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DESIGN OF A LOW-COST 2-AXES FLUXGATE MAGNETOMETER FOR SMALL SATELLITE APPLICATIONS

Kim, Su-Jeoung    (Space System Research Lab, Hankuk Aviation University, Department of Aerospace and Mechanical Engineering, Hankuk Aviation University   ); Moon, Byoung-Young    (Space System Research Lab, Hankuk Aviation University, Department of Aerospace and Mechanical Engineering, Hankuk Aviation University   ); Chang, Young-Keun    (Space System Research Lab, Hankuk Aviation University, Department of Aerospace and Mechanical Engineering, Hankuk Aviation University   ); Oh, Hwa-Suk    (Department of Aerospace and Mechanical Engineering, Hankuk Aviation University  );
  • 초록

    This paper addresses the design and analysis results of a 2-axes magnetometer for attitude determination of small satellite. A low-cost and efficient 2-axes fluxgate magnetometer was selected as the most suitable attitude sensor for LEO microsatellites which require a low-to-medium level pointing accuracy. An optimization trade-off study has been performed for the development of 2-axes fluxgate magnetometer. All the relevant parameters such as permeability, demagnetization factor, coil diameter, core thickness, and number of coil turns were considered for the sizing of a small satellite magnetometer. The magnetometer which is designed, manufactured, and tested in-house as described in this paper satisfies linearity requirement for determining attitude position of small satellites. On the basis of magnetometer which is designed in Space System Research Lab. (SSRL), commercial magnetometer will be developed.


  • 주제어

    magnetometer .   attitude determination .   amorphous magnetic material .   fluxgate sensor.  

  • 참고문헌 (5)

    1. Burger, J. R. 1972, IEEE Tran. Magn, 8, 4 
    2. Kim, C. K., Lee, I. H., Chung Y. C., & O'Handley, R. C. 2000, Materials Science and Engineering, B76, 211 
    3. Kim, S. J., Lee, M. H., & Chang, Y. K. 2004, in Proceedings of the 2004 KSAS Spring Conference (Seoul: KSAS), p.860 
    4. Ripka, P. 2000, Magnetic Sensor and Magnetometer (London: Artech House), pp.1-128 
    5. Wertz, J. R., &Larson,W. J. 1999, Space Mission Analysis and Design (Portland: Space Technology Library), pp.353-380 

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