Nonlinear control design of piezoelectric actuators with micro positioning capability
Sign Up to like & getrecommendations! Published in 2019 at "Microsystem Technologies"
DOI: 10.1007/s00542-019-04437-9
Abstract: Inherently, piezoelectric actuator is one of the devices equipped with the micrometer positioning capability and characterized by small size, fast response, high stiffness, and large blocking force. These advantages give piezoelectric actuator the possibility of… read more here.
Keywords: control; control design; positioning capability; design piezoelectric ... See more keywords
Dielectric relaxation, impedance spectra, piezoelectric properties of (Ba, Ca)(Ti, Sn)O3 ceramics and their multilayer piezoelectric actuators
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.02.237
Abstract: Abstract In this study, an improved method was developed for the preparation of lead-free (Ba1−xCax)(Ti0.91Sn0.09)O3 (BCTS) (0.02 ≤ x ≤ 0.07) ceramics by combining the conventional solid-state reaction with a gel precursor mixing method. The effects of Ca content… read more here.
Keywords: multilayer piezoelectric; properties ceramics; dielectric relaxation; piezoelectric actuators ... See more keywords
Influence of ferroelectric domain texture on the performance of multilayer piezoelectric actuators
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2016.12.029
Abstract: Abstract Lead zirconate titanate (PZT)-based multilayer piezoelectric actuators (MAs) present a maximum in their piezoelectric properties when pre-stressed with a low mechanical load (ca. 50 MPa) along the longitudinal axis of the actuator. In this work,… read more here.
Keywords: multilayer piezoelectric; influence ferroelectric; piezoelectric actuators; performance ... See more keywords
A novel method to fully suppress single and bi-modal excitations due to the support vibration by means of piezoelectric actuators
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2021.116260
Abstract: Abstract Vibration attenuation and control is a typical topic in mechanical, civil and aeronautical engineering. In recent years, there has been extensive research on smart materials and among all of them, the piezoelectrics seem to… read more here.
Keywords: single modal; novel method; modal excitations; vibration ... See more keywords
Memory related predictive compensation control of Piezoelectric actuators based on global linearization Koopman theory.
Sign Up to like & getrecommendations! Published in 2022 at "Ultrasonics"
DOI: 10.1016/j.ultras.2022.106727
Abstract: Piezoelectric actuators (PEAs) are widely applied in precision positioning. However, the nonlinear characteristics such as hysteresis and creep limit the ultra-precision applications. This paper proposes a linear model predictive control (MPC) scheme for compensating the… read more here.
Keywords: memory related; piezoelectric actuators; koopman theory; global linearization ... See more keywords
Investigation of oscillations of piezoelectric actuators with multi-directional polarization
Sign Up to like & getrecommendations! Published in 2018 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2017.06.036
Abstract: Abstract Oscillations of two beam type piezoelectric actuators with non-homogeneous polarization are investigated. 3DOF oscillations of the contact point are excited applying harmonic signal on the electrodes of the actuators. Elliptical motion of the contact… read more here.
Keywords: contact point; investigation; polarization; piezoelectric actuators ... See more keywords
Fuzzy control of milling chatter with piezoelectric actuators embedded to the tool holder
Sign Up to like & getrecommendations! Published in 2021 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2020.107190
Abstract: Abstract Chatter is a typical kind of self-excited vibration occurred in the machining process. It not only results in inferior workpiece, but also shorts the life of the tool. It has become one of the… read more here.
Keywords: tool holder; control; chatter; piezoelectric actuators ... See more keywords
Best pattern for placement of piezoelectric actuators in classical plate to reduce stress concentration using PSO algorithm
Sign Up to like & getrecommendations! Published in 2020 at "Mechanics of Advanced Materials and Structures"
DOI: 10.1080/15376494.2018.1472332
Abstract: ABSTRACT The purpose of this article is using piezoelectric actuators to reduce stress concentration factor in classic plates under tensile force. There are three classic plates in this study including plates with hole, notched plates,… read more here.
Keywords: piezoelectric actuators; stress concentration; placement; stress ... See more keywords
Hybrid hysteresis modeling and inverse model compensation of piezoelectric actuators
Sign Up to like & getrecommendations! Published in 2019 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/ab49d7
Abstract: Piezoelectric actuators have shown great application potential in active vibration suppression and noise reduction. However, the nonlinear hysteresis effect in piezoelectric materials often compromises the control efficiency in practical application. This paper aims at presenting… read more here.
Keywords: inverse model; compensation; hysteresis; piezoelectric actuators ... See more keywords
Quasi-Rayleigh model for modeling hysteresis of piezoelectric actuators
Sign Up to like & getrecommendations! Published in 2020 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/ab874b
Abstract: Piezoelectric actuators (PEAs) have been widely used in nano-positioning applications for their high resolution of displacement. However, hysteresis, which is an inherent property of ferroelectric PEAs has been shown to significantly degrade the system performance… read more here.
Keywords: hysteresis; piezoelectric actuators; rayleigh model; model ... See more keywords
A Charge Controller for Synchronous Linear Operation of Multiple Piezoelectric Actuators
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2927411
Abstract: The charge controller can greatly improve the hysteresis of the piezoceramic without the sensor. It is widely used in open-loop controlled nano-positioning systems. However, conventional charge controllers are not suitable for synchronous high linear operation… read more here.
Keywords: linear operation; charge controller; operation multiple; charge ... See more keywords