Wheel speed management control system for spacecraft

Details Wheel speed management control system for spacecraft Wheel speed management control system for spacecraft

1990-06-11

1991-10-22

Peters, Jr., Joseph F.

Aeronautics and astronautics

Spacecraft

Attitude control

244171, B64G 128

Patent

active

050588354

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 management system is provided. The management system monitors the wheel speeds and generates a wheel speed error vector. The error vector is integrated, and the error vector and its integral are combined to form a correction vector. The correction vector is summed with the attitude control torque command signals for driving the reaction wheels.

REFERENCES:
patent: 3741500 (1973-06-01), Liden
patent: 4071211 (1978-01-01), Muhlfelder et al.
Ramos, "Air Bearing Testing of a Skewed Reaction Wheel System for Attitude Control," Comstat Tech Review, vol. 9, No. 1, Spring 1979.

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