Spacecraft thermal disturbance control system

Details Spacecraft thermal disturbance control system Spacecraft thermal disturbance control system

1991-06-26

1993-05-18

Barefoot, Galen

Aeronautics and astronautics

Spacecraft

Attitude control

244158, 244168, 244173, 364434, B64G 124

Patent

active

052113604

ABSTRACT:
A spacecraft thermal disturbance control system for controlling the torque exerted on the main portion of a spacecraft as a result of a thermal gradient being applied to a portion of the spacecraft that projects from the spacecraft's main portion. The spacecraft thermal disturbance control system includes a network of distributed temperature sensors located on the surfaces of the projecting portion of the spacecraft, a microcomputer operatively connected to the temperature sensors for receiving temperature information from the temperature sensors and a reaction wheel assembly operatively connected to the microcomputer. The microcomputer provides command signals to the reaction wheel assembly based upon temperature information received from the temperature sensors to cause the reaction wheel assembly to generate a torque that counteracts the torque exerted on the main portion of the spacecraft as a result of the thermal gradient applied to the projecting portion of the spacecraft.

REFERENCES:
patent: 3681583 (1972-08-01), Kubo et al.
patent: 3968352 (1976-07-01), Ardeen
patent: 4071211 (1978-01-01), Muhlfelder et al.
patent: 4325124 (1982-04-01), Renner
patent: 4345728 (1982-08-01), Neufeld
patent: 4732354 (1988-03-01), Lierre
patent: 4949922 (1990-08-01), Rosen
patent: 5020745 (1991-01-01), Stetson

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