Results 31 to 40 of about 40,800 (298)

Effects of Strain Node on the Actuation Performance of Multilayer Cantilevered Piezoactuator with Segmented Electrodes

Shock and Vibration, 2022
A model of a segmented electrode multilayer cantilever piezoelectric actuator was established to predict its actuation performance, and then, theoretical and numerical analyses of the strain nodes were performed based on normalized deflection and strain ...
Quan Bai, Xuejun Zheng
doaj   +1 more source

Stress optimization in DC magnetron sputtered AlN layers for fully clamped bistable piezoelectric plate devices

Micro and Nano Engineering
In this paper, we demonstrate the fabrication and characterization of bistable piezoelectric plates with a precisely tuned residual stress to achieve buckling-induced bistability.
Shareena Muringakodan, Sina Zare Pakzad, Ulrich Schmid, Michael Schneider   +3 more
doaj   +1 more source

Development of X-Y Servo Pneumatic-Piezoelectric Hybrid Actuators for Position Control with High Response, Large Stroke and Nanometer Accuracy

Sensors, 2010
This study aims to develop a X-Y dual-axial intelligent servo pneumatic-piezoelectric hybrid actuator for position control with high response, large stroke (250 mm, 200 mm) and nanometer accuracy (20 nm).
Mao-Hsiung Chiang
doaj   +1 more source

Simple piezoelectric-actuated mirror with 180 kHz servo bandwidth

, 2010
We present a high bandwidth piezoelectric-actuated mirror for length stabilization of an optical cavity. The actuator displays a transfer function with a flat amplitude response and greater than 135$^\circ$ phase margin up to 200 kHz, allowing a 180 kHz ...
Abramovici, Alnis, Arman Cingöz, Boyd, Coddington, Cundiff, Debs, Drever, Dylan C. Yost, Foreman, Hall, Jitschin, Jun Ye, Lopez, Ludlow, Musha, Nazarova, Notcutt, Salomon, Schibli, Terra, Thomas R. Schibli, Thorpe, Travis C. Briles, Udem, Williams, Young   +26 more
core   +1 more source

Parameters Identification for a Composite Piezoelectric Actuator Dynamics [PDF]

, 2015
This work presents an approach for identifying the model of a composite piezoelectric (PZT) bimorph actuator dynamics, with the objective of creating a robust model that can be used under various operating conditions.
Saadeh, Mohammad, Trabia, Mohamed
core   +3 more sources

Design and Fabrication of the Large Thrust Force Piezoelectric Actuator

Advances in Materials Science and Engineering, 2013
This paper presents a novel piezoelectric actuator containing double pushers. By using finite element analysis software, this study simulated the vibration mode and amplitude of piezoelectric actuators.
Shyang-Jye Chang, Jing Chen
doaj   +1 more source

Design and Locomotion Study of Two-DOF Actuator Driven by Piezoelectric–Electromagnetic Hybrid Mode

Sensors, 2022
A piezoelectric actuator (PEA) has the characteristics of high control precision and no electromagnetic interference. To improve the degree of freedom (DOF) to adapt to more working scenes, a piezoelectric–electromagnetic hybrid-driven two-DOF actuator ...
Zheng Li, Zhirong Su, Haibo Wang, Shenhui Du, Hexu Sun   +4 more
doaj   +1 more source

Hydrodynamic Tweezers: Trapping and Transportation in Microscale Using Vortex Induced by Oscillation of a Single Piezoelectric Actuator

Sensors, 2018
The demand for a harmless noncontact trapping and transportation method in manipulation and measurement of biological micro objects waits to be met.
Xiaoming Liu, Qing Shi, Yuqing Lin, Masaru Kojima, Yasushi Mae, Qiang Huang, Toshio Fukuda, Tatsuo Arai   +7 more
doaj   +1 more source

Modeling piezoelectric actuators

IEEE/ASME Transactions on Mechatronics, 2000
The piezoelectric actuator (PEA) is a well-known device for managing extremely small displacements in the range from 10 pm to 100 /spl mu/m. When developing a control system for a piezo-actuated positioning mechanism, the actuator dynamics have to be taken into account.
Adriaens, H.J.M.T.S. (author), de Koning, W.L. (author), Banning, R. (author)   +2 more
openaire   +3 more sources

Construction of a Fish-like Robot Based on High Performance Graphene/PVDF Bimorph Actuation Materials. [PDF]

, 2016
Smart actuators have many potential applications in various areas, so the development of novel actuation materials, with facile fabricating methods and excellent performances, are still urgent needs.
Chang, Huicong, Chen, Yongsheng, Huang, Yi, Xiao, Peishuang, Yang, Yang, Yi, Ningbo, Zhang, Tengfei, Zhou, Ying   +7 more
core   +1 more source