Fully redundant spacecraft power and attitude control system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02K-007/02
H02K-007/00
출원번호
UP-0580664
(2006-10-13)
등록번호
US-7608951
(2009-11-10)
발명자
/ 주소
Potter, Calvin C.
Corcino, David
Wingett, Paul T.
Hanlon, Casey
출원인 / 주소
Honeywell International Inc.
대리인 / 주소
Ingrassia Fisher & Lorenz, P.C.
인용정보
피인용 횟수 :
1인용 특허 :
18
초록
An energy storage flywheel system for a spacecraft is implemented with a fully redundant rotating group and gimbal actuator. In particular, the gimbal actuator, motor/generator, primary bearings, and secondary bearing actuator are each implemented with a pair of redundant coils or motors.
대표청구항▼
We claim: 1. An energy storage flywheel system, comprising: a shaft; a flywheel assembly mounted on the shaft; a plurality of magnetic bearing assemblies, each magnetic bearing assembly including a primary actuator coil and a secondary actuator coil, each actuator coil adapted to be selectively ene
We claim: 1. An energy storage flywheel system, comprising: a shaft; a flywheel assembly mounted on the shaft; a plurality of magnetic bearing assemblies, each magnetic bearing assembly including a primary actuator coil and a secondary actuator coil, each actuator coil adapted to be selectively energized and deenergized, and configured, when energized, to rotationally mount the flywheel assembly in a non-contact manner; a plurality of secondary bearing assemblies, each secondary bearing assembly configured to selectively rotationally support the shaft; a secondary bearing actuator assembly coupled to one or more of the secondary bearing assemblies, the secondary bearing actuator assembly including a primary drive coil and a secondary drive coil, each secondary bearing actuator assembly drive coil adapted to selectively receive actuator control signals and operable, in response thereto, to cause the secondary bearing actuator assembly to move the one or more secondary bearing assemblies to one of (i) an engage position, in which each secondary bearing assembly rotationally supports the shaft, and (ii) a disengage position, in which each secondary bearing assembly does not rotationally supports the shaft; and a motor/generator coupled the energy storage flywheel and configured to operate in either a motor mode or a generate mode, the motor/generator including a rotor and a stator, the stator including a primary stator coil and a secondary stator coil. 2. The system of claim 1, further comprising: a magnetic bearing control circuit adapted to receive one or more magnetic bearing monitor signals representative of magnetic bearing assembly operability and configured, in response to the magnetic bearing monitor signals, to selectively supply magnetic bearing activation control signals to either the primary actuator or the secondary actuator of each magnetic bearing assembly. 3. The system of claim 1, further comprising: a secondary bearing control circuit adapted to receive one or more signals representative of secondary bearing actuator assembly operability and operable, in response thereto, to selectively supply the actuator control signals to the primary drive coil or the secondary drive coil. 4. The system of claim 1, further comprising: a motor/generator control circuit adapted to receive one or more signals representative of motor/generator operability and operable, in response thereto, to configure the motor/generator to supply or draw power via either the primary stator coil set or the secondary stator coil set. 5. The system of claim 1, wherein: each secondary bearing actuator assembly includes a primary rotor and a secondary rotor; the secondary bearing actuator primary drive coil, upon receiving actuator control signals, causes the secondary bearing actuator assembly primary rotor to rotate; and the secondary bearing actuator secondary drive coil, upon receiving actuator control signals, causes the secondary bearing actuator assembly secondary rotor to rotate. 6. The system of claim 1, further comprising: a gimbal frame; a flywheel housing assembly upon which the shaft is rotationally mounted, the flywheel housing assembly rotationally mounted on the gimbal frame; and a gimbal actuator coupled between the gimbal frame and flywheel housing assembly, the gimbal actuator including at least a primary drive coil and a secondary drive coil, each gimbal actuator drive coil adapted to selectively receive gimbal control signals and operable, in response thereto, to cause the gimbal actuator to move the flywheel housing assembly relative to the gimbal frame. 7. The system of claim 6, further comprising: a gimbal control circuit adapted to receive one or more signals representative of gimbal actuator operability and operable, in response thereto, to selectively supply the gimbal control signals to the primary drive coil or the secondary drive coil. 8. The system of claim 6, wherein: the gimbal actuator includes a primary rotor and a secondary rotor; the gimbal actuator primary drive coil, upon receiving gimbal control signals, causes the gimbal actuator primary rotor to rotate; and the gimbal actuator secondary drive coil, upon receiving gimbal control signals, causes the gimbal actuator secondary rotor to rotate. 9. The system of claim 1, further comprising: a brake assembly coupled to the secondary bearing actuator, the brake assembly including a primary brake coil and a secondary brake coil, each brake coil adapted to receive brake control signals and operable, in response thereto, to selectively inhibit movement of one or more of the secondary bearing actuator assemblies. 10. The system of claim 8, further comprising: a control circuit adapted to receive one or more signals representative of brake assembly operability and operable, in response thereto, to selectively supply the brake control signals to the primary brake coil or the secondary brake coil. 11. The system of claim 1, wherein each of the secondary bearing assemblies comprises a mechanical bearing assembly. 12. An energy storage flywheel system, comprising: a gimbal frame; a flywheel housing assembly g rotationally mounted on the gimbal frame; a shaft rotationally mounted on the housing assembly; a flywheel assembly mounted on the shaft; a plurality of magnetic bearing assemblies, each magnetic bearing assembly including a primary actuator coil and a secondary actuator coil, each actuator coil adapted to be selectively energized and deenergized, and configured, when energized, to rotationally mount the flywheel assembly in a non-contact manner; a plurality of secondary bearing assemblies, each secondary bearing assembly configured to selectively rotationally support the shaft; a secondary bearing actuator assembly coupled to one or more of the secondary bearing assemblies, the secondary bearing actuator assembly including a primary drive coil and a secondary drive coil, each secondary bearing actuator assembly drive coil adapted to selectively receive actuator control signals and operable, in response thereto, to cause the secondary bearing actuator assembly to move the one or more secondary bearing assemblies to one of (i) an engage position, in which each secondary bearing assembly rotationally supports the shaft, and (ii) a disengage position, in which each secondary bearing assembly does not rotationally supports the shaft; a motor/generator coupled the energy storage flywheel and configured to operate in either a motor mode or a generate mode, the motor/generator including a rotor and a stator, the stator including a primary stator coil and a secondary stator coil; and a gimbal actuator coupled between the gimbal frame and flywheel housing assembly, the gimbal actuator including at least a primary drive coil and a secondary drive coil, each gimbal actuator drive coil adapted to selectively receive gimbal control signals and operable, in response thereto, to cause the gimbal actuator to move the flywheel housing assembly relative to the gimbal frame. 13. The system of claim 12, further comprising: a magnetic bearing control circuit adapted to receive one or more magnetic bearing monitor signals representative of magnetic bearing assembly operability and configured, in response to the magnetic bearing monitor signals, to selectively supply magnetic bearing activation control signals to either the primary actuator or the secondary actuator of each magnetic bearing assembly. 14. The system of claim 12, further comprising: a secondary bearing control circuit adapted to receive one or more signals representative of secondary bearing actuator assembly operability and operable, in response thereto, to selectively supply the actuator control signals to the primary drive coil or the secondary drive coil. 15. The system of claim 12, further comprising: a motor/generator control circuit adapted to receive one or more signals representative of motor/generator operability and operable, in response thereto, to configure the motor/generator to supply or draw power via either the primary stator coil set or the secondary stator coil set. 16. The system of claim 12, wherein: each secondary bearing actuator assembly includes a primary rotor and a secondary rotor; the secondary bearing actuator primary drive coil, upon receiving actuator control signals, causes the secondary bearing actuator assembly primary rotor to rotate; and the secondary bearing actuator secondary drive coil, upon receiving actuator control signals, causes the secondary bearing actuator assembly secondary rotor to rotate. 17. The system of claim 12, further comprising: a gimbal control circuit adapted to receive one or more signals representative of gimbal actuator operability and operable, in response thereto, to selectively supply the gimbal control signals to the primary drive coil or the secondary drive coil. 18. The system of claim 12, wherein: the gimbal actuator includes a primary rotor and a secondary rotor; the gimbal actuator primary drive coil, upon receiving gimbal control signals, causes the gimbal actuator primary rotor to rotate; and the gimbal actuator secondary drive coil, upon receiving gimbal control signals, causes the gimbal actuator secondary rotor to rotate. 19. The system of claim 12, further comprising: a brake assembly coupled to the secondary bearing actuator, the brake assembly including a primary brake coil and a secondary brake coil, each brake coil adapted to receive brake control signals and operable, in response thereto, to selectively inhibit movement of one or more of the secondary bearing actuator assemblies. 20. The system of claim 19, further comprising: a control circuit adapted to receive one or more signals representative of brake assembly operability and operable, in response thereto, to selectively supply the brake control signals to the primary brake coil or the secondary brake coil.
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이 특허에 인용된 특허 (18)
Miller Robin M., Backup bearings for positive re-centering of magnetic bearings.
Eisenhaure David B. (Hull MA) Downer James R. (Cambridge MA) Bliamptis Tim E. (Lexington MA) Oberbeck George A. (East Walpole MA) Hendrie Susan D. (Chicago IL), Energy storage attitude control and reference system.
Wingett, Paul T.; Potter, Calvin C.; Giles, Todd R., Energy storage flywheel system with a power connector that integrally mounts one or more controller circuits.
Benedetti Alain (Meulan FRX) Laury Luc (Orsay FRX) Legrand Francis (Rocquencourt FRX) Poubeau Pierre (Le Pecq FRX) Weisser Bernard (Verneuil-sur-Seine FRX), Equipment for storage of energy under kinetic form and recovery thereof in electric form and method of using such equipm.
Hockney Richard L. ; Nichols Stephen B. ; Lansberry Geoffrey B. ; Nimblett Francis E. ; Bushko Dariusz A. ; Rao Gita P. ; Serdar Luka ; Amaral Michael E. ; Stanton William E. ; O'Rourke James, Flywheel power supply having axial magnetic bearing for frictionless rotation.
Rosen Harold A. ; Khalizadeh Claude ; Pano Scott B. ; Kubicky Joseph J. ; Rubin Seymour N., Magnetic bearing system including a control system for a flywheel and method for operating same.
Rosen Harold A. ; Khalizadeh Claude ; Pano Scott B. ; Kubicky Joseph J. ; Rubin Seymour N., Magnetic bearing system including a control system for a flywheel and method for operating same.
Downer James R. (Cambridge MA) Eisenhaure David B. (Hull MA) Oberbeck George (East Walpole MA) Bliamptis Tim E. (Lexington MA) Hendrie Susan D. (Milan ITX), Magnetic suspension system.
Jansen, Ralph H; Trase, Larry M; Dever, Timothy P; Kascak, Peter E; Kraft, Thomas G, Bearingless flywheel systems, winding and control schemes, and sensorless control.
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