The need for precision positioning applications has enormously influenced the research and
development towards the growth of precision actuators. Over the years, piezoelectric …

Ultrasonic guided wave techniques are extensively applied in the non-destructive testing
and structural health monitoring (SHM) of oil and gas pipelines due to its advantages of wide …

Hundreds of piezoelectric ultrasonic motors (PUSMs) have been proposed for scientific
researches and developed for commercial applications in the past decade. They are …

The damage identification process provides relevant information about the current state of a
structure under inspection, and it can be approached from two different points of view. The …

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 …

A ring-shaped linear piezoelectric actuator with three driving teeth is proposed and
designed based on an axial-radial bending coupling vibration mode. The coupling vibration …

The actuators with the abilities of precise trajectory tracking in large range are widely
needed in many applications. However, nearly all the previous achievements can only …

This article represents the various recent advancements in the field of Piezoelectric
Ultrasonic Motors, especially in linear type. The construction and operation principles …

Although high-frequency ultrasonic micromachining systems have shown great advantages
in microstructure manufacture with high efficiency and accuracy, the potential applications …

Piezoelectric robots play important roles in the field of micromanipulation, but it is difficult for
them to generate steady precision motion at any moment. In order to eliminate the changing …