Results 41 to 50 of about 7,096 (163)
Parameter Identification of Model for Piezoelectric Actuators
Micromachines, 2023 Piezoelectric actuators are widely used in high-precision positioning systems. The nonlinear characteristics of piezoelectric actuators, such as multi-valued mapping and frequency-dependent hysteresis, severely limit the advancement of the positioning system’s accuracy.
Dongmei Liu +4 more
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Modeling and Measurement of Noise in Aluminium Nitride Piezoelectric MEMS
Advanced Electronic MaterialsThis study presents a comprehensive investigation into the noise behavior of piezoelectric MEMS devices using a combined experimental and modeling‐based approach. A detailed analysis is performed to decompose the total noise into its constituent sources,
Sina Zare Pakzad +8 more
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IEEE Access, 2019 A piezoelectric inertial actuator for magnetorheological fluid (MRF) control using permanent magnet is proposed in this paper. The stable linear motion of the actuator with high controllability is obtained by integrating the piezoelectric vibrator and ...
Renming Wang +5 more
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Finite element modeling of a piezoelectric actuator coupled to the cochlear round window
Current Directions in Biomedical EngineeringRound window (RW) stimulation is an application of active middle ear implants. However, its clinical outcomes show a substantial degree of variability due to the mismatch of the diameter of the actuator and the RW membrane, and the surgically challenging
Liu Houguang +4 more
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CrystalsThe presented article is about the axisymmetric deformation of an annular one-dimensional hexagonal piezoelectric quasicrystal actuator/sensor with different configurations, analyzed by the three-dimensional theory of piezoelectricity coupled with phonon
Yang Li, Yang Gao
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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
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Results in Physics, 2021 In this paper, an innovative three-dimensional braiding piezoelectric composite actuator (3D-BPCA) is proposed. Based on the 3D braiding technology, the geometric model and representative volume unit (RVU) model of the 3D-BPCA are established.
Xiaoqing Sun +3 more
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A Double-Acting Piezoelectric Actuator for Helicopter Active Rotor
Actuators, 2021 An active rotor with trailing-edge flaps is an effective approach to alleviate vibrations and noise in helicopters. In this study, a compact piezoelectric actuator is proposed to drive trailing-edge flaps.
Jinlong Zhou, Linghua Dong, Weidong Yang
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Advances in Mechanical Engineering, 2014 In this paper, a novel thin-disc piezoelectric actuator, 4-9-9-14 piezoelectric actuator, is used to construct and drive the micro/nanometer level biaxial piezoelectric actuated stage.
Shann-Chyi Mou
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Applied SciencesThis paper presents an experimental analysis of a high-response piezoelectric actuator system for the modular design of hydraulic digital fluid control units.
Marko Šimic, Niko Herakovič
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