[Case Study] Frequency Response Analysis of Traveling Wave Ultrasonic Motors
Confirmation of the traveling wave behavior of disk-type and ring-type traveling wave ultrasonic motors and the elliptical trajectory of an arbitrary point on the vibrating body.
**Case Overview** ■Product Name: Simcenter Femap with Nastran ■Analysis: Frequency Response Analysis ■Industry: Electrical and Electronics Ultrasonic motors are actuators that generate ultrasonic vibrations in the stator through piezoelectric elements, driving the rotor via frictional force. They feature low speed and high torque without gears, fast response, high holding torque, quiet operation, and non-magnetic properties. Practical applications are being advanced in various fields such as optical devices, precision instruments, information equipment, medical devices, and transportation equipment. In this analysis, two bending vibrations with a 90° phase difference were excited in the stator of disk-type and ring-type traveling wave ultrasonic motors, and the behavior of the traveling wave and the elliptical trajectory of arbitrary points on the vibrating body were confirmed. *Note: Since Simcenter Nastran does not have piezoelectric analysis capabilities, excitation was performed using force loading instead of voltage drive.* □ For other functions and details, please refer to the catalog.
basic information
We will introduce a case study of frequency response analysis of a traveling wave ultrasonic motor using Simcenter Femap with Nastran.
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Simcenter Femap with Nastran
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