Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Deployment Actuator Logic Design for Enhancing Aircraft Armament Stability

항공무장 안정성 향상을 위한 날개 전개 구동기의 작동로직 설계

  • Seonjae Jeon (Aerospace Technology Research Institute, Agency for Defense Development) ;
  • Kidu Lee (Aerospace Technology Research Institute, Agency for Defense Development) ;
  • Jinwoo Lee (Aerospace Technology Research Institute, Agency for Defense Development) ;
  • Hyodeuk An (Aerospace Technology Research Institute, Agency for Defense Development) ;
  • Wonjong Song (Aerospace Technology Research Institute, Agency for Defense Development) ;
  • Jinhyeok Lee (PGM R&D Group, LIG Nex1 Co., Ltd.)
  • 전선재 (국방과학연구소 항공기술연구원) ;
  • 이기두 (국방과학연구소 항공기술연구원) ;
  • 이진우 (국방과학연구소 항공기술연구원) ;
  • 안효득 (국방과학연구소 항공기술연구원) ;
  • 송원종 (국방과학연구소 항공기술연구원) ;
  • 이진혁 (LIG넥스원(주) PGM 핵심기술연구소)
  • Received : 2023.08.03
  • Accepted : 2024.01.19
  • Published : 2024.04.05
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Abstract

For the high reliability of guidance weapon, it is important to maintain the stable supply voltage for guidance system while the bomb is gliding. However, the DC motor drive for guidance control in the low temperature can lead to the critical voltage drop due to a large inrush current. In this paper, we propose the wing deployment logic design to enhance the guidance system stability. To derive the stable drive logic based on PWM, we controlled the duty cycles for input voltage of DC motor in low temperature. The initial duty cycle was set to 40 % to relieve the inrush current. Moreover, the proper time, which is less than 1 second for controlling duty cycles, was determined by the iterative wing deployments of guidance kit. Finally, the validity of proposed logic was confirmed from the result the maximum voltage drop for the wing deployment was decreased by 23 %.

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References

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