Power-Efficient Driver Circuit for Piezo Electric Actuator with Passive Charge Recovery

Piezoelectric actuation is a promising principle for insect-scaled robots. A major concern while utilizing a piezoelectric actuator is energy loss due to its parasitic capacitance. In this paper, we propose a new concept to recover the charge stored in the parasitic capacitance; it requires only thr...

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Bibliographic Details
Main Authors: Takashi Ozaki, Norikazu Ohta
Format: Article
Language:English
Published: MDPI AG 2020-06-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/13/11/2866