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Magnetic Navigation System Utilizing Resonant Effect to Enhance Magnetic Field Applied to Magnetic Robots

Title
Magnetic Navigation System Utilizing Resonant Effect to Enhance Magnetic Field Applied to Magnetic Robots
Author
장건희
Keywords
Magnetic navigation system (MNS); magnetic robot; resonant frequency; RLC circuit; rotating magnetic field
Issue Date
2017-06
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, v. 64, no. 6, page. 4701-4709
Abstract
We propose a novel magnetic navigation system (MNS) with the resonant effect of an RLC circuit to generate large magnetic field in high frequency. The variable capacitors of the proposed MNS make it possible not only to change the resonant frequency of the RLC circuit, but also tomaximize the output current without phase delay at variable resonant frequencies. The proposed MNS can compensate for the amplitude decrease and phase delay due to the inductance effect of a conventional MNS, while generating a uniform magnetic field with a wide range of rotating frequencies to effectively operate a helical robot in human blood vessels. For verification of the constructed MNS, we measured currents and magnetic fields at several resonant frequencies, and the experimental values corresponded well with the calculated values. We finally demonstrated that the proposed MNS substantially improves both moving and unclogging capabilities of a helical robot as compared to the conventional MNS.
URI
https://ieeexplore.ieee.org/document/7857096https://repository.hanyang.ac.kr/handle/20.500.11754/114550
ISSN
0278-0046; 1557-9948
DOI
10.1109/TIE.2017.2669886
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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