Micro converter with a high step-up ratio to drive a piezoelectric bimorph actuator applied in mobile robots

In this study, a micro converter for driving a piezoelectric actuator is designed and implemented. The converter can produce 100 V, 80 Hz AC voltage from 3.7 V DC voltage. With regard to the requirements of micro mobile robots, the main contributions of this study are the design and implementation o...

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Bibliographic Details
Published in:International journal of advanced robotic systems Vol. 15; no. 2
Main Authors: Xu, Ziming, Wang, Yiding, Chen, Chen
Format: Journal Article
Language:English
Published: London, England SAGE Publications 01.03.2018
Sage Publications Ltd
SAGE Publishing
Subjects:
Circuit design
Electric converters
Electric potential
Miniaturization
Piezoelectric actuators
Piezoelectricity
Robots
Topology
low power
miniaturization
Micro mobile robot
piezoelectric actuator
driving circuit
ISSN:1729-8806, 1729-8814
Online Access:Get full text
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Summary:In this study, a micro converter for driving a piezoelectric actuator is designed and implemented. The converter can produce 100 V, 80 Hz AC voltage from 3.7 V DC voltage. With regard to the requirements of micro mobile robots, the main contributions of this study are the design and implementation of a circuit topology supplying power for micro mobile robots at low power and the miniaturization of this topology to make it suitable for driving a centimeter-level robot. The 91 mg mass (excluding printed circuit board mass), 14 × 12 × 4 mm size, and 84.6% efficiency of the converter indicate that this circuit could be applied in micro mobile robots driven by piezoelectric actuators.
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ISSN:1729-8806
1729-8814
DOI:10.1177/1729881418763458