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"" 따옴표 내의 구문과 완전히 일치하는 문서만 검색 예) "Transform and Quantization"

특허 상세정보

Method and apparatus for estimating effects of disturbance forces

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64G-001/32   
미국특허분류(USC) 24/4166 ; 70/101.3 ; 24/416.4
출원번호 US-0905627 (1997-08-04)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Whitney
인용정보 피인용 횟수 : 10  인용 특허 : 9
초록

The attitude of a physical platform (62) is altered by a summation of forces from an attitude actuator (74), disturbance forces (80) and random noise (82). Attitude sensors (64) sense the attitude of the physical platform (62) and output measured attitude parameters to a disturbance force effects (DFE) filter (66) and an attitude filter (68). The DFE filter (66) outputs an attitude perturbation command to the attitude filter (68) and a command translator (72). Effects of the attitude perturbation are used by the DFE filter (66) to estimate the effects of...

대표
청구항

[ What is claimed is:] [1.] A method for precisely modeling attitude of a physical platform, said attitude being responsive to unknown disturbance forces, and said method comprising the steps of:a) repetitively measuring said attitude;b) obtaining a trigger signal which indicates when attitude perturbing events occur;c) estimating effects of said disturbance forces on said attitude in response to said measured attitude and said trigger signal, said estimated effects being characterized by a feed forward signal; andd) estimating attitude in response to sa...

이 특허에 인용된 특허 (9)

  1. 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.
  2. Gomberg Louis (Redondo Beach CA) Basuthakur Shibu (Rancho Palos Verdes CA) Hayden Joseph H. (Rancho Palos Verdes CA). Magnetic torque attitude control systems. USP1995055413293.
  3. Bender Douglas J. (Redondo Beach CA) Hummel William F. (Los Angeles CA). Method and apparatus for compensating for magnetic disturbance torques on a satellite. USP1996075540405.
  4. Basuthakur Sibnath (Rancho Palos Verde CA) Slafer Loren I. (Los Angeles CA). On-board three-axes attitude determination and control system. USP1995095452869.
  5. Wirthman David J. (Mountain View CA) Higham John S. (Mountain View CA) Baylocq Michel B. (Menlo Park CA) Chu Peter Y. (Palo Alto CA). Post transition momentum management. USP1997085655735.
  6. Small Hunt W. ; Bergesen John E. ; Howley Brian J.. Real time position correction to ground generated spacecraft ephemeris. USP1999015862495.
  7. Challoner A. Dorian (Manhattan Beach CA) von der Embse U. A. (Westchester CA) Mitchell Mark P. (Playa del Rey CA) Chang Donald C. D. (Thousand Oaks CA) Fowell Richard A. (Palos Verdes Estates CA) Hua. Satellite attitude determination and control system with agile beam sensing. USP1989114883244.
  8. Iida Hiroshi,JPX. Spacecraft and an attitude control method for a spacecraft. USP1998085788189.
  9. Renner Udo (Leiden NLX). System for controlling the direction of the momentum vector of a geosynchronous satellite. USP1982044325124.