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 …

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

Bolted joint are among the key components that enable the robust assembly of a wide
variety of structures. However, due to wear and tear over time, bolted joint may loosen, and if …

Miniature robots have been widely studied and applied in the fields of search and rescue,
reconnaissance, micromanipulation, and even the interior of the human body benefiting from …

A novel piezoelectric inchworm actuator driven by one channel dc signal is developed in this
article to simplify excitation signal of the inchworm actuators, and the clamping force of the …

Piezo-driven precision positioning platforms with large stroke are greatly demanded in both
scientific research and industrial applications. Although various principles have been …

Piezoelectric actuators have been widely applied in precision electromechanical equipment
due to their high resolution, fast response, and flexible structure. However, existing rotary …

A self-adapting structure is proposed in this study to match the driving and clamping signals
of piezoelectric inchworm actuators. The excitation signal generated from a pair of opposite …

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 …

Piezoelectric actuators are widely used in various precision instruments owing to their rapid
response, high motion accuracy, and immunity to electromagnetic interference. However …