Wheel speed control system for spacecraft with rejection of null

Details Wheel speed control system for spacecraft with rejection of null Wheel speed control system for spacecraft with rejection of null

1998-07-28

2000-10-31

Zanelli, Michael J.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Aeronautical vehicle

701 3, 244158R, 244165, 244166, B64G 128, G05D 100

Patent

active

061416061

ABSTRACT:
A spacecraft attitude control system uses at least four reaction wheels In order to minimize reaction wheel speed and therefore power, a wheel speed control means system is provided. The wheel speed control means monitors the wheel speeds and controls wheel speed nullspace components to keep the wheel speeds as small as possible.

REFERENCES:
patent: 4071211 (1978-01-01), Muhlfelder et al.
patent: 4260942 (1981-04-01), Fleming
patent: 5058835 (1991-10-01), Goodzeit et al.
patent: 5201833 (1993-04-01), Goodzeit et al.
patent: 5205518 (1993-04-01), Stetson, Jr.

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