EURASIP Journal on Embedded Systems

Table 1 Piezoelectric actuator tip estimated displacement versus experimental measurements.

From: Model and Design of a Power Driver for Piezoelectric Stack Actuators

Measured			Estimated
Charge storage [C]	Piezo Voltage [V]	Tip displacement [um]	Piezo Voltage [V]	Estimated position [μ m]	Position Error Err [%]
275	45	16	45	16.56	3.38
384	65	24	65	23.88	0.48
545	83	34	83	34.7	2.03
604	90	40	90	38.67	3.44
714	110	48	110	46.06	4.21
878	120	56	120	57.08	1.89
933	130	60	130	60.78	1.28
1098	145	68	145	71.87	5.38
1164	155	80	155	76.3	4.85

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