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

Ultrasonic processing has attracted increasing attention by people because ultrasonic
technology may represent a flexible 'green'alternative for energy efficient processes. The …

Precision positioning systems with large working stroke (millimeter or more) and micro/nano-
scale positioning resolution are widely required in both scientific research and industries …

Various non-resonant piezoelectric actuators have been emerged in recent decades and
they have been applied successfully in many industrial fields, such as medical apparatuses …

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

Stick-slip piezoelectric actuators have been widely employed in those fields where both
large working stroke and high positioning accuracy are required. However, the problems of …

The structure and performance of ultrasonic motors have gradually improved with the
emergence of new materials, techniques, and structural forms. Therefore, the application …

A novel standing wave linear ultrasonic motor with double driving feet based on longitudinal-
bending coupling mode is designed in this study. The motor adopts the bonded-type …

This paper proposes a voice coil motor (VCM) with a novel electromagnetic structure for
smartphone OZ actuators, and the advantages of this novel design are its long …

Micro-stepping motion of ultrasonic motors satisfies biomedical applications, such as cell
operation and nuclear magnetic resonance, which require a precise compact-structure non …