Gain Selection for Attitude Stabilization of Earth-Pointing Spacecraft Using Magnetorquers

Aerotecnica Missili & Spazio - Tập 100 Số 1 - Trang 15-24 - 2021
Fabio Celani1
1School of Aerospace Engineering, Sapienza University of Rome, Via Salaria 851, 00138 Roma, Italy

Tóm tắt

AbstractThis paper considers a feedback control law that achieves attitude stabilization for Earth-pointing spacecraft using only magnetorquers as torque actuators. The control law is proportional derivative (PD)-like with matrix gains, and it guarantees asymptotic stability. The PD matrix gains are determined through the numerical solution of a periodic linear quadric regulator problem. A case study shows the effectiveness of the considered control law, and specifically of the gain selection method, in a simplified simulation scenario.

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