A miniature piezoelectric actuator with fast movement and nanometer resolution

W Wei, Z Ding, J Wu, L Wang, C Yang, X Rong… - International Journal of …, 2024‏ - Elsevier
To accomplish fast movement and high positioning capability, a miniature self-moving
piezoelectric actuator (MSPA) is developed with two groups of polyphenylene sulfide (PPS) …

A miniature traveling wave ultrasonic linear motor utilizing bimorph transducers

Z Wen, D Wu, K Nakamura - IEEE Transactions on Ultrasonics …, 2024‏ - ieeexplore.ieee.org
Scaling down linear actuators is crucial for various industrial applications, yet the efficiency
of electromagnetic linear actuators decreases significantly as they are miniaturized …

A Self-Moving Piezoelectric Actuator With High Carrying/Positioning Capability via Bending-Resonant-Vibration-Induced Stick-Slip Motion

J Liu, Z Ding, J Wu, L Wang, T Chen… - IEEE Transactions …, 2024‏ - ieeexplore.ieee.org
A self-moving piezoelectric actuator (SMPA) with high carrying/positioning capability is
presented in this article. Its Π-shaped mechanical part comprises four piezo-legs, each of …

A centipede-inspired bonded-type ultrasonic actuator with high thrust force density driven by dual-torsional-vibration-induced flexural traveling waves

J Liu, L Ding, C Pan, X Lai, J Wu, Z Ding… - Sensors and Actuators A …, 2024‏ - Elsevier
This paper presents an ultrasonic actuator with high thrust force density driven by dual-
torsional-vibration-induced flexural traveling waves. Here, the PZT plates are bonded onto a …

Development of an Untethered Ultrasonic Robot With Fast and Load-Carriable Movement Imitating Rotatory Gallo** Gait

J Wu, Z Ding, L Wang, R Zhang… - IEEE/ASME …, 2024‏ - ieeexplore.ieee.org
An untethered ultrasonic robot (U2sonobot) operating in resonant vibration is developed by
integrating dual transducers, an onboard circuit, and a battery. Here, the longitudinal and …

Design and evaluation of a bionic piezoelectric stick-slip actuator inspired by human body

L Wang, Y Zhang - Sensors and Actuators A: Physical, 2024‏ - Elsevier
In this study, a novel bionic piezoelectric stick-slip actuator inspired by human body is
proposed, fabricated and tested. The working principle of this actuator mimics the bending …

Design and modelling of a novel single-phase-driven piezoelectric actuator

R Wang, L Wang, B Jia, S Deng, Z Zhao - International Journal of …, 2025‏ - Elsevier
Sandwich single-phase-driven piezoelectric actuators have attracted increasing interest
owing to their simple control circuits, flexible designs, and high output forces. However, there …

[HTML][HTML] Travelling waves in beam-like structures submerged in water

SNH Syuhri, H Zare-Behtash, A Cammarano - International Journal of …, 2024‏ - Elsevier
There are many examples in nature of travelling waves used for propulsion purposes, eg,
micro-organisms and sea creatures. Structural travelling waves can be used to induce …

A Miniature Pole-Climbing Piezoelectric Robot With Fast and Load-Towable Movement Inspired by Squirrel's Gallo** Gait

X Li, Z Ding, J Wu, W Wei, L Wang… - IEEE Transactions …, 2024‏ - ieeexplore.ieee.org
This article presents a miniature pole-climbing piezoelectric robot (MPCPR) with fast and
load-towable movement. Basically, it incorporates a pair of alumina transducers, where the …

Development of a compact solar array drive assembly based on ultrasonic motor for deep space micro-nano satellites

X Li, X Li, L Tang, Z Yang, L Yang - Acta Astronautica, 2025‏ - Elsevier
With the diversification and multifunctionality of space missions, micro-nano satellites need
to carry more payloads in deep space orbits with harsh lighting conditions. Traditional built …