Abstract
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 requir...
Highlights
Micro mobile robots have been investigated extensively because of their potential application in search and rescue, exploration, and reconnaissance; examples of their usage include mobile robots in robotic rovers,[1] micro grippers for handling small lightweight objects for robotic assembly,[2] and flapping-wing robotic insects.[3]
Load resistance R is generally million ohms level to reduce the flowing current, so that energy consumption is concentrated on the piezoelectric bimorph, which means that it can acquire a high step-up ratio in discontinuous current mode (DCM) according to the formula
Designing an optional additional soft switch can reduce switching losses and improve efficiency, the high efficiency and numerous components of the soft switch would result in increased size and mass in the current topology, which is disadvantageous to micro mobile robots
Summary
Micro mobile robots have been investigated extensively because of their potential application in search and rescue, exploration, and reconnaissance; examples of their usage include mobile robots in robotic rovers,[1] micro grippers for handling small lightweight objects for robotic assembly,[2] and flapping-wing robotic insects.[3]. Keywords Micro mobile robot, piezoelectric actuator, driving circuit, low power, miniaturization
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