Piezoelektrischer Stellantrieb (PAD) (Piezoelectric Actuator Drive (PAD)). - Andreas Kappel; Bernhard Gottlieb; Carsten Wallenhauer (Autom., 2008)

Efficiency-Improved High-Voltage Analog Power Amplifier for Driving Piezoelectric Actuators. - Carsten Wallenhauer; Bernhard Gottlieb; Roland Zeichfusl; Andreas Kappel (IEEE Trans. Circuits Syst. I Regul. Pap., 2010)