Torque for an Inertial Piezoelectric Rotary Motor

Table 3

Comparison of experimental results and theoretical values.

Signal; voltage (V)	Calculated maximum; torque (Nmm)	Calculated average; torque (Nmm)	Measured; torque (Nmm)	Relative; errors (%)
75	0.98	0.37	0.24	35
100	1.31	0.50	0.35	30
125	1.7	0.62	0.39	37
150	2.01	0.75	0.44	41
175	2.3	0.87	0.52	40