To accomplish fast movement and high positioning capability, a miniature self-moving
piezoelectric actuator (MSPA) is developed with two groups of polyphenylene sulfide (PPS) …

Ultrasonic motors (USMs) have been extensively investigated for a few decades, but it is still
required to improve their thrust force (or torque) density and/or power density for practical …

Self-running piezoelectric robots have the advantages of being low cost, high load ratio and
fast speed of operation, as well as showing few limitations in confined spaces or for …

To accomplish high carrying/positioning capability with compact structure, in this study, a
miniature self-moving ultrasonic actuator (MSMUA) is developed by exciting a flexural …

Self-propelled swimmers using ultrasonic transducers have been proposed and studied.
The screw and bionic propulsion systems have dominated underwater robots. However, the …

Surface acoustic wave atomization is also effective for generating microparticles and
nanoparticles, because of the small wavelength with the high frequency. In this work, a novel …

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 …

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 …

Sandwich single-phase-driven piezoelectric actuators have attracted increasing interest
owing to their simple control circuits, flexible designs, and high output forces. However, there …

A bonded-type linear ultrasonic motor via torsional/bending hybrid excitation was developed
in this paper to not only enhance the actuating capability but also realize the lightweight …