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Review of Scientific Instruments / Volume 81 / Issue 5 / NOTES

Rev. Sci. Instrum. 81, 056102 (2010); http://dx.doi.org/10.1063/1.3402287 (3 pages)

Note: Development of a small maglev-type antirolling system

Cheol Hoon Park1, Hee Chang Park1, Han Wook Cho2, Seok Jun Moon2, and Tae Young Chung2

1Nano Convergence and Manufacturing Systems Research Division, Korea Institute of Machinery and Materials, 171 Jang-dong, Yuseong-gu, Daejeon 305-343, Republic of Korea
2Systems Engineering Research Division, Korea Institute of Machinery and Materials, 171 Jang-dong, Yuseong-gu, Daejeon 305-343, Republic of Korea

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(Received 8 February 2010; accepted 29 March 2010; published online 5 May 2010)

Various passive and/or active antirolling devices have been used for suppressing the rolling motion of ships in the ocean. In this study, a maglev-type active mass driver (AMD) is developed for controlling the rolling motion of a shiplike structure. No friction is generated during the motion of this maglev-type AMD, as the moving mass is floated by the magnetic levitation force and displaced by the propulsion force generated by the linear motor. For verifying the feasibility of the proposed method, a small AMD having a moving mass of approximately 4.0 kg is constructed and used in a small-scale model of a catamaran. This paper presents the detailed design procedures and obtained experimental results. Our results show that the developed maglev-type AMD has the potential for use in controlling the rolling motion of ships and other oceanographic vessels.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

magnetic levitation, ships

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ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3402287

PUBLICATION DATA

ISSN

0034-6748 (print)  
1089-7623 (online)

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$abstract.society.value is a Member of CrossRef American Institute of Physics

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