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. Author manuscript; available in PMC: 2015 Sep 23.
Published in final edited form as: IEEE ASME Trans Mechatron. 2014 Nov 5;20(4):1920–1932. doi: 10.1109/TMECH.2014.2359413

Fig. 5.

Fig. 5

Block diagram of the system components of each piezoelectric motor driver board. An FPGA is configured as a waveform synthesizer generating the four phases of the drive signal which are passed to a linear amplifier stage with integrated filtering.