Review of ultrasonic vibration-assisted machining in advanced materials

Z Yang, L Zhu, G Zhang, C Ni, B Lin - International Journal of Machine …, 2020 - Elsevier
Compared to conventional machining (CM), ultrasonic vibration-assisted machining (UVAM)
with high-frequency and small-amplitude has exhibited good cutting performances for …

Piezoelectric transformers: An historical review

A Vazquez Carazo - Actuators, 2016 - mdpi.com
Piezoelectric transformers (PTs) are solid-state devices that transform electrical energy into
electrical energy by means of a mechanical vibration. These devices are manufactured …

A critical review of piezoelectric ultrasonic transducers for ultrasonic-assisted precision machining

P Du, W Chen, J Deng, S Zhang, J Zhang, Y Liu - Ultrasonics, 2023 - Elsevier
Piezoelectric ultrasonic-assisted precision machining (PUAPM) technology is considered to
be an efficient and environmentally friendly machining strategy by virtue of cutting force …

Fast and precise control for the vibration amplitude of an ultrasonic transducer based on fuzzy PID control

P Du, Y Liu, W Chen, S Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This work presents a novel constant frequency ultrasonicamplitude control (CFUAC) method
based on fuzzy proportional-integral-derivative (FPID) and amplitude direct feedback. The …

Characterization of a compact, low-cost atmospheric-pressure plasma jet driven by a piezoelectric transformer

MJ Johnson, DR Boris, TB Petrova… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
To realize the broadest potential of nonthermal atmospheric-pressure plasma (APP)
technology, there is a need to develop low-cost, compact devices that can be used for …

A 2D Ultrasonic-Assisted Turning Tool With Function of In Situ Vibration Amplitude Self-Sensing

P Du, Y Liu, W Chen, W Hu, J Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The attenuation and fluctuation of ultrasonic vibration amplitude caused by the change of
cutting load have become crucial factors limiting the precision improvement of the 2D …

Frequency tuning and automatic frequency tracking of shunted piezoelectric transducers

S Ma, Y Zhang, X Zhuang, D Wang, S Chen, H Liu - Ultrasonics, 2024 - Elsevier
Piezoelectric ultrasonic transducers, vital in medical devices and aerospace, often face
challenges like resonant frequency shifts and impedance variations affecting their …

Eliminating the temperature effect of piezoelectric transformer in backlight electronic ballast by applying the digital phase-locked-loop technique

CH Lin, Y Lu, HJ Chiu, CL Ou - IEEE Transactions on Industrial …, 2007 - ieeexplore.ieee.org
A new controller for eliminating the temperature effect of a piezoelectric transformer (PT) in a
backlight electronic ballast is proposed in this paper. First, a class-D backlight inverter is …

Unified SPICE compatible model for large and small-signal envelope simulation of linear circuits excited by modulated signals

S Lineykin, S Ben-Yaakov - IEEE Transactions on Industrial …, 2006 - ieeexplore.ieee.org
The envelope-simulation method, developed earlier for large-signal simulation [time domain
(TRAN)] is extended to include small-signal envelope simulation (ac) and dc sweep …

Time-resolved characterization of a free plasma jet formed off the surface of a piezoelectric crystal

J Yang, SK Im, DB Go - Plasma Sources Science and …, 2020 - iopscience.iop.org
When a piezoelectric transformer (PT) is actuated by a low input voltage (∼ 10 V),
electromechanical coupling leads to a very high (∼ 10 3 V) surface potential at the distal …