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논문 기본 정보

자료유형
학술저널
저자정보
Nak-Sun Choi (Kyungpook National University) Dong-Wook Kim (Kyungpook National University) Chang-Seob Yang (Agency for Defense Development) Hyun-Ju Chung (Agency for Defense Development) Heung-Geun Kim (Kyungpook National University) Dong-Hun Kim (Kyungpook National University)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.18 No.2
발행연도
2013.6
수록면
135 - 141 (7page)

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초록· 키워드

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This paper proposes an efficient fault detection method for onboard degaussing coils which are installed to minimize underwater magnetic fields due to the ferromagnetic hull. To achieve this, the method basically uses field signals measured at specific magnetic treatment facilities instead of time-consuming numerical field solutions in a three-dimensional analysis space. In addition, an analytical design sensitivity formula and the linear property of degaussing coil fields is being exploited for detecting fault coil positions and assessing individual degaussing coil currents. Such peculiar features make it possible to yield fast and accurate results on the fault detection of degaussing coils. For foreseeable fault conditions, the proposed method is tested with a model ship equipped with 20 degaussing coils.

목차

1. Introduction
2. Underwater Field Signals of a Model Ship
3. Proposed Fault Detection Method
4. Case Study
5. Conclusion
References

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