Results 11 to 20 of about 7,662 (250)

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

open access: yesMicromachines, 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   +3 more sources

Modeling piezoelectric stack actuators for control of micromanipulation [PDF]

open access: yesIEEE Control Systems, 1997
A nonlinear lumped-parameter model of a piezoelectric stack actuator has been developed to describe actuator behavior for purposes of control system analysis and design, and, in particular, for microrobotic applications requiring accurate position and/or force control.
openaire   +3 more sources

Dynamic Analytical Solution of a Piezoelectric Stack Utilized in an Actuator and a Generator

open access: yesApplied Sciences, 2018
This paper presents the dynamic analytical solution of a piezoelectric stack utilized in an actuator and a generator based on the linear piezo-elasticity theory.
Xinnan Liu, Jianjun Wang, Weijie Li
doaj   +3 more sources

Model and Design of a Power Driver for Piezoelectric Stack Actuators [PDF]

open access: yes, 2010
A power driver has been developed to control piezoelectric stack actuators used in automotive application. A FEM model of the actuator has been implemented starting from experimental characterization of the stack and mechanical and piezoelectric ...
Botto, Gianluca   +3 more
core   +4 more sources

Bidirectional Active Piezoelectric Actuator Based on Optimized Bridge-Type Amplifier

open access: yesMicromachines, 2021
Piezoelectric actuators based on bridge displacement amplifying mechanisms are widely used in precision driving and positioning fields. The classical bridge mechanism relies on structural flexibility to realize the return stroke, which leads to the low ...
Weiqing Huang   +3 more
doaj   +1 more source

Modelling and Study of the Effect of Geometrical Parameters of Piezoelectric Plate and Stack

open access: yesApplied Sciences, 2021
The piezoelectric stack is employed as an actuator and a sensor in a variety of technical applications. The dynamic modelling of piezoelectric plates and stack is used to investigate and search for new applications in mechatronics systems that are based ...
Tolera G. Degefa   +2 more
doaj   +1 more source

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

open access: yesSensors, 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   +4 more
doaj   +1 more source

An Inchworm and Stick-Slip Dual Mode Piezoelectric Linear Actuator for Cell Injection

open access: yesIEEE Access, 2023
Cell injection system for biomedical engineering demands that actuators have large stroke, high resolution and speed for cell positioning and injection. Single mode piezoelectric actuators could meet some of these requirements but hardly all.
Jijie Ma   +6 more
doaj   +1 more source

A novel spherical ultrasonic motor with wire stators and measuring torque and preload via a new method

open access: yesScientific Reports, 2023
The present study introduces a multi-degree-of-freedom (MDOF) ultrasonic motor, which is capable of driving a spherical rotor using spiral wire stators and a piezoelectric stack actuator. Wire stators and piezoelectric stack actuators enable the proposed
Seyed Hassan Jahantab   +3 more
doaj   +1 more source

Bidirectional Drive with Inhibited Hysteresis for Piezoelectric Actuators

open access: yesSensors, 2022
Piezoelectric actuators with a flexible displacement amplification structure are widely used in the fields of precision driving and positioning. The displacement curve of conventional piezoelectric actuators is asymmetrical and non-linear, which leads to
Weiqing Huang   +4 more
doaj   +1 more source

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