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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Techniques for optimizing an autonomous star tracker

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G05D-001/00   
미국특허분류(USC) 701/222
출원번호 US-0867603 (1997-06-02)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Fenwick & West LLP
인용정보 피인용 횟수 : 56  인용 특허 : 20
초록
▼

A method for determining the attitude of a spacecraft (1) by observing stars (2) within a starfield (3). A detector (13), camera electronics (14), and computer (15) located on board the spacecraft (1) are used to generate a set of star match groups by matching pairs of stars observed by the detector (13) with pairs of guide stars from a stored database (18) of guide stars. Match groups having small numbers of stars are eliminated. Non-eliminated match groups are validated. Redundant match groups are eliminated. A match group having the largest number of ...

대표
청구항
▼

[ What is claimed is:] [1.] A method for determining the attitude of a spacecraft by observing stars, the method comprising the steps of:at a first time, observing a set of stars within a preselected field of view by a camera on board the spacecraft to obtain a first set of observations;matching said first set of observations against original guide stars within a guide star database stored on board the spacecraft;deriving a first approximation of the attitude of the spacecraft from positions of original guide stars that matched with observed stars from t...

이 특허에 인용된 특허 (20)

  1. Johnson William M. (Sudbury MA) Musoff Howard (Brookline MA). Apparatus and method for autonomous satellite attitude sensing. USP1996085546309.
  2. Montenbruck Oliver (Mnchen DEX) Eckstein Martin (Wrthsee DEX) Werner Wilhelm (Bieringen (Schntal) DEX). Apparatus for orbit control of at least two co-located geostationary satellites. USP1996045506780.
  3. Izumida Kiichiro (Kanagawa JPX) Kasai Ritaroh (Kanagawa JPX). Artificial satellite attitude control system. USP1986104617634.
  4. Schreiber Wolfgang (Arget DEX). Attitude and orbit control system (AOCS) comprising a testing system. USP1996015485383.
  5. Achkar Issam-Maurice (Cannes-la-Bocca FRX) Guillermin Pierre (Nice FRX). Attitude control system for three-axis stabilized satellite in near-equatorial orbit. USP1993115259577.
  6. Wertz James R. (Torrance CA). Autonomous spacecraft navigation system. USP1992045109346.
  7. Lehner John A. (Sunnyvale CA) Lebsock Kenneth L. (Manhattan Beach CA). Electronic on-orbit roll/yaw satellite control. USP1985064521855.
  8. Pritt Mark D. (Frederick MD) Greening Thomas B. (North Bethesda MD). Interactive graphics computer system for planning star-sensor-based satellite attitude maneuvers. USP1995125473746.
  9. Frisch Eberhard (Unterhaching DEX). Measuring arrangement for determining the attitude of an earth satellite. USP1987064674715.
  10. Kosaka Michitaka (Sagamihara JPX) Mohri Satoshi (Kawasaki JPX) Kawano Katsumi (Tokyo JPX) Sasaki Toshiro (Kawasaki JPX) Miyamoto Shoji (Kawasaki JPX) Nakajima Takashi (Tokyo JPX). Method and apparatus for determining satellite attitude by using star sensor. USP1987044658361.
  11. Conley Peter L. (Woodland Hills CA). Method and apparatus for rotational rate determination using a stellar reference. USP1993065223702.
  12. Bender Douglas J. (Redondo Beach CA) Parks Thomas R. (Redondo Beach CA) Brozenec Thomas F. (El Segundo CA). Method of attitude determination using earth and star sensors. USP1995055412574.
  13. Holmes Alan W. (Santa Barbara CA) Longmire Matthew J. (Santa Barbara CA). Optical head having an imaging sensor for imaging an object in a field of view and a tracking sensor for tracking a star. USP1996065525793.
  14. Suzuki Naoshi (Tokyo JPX). Optical sensor arrangement for tracking a star, with dark current pixel by pixel sensor compensation. USP1996035500521.
  15. Kamel Ahmed A. (Sunnyvale CA) Graul Donald W. (San Mateo CA) Savides John (Los Altos Hills CA) Hanson Charles W. (Mountain View CA). Satellite camera image navigation. USP1987084688092.
  16. Frisch Eberhard (Unterhaching DEX). Star sensor arrangement for a rotating satellite having two fields of view. USP1988044740680.
  17. Yokota Toyohachi (Tokyo JPX). Star sensor using CCD. USP1987044658431.
  18. Jungwirth Douglas R. (Reseda CA) Simpson A. Phillip (Rancho Palos Verdes CA) Kawahara Mitsuo (Perris CA) Levine Seymour (Topanga CA) Kennel John M. (Santa Ana CA). Strapdown stellar sensor and holographic lens therefor. USP1991045012081.
  19. Abreu Rene (New Fairfield CT). System and method for sensing attitude of a spacecraft with equilized star tracker errors along three orthogonal axes. USP1994095348255.
  20. Falbel Gerald (Stamford CT). Three axis earth/star sensor. USP1993025189295.

이 특허를 인용한 특허 피인용횟수: 56

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  2. Leyre, Xavier; Napierala, Bruno. Absolute target system enhanced by combining a star sensor and a formation flight optical metrological sensor. USP2010067745768.
  3. Hedrick,Richard L.; Paquette,Andre. Alignment system for observation instruments. USP2008067382448.
  4. Abul-Haj Cary J. ; Parks Thomas R.. Architecture for processing wide field-of view sun sensor signals for satellite applications. USP2001106310336.
  5. Didinsky Garry ; Nayak Arunkumar P. ; Li Rongsheng ; Wu Yeong-Wei A. ; Kurland Jeffrey A. ; Needelman David D.. Attitude determination system and method. USP2001096289268.
  6. Weigl, Harald J.; Goodzeit, Neil E.; Ratan, Santosh. Attitude determination system for yaw-steering spacecraft. USP2010117835826.
  7. Lane, Benjamin F.; Rachlin, Yaron; Laine, Juha-Pekka J.; Dawson, Robin M. A.; Yu, Christopher C.. Attitude estimation by reducing noise with dragback. USP2013068472736.
  8. Rachlin, Yaron; Lane, Benjamin F.; Laine, Juha-Pekka J.; Dawson, Robin M. A.; Yu, Christopher C.. Attitude estimation in compressed domain. USP2013068472737.
  9. Lane, Benjamin F.; Rachlin, Yaron; Laine, Juha-Pekka J.; Dawson, Robin M. A.; Yu, Christopher C.. Attitude estimation with compressive sampling of starfield data. USP2013068472735.
  10. Needelman, David D.; Wu, Yeong-Wei A.; Li, Rongsheng. Attitude-acquisition methods and systems for controlled spacecraft attitude. USP2004076766227.
  11. Didinsky Garry ; Wu Yeong-Wei ; Li Rongsheng ; Nayak Arunkumar ; Hein Douglas. Autonomous attitude acquisition for a stellar inertial attitude determination system. USP2000086108594.
  12. Quine Brendan Mark Edward,GBX. Autonomous star identification. USP1999085935195.
  13. Anderson, Mark J.. Celestial navigation using stellar narrow-band emission. USP2012078222582.
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  21. Chappell, Charles D.; Becker, Karl H.. Gas supported inertial sensor system and method. USP2010047698064.
  22. Baun,Kenneth W.; Hoot,John E.. High definition telescope. USP2009017482564.
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