Magnetic field concentration using ferromagnetic material to propel a wireless power transfer based micro-robot

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In this paper, we propose a novel coil structure, using a ferromagnetic material which concentrates the magnetic field, as the propulsion system of a wireless power transfer (WPT) based micro-robot. This structure uses an incident magnetic field to induce current during wireless power transfer, to generate a Lorentz force. To prevent net cancelation of the Lorentz force in the load coil, ferrite films were applied to one side of the coil segment. The demonstrated simplicity and effectiveness of the proposed micro-robot showed its suitability for applications. Simulation and experimental results confirmed a velocity of 1.02 mm/s with 6 mW power transfer capacity for the 3 mm sized micro-robot.
Publisher
AMER INST PHYSICS
Issue Date
2018-05
Language
English
Article Type
Article; Proceedings Paper
Keywords

CAPSULE ENDOSCOPY; MICROMOTORS

Citation

AIP ADVANCES, v.8, no.5

ISSN
2158-3226
DOI
10.1063/1.5007774
URI
http://hdl.handle.net/10203/241297
Appears in Collection
GT-Journal Papers(저널논문)
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