[특허]Eccentricity control strategy for inclined geosynchronous orbits

Hughes Electronics Corporation

Eccentricity control strategy for inclined geosynchronous orbits

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64G-001/00 B64G-001/22 G01G-007/78 G01C-021/00 G05D-001/00 G05D-003/00 G06F-017/00 G06F-007/00
출원번호	US-0468701 (1999-12-21)
발명자 / 주소	McAllister Jeoffrey R. Fowell Richard A.
출원인 / 주소	Hughes Electronics Corporation
대리인 / 주소	Gates & Cooper LLP
인용정보	피인용 횟수 : 15 인용 특허 : 8

초록 ▼

A method, apparatus, article of manufacture, and a memory structure for controlling the eccentricity of an orbit. One embodiment of the present invention is described by a method comprising the step of performing a program of eccentricity control maneuvers wherein the control maneuvers are executed at times and in directions selected to apply substantially all eccentricity control along a line of antinodes. In one embodiment, the control maneuvers arc tangential maneuvers, and each control maneuver is applied near the line of antinodes. Provision is made for performing additional maneuvers, including node retargcting maneuvers during specified intervals. Another embodiment of the invention is described by a satellite in a substantially geosynchronous orbit having a satellite control system with a processor implementing instructions to perform control maneuvers as described above. Yet another embodiment of the present invention is described by a command facility comprising a processor for implementing instructions to perform the program control maneuvers described above, and a communicatively coupled transmitter for transmitting the commands to the satellite.

대표청구항 ▼

[ What is claimed is:] [1.]1. A method of controlling an eccentricity of a satellite orbit characterizable by a line of antinodes, comprising the step of:performing a program of control maneuvers wherein the control maneuvers are executed at times and in directions selected to apply substantially all eccentricity control (.DELTA.e.sub.man) along the line of antinodes such that an argument of perigee of the satellite orbit during the at least one year changes by greater than 180 degrees if the program of control maneuvers are performed for at least one year.

이 특허에 인용된 특허 (8)

Turner Andrew E. (Palo Alto CA), Apogee at constant time-of-day equatorial (ACE) orbit.
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Castiel David (Washington DC) Draim John E. (Washington DC) Brosius Jay (Washington DC), Elliptical orbit satellite, system, and deployment with controllable coverage characteristics.
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Pocha Jehangir J. (Stevenage GB2) Studd A. C. (Stevenage GB2), Geostationary satellite system.
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Gamble Donald W. (Menlo Park CA) White Lisa K. (Menlo Park CA) Kelly Thomas J. (Franklin OH) Bingaman Ronald H. (Davis CA), Method for controlling east/west motion of a geostationary satellite.
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Perrotta Giorgio (Rome ITX), Satellite telecommunications and remote sensing system based on the use of short-period sun-synchronous elliptical orbit.
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Brock J. Kurt (Mountain View CA) Stratemeier Darren R. (Mountain View CA) Williams Eugene L. (San Jose CA), Steered perigee velocity augmentation.
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Dondl Peter (Rossdorf DEX), Telecommunications satellite system on quasi-stationary orbits.
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Draim John E. (9310 Telfer Ct. Vienna VA 22180), Tetrahedral multi-satellite continuous-coverage constellation.
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이 특허를 인용한 특허 (15)

Furman,Michael J., Complimentary retrograde/prograde satellite constellation.
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Healy, Liam M., Control system and method for a plane change for satellite operations.
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Majer, Vaclav, Eccentricity control for geosynchronous satellites.
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Burgess,Jeffrey S., Geostationary stationkeeping method.
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Carrico, Jr., John Paul; Craychee, Timothy Adam; Grabowski, III, Henry Casmir, Method and apparatus for initial orbit determination using high-precision orbit propagation and maneuver modeling.
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Jeremiah O. Salvatore, Method and apparatus for operating satellites in orbit.
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Peterson, Glenn E., Method and system for controlling the eccentricity of a near-circular orbit.
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Dargent, Thierry, Method and system for stationing a satellite.
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Hache, Raphaël; Kaltenbach, Alexandre; Tessandori, Stéphane, Method for stationing a satellite and in-orbit testing of its payload.
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Ho, Yiu-hung M., Methods and apparatus for controlling a plurality of satellites using node-synchronous eccentricity control.
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Anzel, Bernard M.; Ho, Yiu-Hung M., Methods and apparatus for node-synchronous eccentricity control.
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Munir, Saghir; Stratemeier, Darren; Price, Xen; Azziz, Yassir; Delgado, Jorge; Jacinto, Justo, Satellite orbit raising using electric propulsion.
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Woo, Byoungsam; Munir, Mohammad Saghir; Chan, Kam K., Spacecraft momentum management.
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Higham, John; Tilley, Scott, Spacecraft transfer orbit techniques.
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Healy, Liam M., System and method for maneuver plan for satellites flying in proximity using apocentral coordinate system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

연합인증

Eccentricity control strategy for inclined geosynchronous orbits