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Measuring the Attitude of a Spin-Stabilized Projectile Using Solar/Geomagnetic Sensors

태양광/지자기 센서를 이용한 회전안정형 탄체의 자세 측정

  • Lee, Yongseon (Ground Technology Research Institute, Agency for Defense Development)
  • 이용선 (국방과학연구소 지상기술연구원)
  • Received : 2020.07.13
  • Accepted : 2020.10.09
  • Published : 2020.12.05

Abstract

Unlike fin-stabilized projectiles, there has been some difficulty measuring the attitudes of spin-stabilized projectiles during the long-range flight due to their high spin rates. In this work, solar and geomagnetic sensors were used to measure the attitude of a spin-stabilized projectile. A method to calculate the attitude of the projectile from the signals of the sensors was introduced as well as the methods to process the signals of the sensors. To validate the methods, the attitude of a projectile was calculated with the sensor signals from the actual flight data.