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

Table 4

Rotor speed varying with traveling wave vibration amplitude.

AMP/m	Speed (r/min)	AMP (m)	Speed (r/min)
5.91 × 10^−8	238	2.44 × 10^−8	98
3.47 × 10^−8	139	1.92 × 10^−8	77
2.95 × 10^−8	119