Mathematical Problems in Engineering

Research Article

Realization of the Ultrasonic Motor Speed Control System Based on H-Bridge

Table 2

Simulation results of traveling wave amplitude varying with driving voltage and frequency.
U/Vf/kHzAMP/mU/Vf/kHzAMP/m
20034.517041.5
20033.514041.5
20038.511041.5
20041.5