Application of model following control and estimation techniques to attitude control of maneuvering spacecraft. Part 1: Theory and simulation results

Details Application of model following control and estimation techniques to attitude control of maneuvering spacecraft. Part 1: Theory and simulation results Application of model following control and estimation techniques to attitude control of maneuvering spacecraft. Part 1: Theory and simulation results

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982stin...8528957z&link_type=abstract

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Astronomy and Astrophysics

Astronomy

Algorithms, Control Simulation, Data Sampling, Satellite Attitude Control, Spacecraft Maneuvers, Airborne/Spaceborne Computers, Guidance Sensors, Gyroscopes, Infrared Astronomy Satellite, Kalman Filters, Reaction Wheels, Strapdown Inertial Guidance

Scientific paper

An approach to on-board sampled data estimation and control of the attitude motion of maneuvering spacecraft is presented. Algorithms for model following control of attitude maneuvers; estimation of spacecraft state (attitude, angular velocity, disturbance, torque); and optical-inertial attitude determination, with estimation of gyro parameters (drift rate bias, scale factor error) were developed. The algorithms were validated in single-axis software simulations of an attitude control system of the type used in the Infrared Astronomical Satellite. The control system comprises a strapdown rate-integrating gyro and a slit-type star sensor for optical-inertial attitude sensing, a reaction wheel actuator, and a digital on-board computer. The truth models for simulation of the hardware components are discussed.

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