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특허 상세정보

Stationkeeping method utilizing open-loop thruster pulses and closed-loop authority limited momentum storage devices

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64G-001/28   
미국특허분류(USC) 244/165; 244/169
출원번호 US-0566571 (2000-05-08)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Terje Gudmestad
인용정보 피인용 횟수 : 12  인용 특허 : 3
초록

A Stationkeeping Mode for a spacecraft having a gimballed momentum wheel for attitude control in which the stationkeeping is divided into short duration open-loop stationkeeping maneuvers to correct orbital errors, and interlaced with closed-loop momentum management operations to manage momentum stored in the momentum wheel. The sequence of open-loop pulses are spaced to deadbeat a given dominant flexible motion of the spacecraft. Between and during the thruster pulses, the gimbaled momentum wheel is maintained in the closed-loop feedback control using g...

대표
청구항

1. A method for attitude control of a spacecraft having a set of rigidly attached thrusters and a gimballed momentum wheel, said method comprising:detecting an error in the orbit of the spacecraft; selecting at least one thruster to be fired as part of an orbit correction maneuver, and a total maneuver duration Ttot for execution of the correction maneuver; selecting at least one thruster to be fired to level and maintain the rotational speed of the momentum wheel, and a momentum management thruster pulse duration Tj for j=1, 2, . . . n; dividing the man...

이 특허를 인용한 특허 피인용횟수: 12

  1. Thomas, Ronald Shawn; Milford, Richard I.. Algorithm for simultaneous attitude maneuver and momentum dumping. USP2013018352101.
  2. Hope, Alan Scott; Lum, Annie Megan. Method and system for establishment and maintenance of a global formation of directionally-fixed spacecraft without the use of expendable mass. USP2013058437892.
  3. Wilson,Edward. Multiple concurrent recursive least squares identification with application to on-line spacecraft mass-property identification. USP2006097110915.
  4. Fujita, Toshiharu; Hayakawa, Nobuaki. Orbit attitude control device, and method of controlling orbit attitude. USP2016019242745.
  5. Fujita, Toshiharu; Hayakawa, Nobuaki. Orbit attitude control device, and method of controlling orbit attitude. USP2016109469419.
  6. Fujita, Toshiharu; Hayakawa, Nobuaki. Orbit attitude control device, and method of controlling orbit attitude. USP2017079696726.
  7. Fujita, Toshiharu; Hayakawa, Nobuaki. Orbit attitude control device, and method of controlling orbit attitude. USP2016049302790.
  8. Fujita, Toshiharu; Hayakawa, Nobuaki. Orbit attitude control device, and method of controlling orbit attitude. USP2016069365300.
  9. Ho, Yiu-Hung M.. Simultaneous momentum dumping and orbit control. USP2012108282043.
  10. Woo, Byoungsam; Ganji, Farid; Cooper, John Hutton. Spacecraft momentum unload and station-keeping techniques. USP2015048998146.
  11. Ho, Yiu-Hung M.; Kurland, Jeffrey A.; Uetrecht, David S.. System and methods for simultaneous momentum dumping and orbit control. USP2013058439312.
  12. Fowell, Richard A.. System for counteracting a disturbance in a spacecraft. USP2005076921049.