Journal of Aerospace System Engineering (항공우주시스템공학회지)

The Society for Aerospace System Engineering (항공우주시스템공학회)
권호 표지
DOI QR코드

DOI QR Code

Analysis of Orbital Deployment for Micro-Satellite Constellation

초소형 위성군 궤도배치 전략 분석

  • Song, Youngbum (Astrodynamics and Control Laboratory, Department of Astronomy, Yonsei University) ;
  • Shin, Jinyoung (Astrodynamics and Control Laboratory, Department of Astronomy, Yonsei University) ;
  • Park, Sang-Young (Astrodynamics and Control Laboratory, Department of Astronomy, Yonsei University) ;
  • Jeon, Soobin (Astrodynamics and Control Laboratory, Department of Astronomy, Yonsei University) ;
  • Song, Sung-Chan (Satellite Center, Hanwha Systems, Co., Ltd.)
  • 송영범 (우주비행제어 연구실, 천문우주학과, 연세대학교) ;
  • 신진영 (우주비행제어 연구실, 천문우주학과, 연세대학교) ;
  • 박상영 (우주비행제어 연구실, 천문우주학과, 연세대학교) ;
  • 전수빈 (우주비행제어 연구실, 천문우주학과, 연세대학교) ;
  • 송성찬 (위성센터, 한화시스템(주))
  • Received : 2022.02.24
  • Accepted : 2022.04.23
  • Published : 2022.04.30
Download PDF
⟨ Previous Next ⟩

Abstract

As interest in microsatellites increases, research has been actively conducted recently on the performance and use, as well as the orbital design and deployment techniques, for the microsatellite constellations. The purpose of this study was to investigate orbital deployment techniques using thrust and differential atmospheric drag control (DADC) for the Walker-delta constellation. When using thrust, the time and thrust required for orbital deployment vary, depending on the separation speed and direction of the satellite with respect to the launch vehicle. A control strategy to complete the orbital deployment with limited performance of the propulsion system is suggested and it was analyzed. As a result, the relationship between the deployment period and the total thrust consumption was derived. It takes a relatively longer deployment time using differential air drag rather than consuming thrusts. It was verified that the satellites can be deployed only with differential air drag at a general orbit of a microsatellite constellation. The conclusion of this study suggests that the deployment strategy in this paper can be used for the microsatellite constellation.

초소형위성에 대한 관심이 증가함에 따라 초소형위성군의 성능과 활용도뿐 아니라 위성군의 궤도설계, 궤도배치 기법에 대한 연구가 활발히 수행되고 있다. 본 연구에서는 초소형 위성을 활용한 워커-델타 위성군을 구축하기 위한 궤도배치 기법으로 추력을 이용한 기법과 차등 대기항력 제어 (DADC)를 연구하였다. 추력을 이용할 시, 발사체에 대한 위성의 분리속도와 각도에 따라 궤도배치에 소요되는 시간과 추력량이 달라진다. 초소형위성의 추력시스템 성능을 참고하여 제한된 성능으로 궤도배치를 완료하기 위한 제어전략을 제시하였다. 결과적으로 궤도배치 기간과 총 추력량의 관계를 도출하였다. 차등 대기항력을 이용하면 추력을 소모하지 않는 대신 상대적으로 긴 배치기간을 소요한다. 소프트웨어 시뮬레이션을 통해 일반적인 초소형위성군의 궤도에서 차등 대기항력으로 궤도배치를 완료할 수 있음을 검증하였다. 본 연구 결과를 활용하면 초소형위성군의 궤도배치에 전략을 수립하고 활용할 수 있을 것이다.

Keywords

Acknowledgement

본 연구는 한화시스템(주)의 "초소형 위성 시스템 및 군집위성군 연구" 과제 지원으로 수행되었음.

References

  1. J. Shin, "Design of Regional Coverage Low Earth Orbit (LEO) Constellation with Optimal Inclination," J. Astron. Space Sci., vol. 38, no. 4, pp. 217-227, 2021. https://doi.org/10.5140/JASS.2021.38.4.217
  2. N. H. Crisp, K. Smith and P. Hollingsworth, "Launch and deployment of distributed small satellite systems," Acta Astronautica, vol. 114, pp. 65-78, Sep-Oct 2015. https://doi.org/10.1016/j.actaastro.2015.04.015
  3. C. Foster, J. Mason, V. Vittaldev, L. Leung, V. Beukelaers, L. Stepan and R. Zimmerman, "Constellation Phasing with Differential Drag on Planet Labs Satellites," Journal of Spacecraft and Rockets, vol. 55, no. 2, pp. 473-483, Mar.-Apr. 2018. https://doi.org/10.2514/1.a33927
  4. C. D. Bussy-Virat, A. J. Ridley, A. Masher, K. Nave and M. Intelisano, "Assessment of the Differential Drag Maneuver Operations on the CYGNSS Constellation," IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 12, no. 1, pp. 7-15, Jan. 2019. https://doi.org/10.1109/jstars.2018.2878158
  5. J. Shin, Microsatellite Constellation Design for Regional Coverage and Constellation Orbit Deployment Strategy, Master Thesis, Yonsei University, 2021.
  6. Y. Hwang, Study of Micro-satellite constellation design and station keeping, Master Thesis, Yonsei University, 2020
  7. J. Newman, "Drift recovery and station keeping results for the historic CanX-4/CanX-5 formation flying mission," 29th Annual AIAA/USU Conference on Small Satellites, 2014.
  8. Y. Song, S. Park, G. Kim and D. Kim, "Design of Orbit Controls for a Multiple CubeSat Mission Using Drift Rate Modulation," Aerospace, vol. 8, no. 11, 2021
  9. R. H. Battin, "An Introduction to the Mathematics and Methods of Astrodynamics," AIAA Education Series, New York, 1999.