Results 11 to 20 of about 7,615 (258)
Model and Design of a Power Driver for Piezoelectric Stack Actuators [PDF]
, 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
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 +3 more
doaj +1 more source
Modelling and Study of the Effect of Geometrical Parameters of Piezoelectric Plate and Stack
Applied 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
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 +4 more
doaj +1 more source
An Inchworm and Stick-Slip Dual Mode Piezoelectric Linear Actuator for Cell Injection
IEEE 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
Scientific 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
Sensors, 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
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
IEEE Access, 2019 A bolt-clamped type piezoelectric actuator, which could output rotary motions by using longitudinal-torsional hybrid vibration, was proposed and tested in this paper.
Deen Bai +3 more
doaj +1 more source
Development of a micromanipulation system with force sensing [PDF]
, 2007 This article provides in-depth knowledge about our undergoing effort to develop an open architecture micromanipulation system with force sensing capabilities.
Khan, Shahzad +6 more
core +2 more sources