Title :
Simplified unipolar, quasisquare wave energy recovery drive circuits for piezoelectric actuators
Author :
Robbins, William P.
Author_Institution :
Dept. of Electr. & Comput. Eng., Minnesota Univ., USA
Abstract :
A simple two-switch circuit for driving piezoelectric actuators with unipolar quasisquare waves is presented. The circuit provides for recovery of the energy stored on the actuator capacitance back to the primary power supply when the actuator is de-energized.
Keywords :
driver circuits; iterative methods; matrix algebra; piezoelectric actuators; switching circuits; actuator capacitance; iterative technique; p-matrix; piezoelectric actuators; quasisquare wave energy recovery drive circuits; two-switch circuit; unipolar quasisquare waves; Capacitance; Diodes; Inductors; Piezoelectric actuators; Power supplies; Resonance; Switched capacitor circuits; Switches; Switching circuits; Voltage;
Journal_Title :
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on
DOI :
10.1109/TUFFC.2005.1509802
