Results 1 to 10 of about 1,062 (175)

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.
Longfei Wang
exaly   +3 more sources

Active friction-regulated inertia impact piezoelectric actuator [PDF]

Heliyon
In inertia impact piezoelectric actuators, the phenomenon of high-frequency drive-induced back-stepping poses a significant limitation to their overall performance.
Zhipeng Jin, Xin Song, BaoShan Guo
doaj   +2 more sources

Study on Transient Contact-Impact Characteristics and Driving Capability of Piezoelectric Stack Actuator [PDF]

Sensors, 2019
The transient contact-impact mechanism and driving capability of the piezoelectric stack actuator is analyzed using both experimental and theoretical methods.
Yanze Li, Yunian Shen, Qiaoping Xing
doaj   +2 more sources

A Drive–Vibration Integrated Piezoelectric Actuator for Flexible Electrode Implantation [PDF]

Micromachines
In this paper, a drive–vibration integrated piezoelectric actuator (DVIPA) is proposed for vibration-assisted implantation of flexible electrodes.
Xinhui Li, Di Wu, Xiaohui Lin, Tianyu Jiang, Jijie Ma, Ya Li, Yili Hu, Yingting Wang, Hongbo Zhong, Xinyu Yang, Jianping Li, Jianming Wen   +11 more
doaj   +2 more sources

Computational Analysis of the Active Control of Incompressible Airfoil Flutter Vibration Using a Piezoelectric V-Stack Actuator

Vibration, 2021
The flutter phenomenon is a potentially destructive aeroelastic vibration studied for the design of aircraft structures as it limits the flight envelope of the aircraft.
Alberto Milazzo, Calogero Orlando, Orlando Calogero   +2 more
exaly   +3 more sources

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

Applied Sciences (Switzerland), 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.
Weijie Li, Jianjun Wang, Xinnan Liu
exaly   +3 more sources

Experimental Validation of Two Types of Force Actuators: A Performance Comparison [PDF]

Sensors
This paper experimentally investigates the performance of piezoelectric force actuators. Using the same encapsulated piezoelectric stack, an inertial-type actuator and a frame-type actuator are constructed for performance comparison.
Xishan Jiang, Ning Wang, Jing Zheng, Jie Pan   +3 more
doaj   +2 more sources

A Single-Clamp Inchworm Actuator with Two Piezoelectric Stacks [PDF]

Micromachines
Inchworm piezoelectric actuators have attracted much attention in the field of precision positioning due to the advantages of a large stroke, high output force, and high resolution.
Lu Liu, Zheyang Ji, Yue Zhang, Huan Chen, Weimin Lou, Ming Kong   +5 more
doaj   +2 more sources

Investigation on a Linear Piezoelectric Actuator Based on Stick-Slip/Scan Excitation

Actuators, 2021
To perform a high resolution and long stroke application in optical precision instruments, a linear piezoelectric actuator operated in stick-slip/scan modes for driving a linear motion table is presented.
Yunlai Shi, Chengshu Lou, Jun Zhang
doaj   +1 more source

Bidirectional Active Piezoelectric Actuator Based on Optimized Bridge-Type Amplifier

Micromachines, 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, Junkai Lian, Mingyang Chen, Dawei An   +3 more
doaj   +1 more source