In this work, numerical simulations and experimental measurements carried out on a high-
power ultrasonic motor are presented. The proposed motor is composed of an annular …

Ultrasonic motors have been exploited mainly in low power and low duty cycle applications.
In aerospace and automotive applications, there is also the need for motors able to provide …

In the present work, a traveling wave ultrasonic motor (TWUSM) is proposed. It is composed
of an annular-shaped stator and two cone-shaped rotors that are pressed in contact to the …

In this work, a novel dual stator-ring rotary ultrasonic motor is proposed, designed, fabricated
and characterized for raising driving torque of the rotary ultrasonic motor operating in the …

This paper presents a new design for a traveling wave ultrasonic motor with a bolt-clamped
Langevin transducer. A flexural composite transducer was attached to a ring around its …

An ultrasonic motor using two bolt-clamped Langevin-type transducers was described. A
rigorous optimization of the motor's structure was conducted and its results are reported in …

This paper proposes a non-resonant linear ultrasonic motor utilizing longitudinal traveling
waves. The longitudinal traveling waves in the rod type stator are generated by inducing …

Traveling wave rotary ultrasonic motors (TRUSMs) have been applied in optical systems,
robotics, biomedical and other fields. However, the disadvantages such as short working life …

A Langevin transducer can provide longitudinal vibration with larger amplitude while also
possessing a greater fatigue life than other types of piezoelectric vibrators. A novel rotary …

A cylindrical type traveling wave ultrasonic motor using longitudinal and bening composite
transducer was proposed in this paper. A composite transducer is attached to the cylinder on …