Results 11 to 20 of about 1,062 (175)
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
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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
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Nonlinear Stochastic Optimal Control Using Piezoelectric Stack Inertial Actuator
Shock and Vibration, 2020 An optimal control strategy for the random vibration reduction of nonlinear structures using piezoelectric stack inertial actuator is proposed. First, the dynamic model of the nonlinear structure considering the dynamics of a piezoelectric stack inertial
Q. F. Lü, X. F. Wang, K. Lu, R. H. Huan
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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
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Sensitivity of Piezoelectric Stack Actuators
Sensors, 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).
Xishan Jiang +3 more
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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
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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
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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
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Advanced Composites Letters, 2019 Piezoelectric stack actuators are a type of excellent smart devices that can activate large power and displacement outputs due to their unique stack configuration and have been widely used in linear vibrators for various engineering applications. For the
Jianjun Wang +4 more
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Vibration Attenuation by a Combination of a Piezoelectric Stack and a Permanent Magnet
Shock and Vibration, 2012 The present work proposes a non-contact vibration attenuator made up of a permanent magnet mounted on a piezoelectric stack. Two such actuators are made to work simultaneously in a 'twin-actuator' configuration.
A. Nandi +3 more
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