Browse > Article
http://dx.doi.org/10.4283/JKMS.2010.20.2.045

A Study on the Shape Evaluation using Non-contact Electromagnetic Measurement System  

Kim, Jae-Min (LS Industrial Systems Co., Ltd.)
Yun, Seung-Ho (Dept. of Electrical Engineering, Pusan National University)
Won, Hyuk (Dept. of Electrical Engineering, Pusan National University)
Park, Gwan-Soo (Dept. of Electrical Engineering, Pusan National University)
Publication Information
Journal of the Korean Magnetics Society / v.20, no.2, 2010 , pp. 45-51 More about this Journal
Abstract
We suggest the algorithm that it detects volume and shape according with a variation of magnetic field in non-contact electromagnetic measurement system. It is possible to assess an object shape through a variation of magnetic field. The basic idea is compared a length difference with a variation of magnetic field in a detected object and a circle which modeled equivalent area. And the shape is detected to many calibration process that it is similar to signal pattern between a length difference and a variation of magnetic field in object and equivalent circle. This is the shape detection algorithm that use only the variation of magnetic field. In this paper, it has application to the shape detection algorithm about the object as hexagon, pentagon, rectangle, trigon. we can detect the object shape easily because the shape detection algorithm is only used to the variation of magnetic field.
Keywords
non-destructive test; finite element method (F.E.M); shape detection;
Citations & Related Records
연도 인용수 순위
  • Reference
1 G. S. Park and K. Seo, IEEE Trans. Magn. 41(5), (2005).
2 G. S. Park, S. Y. Hahn, K. S. Lee, and H. K. Jung, IEEE Trans. Magn. 29(2), 1542 (1993).   DOI   ScienceOn
3 D. C. Barber and B. H. Barber, J. Phys. E, Sci. Instrum. 17(9),723 (1984).   DOI   ScienceOn
4 Y. S. Cho, NDT & E International 36, 229 (2003).   DOI   ScienceOn
5 K. Y. Kim, B. S. Kim, M. C. Kim, S. Kim, Y. J. Lee, H. J.Jeon, B. Y. Choi, and M. Vauhkonen, IEEE Trans. Magn.40(2), 1124 (2004).   DOI   ScienceOn
6 G. S. Park and K. Seo, The 15th Conference on the Computation of Electromagnetic Fields 3(99), 26 (2005).