano positioning field has made great progress towards enabling the advance of micro/nano technology. Micro/nano positioning stages actuated by piezoelectric actuators are the key devices in micro/nano manipulation. The control of piezoelectric
Ziqiang Chi, Qingsong Xu
doaj   +1 more source

Rotordynamic Analysis of Piezoelectric Gas Foil Bearings with a Mechanical Preload Control Based on Structural Parameter Identifications

open access: yesApplied Sciences, 2021
This paper presents a rotordynamic analysis and experimental characterization of a novel concept of a controllable gas foil bearing (C-GFB) with piezoelectric (PZT) actuators.
Jisu Park, Donghee Kim, Kyuho Sim
doaj   +1 more source

Analysis of the energy harvesting performance of a piezoelectric bender outside its resonance [PDF]

open access: yes, 2014
When the frequency of the source of vibration of a piezolectric generator is significantly different from its eigenfrequency, the dielectric power losses become prominent and decrease the amount of power which is practically harvested.
AMBERG, Michel   +6 more
core   +1 more source

Development of Traveling Wave Actuators Using Waveguides of Different Geometrical Forms

open access: yesShock and Vibration, 2016
The paper covers the research and development of piezoelectric traveling wave actuators using different types of the waveguides. The introduced piezoelectric actuators can be characterized by specific areas of application, different resolution, and ...
Ramutis Bansevicius   +4 more
doaj   +1 more source

Coupled piezoelectric fans with two degree of freedom motion for the application of flapping wing micro aerial vehicles [PDF]

open access: yes, 2008
Piezoelectric fans consisting of a piezoelectric layer and an elastic metal layer were prepared by epoxy bonding and a coupled flexible wing was formed by a pair of carbon fibre reinforced plastic wing spars and polymer skin attached to two ...
Lal Kummari, K.   +5 more
core   +1 more source

Theoretical and experimental research on the influence of multiple piezoelectric effects on physical parameters of piezoelectric actuator

open access: yesAIP Advances, 2015
Compared with the traditional actuator of machinery and electricity, the piezoelectric actuator has the advantages of a compact structure, small volume, no mechanical friction, athermancy and no electromagnetic interference.
Liping Shi   +3 more
doaj   +1 more source

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