In this work feedback control laws are designed for achieving three-axis attitude stabilization of inertial pointing spacecraft using only magnetic torquers. The designs are based on an almost periodic model of geomagnetic field along the spacecraft's orbit. Both attitude plus attitude rate feedback, and attitude only feedback are proposed. Both feedback laws achieve local exponential stability robustly with respect to large uncertainties in the spacecrafts inertia matrix. The latter properties are proved using general averaging and Lyapunov stability. Simulations are included to validate the effectiveness of the proposed control algorithms. © Copyright 2014 by Fabio Celani.
Robust three-axis attitude stabilization for inertial pointing spacecraft using magnetorquers / Celani, Fabio. - 153:(2015), pp. 333-352. (Intervento presentato al convegno 2nd International Academy of Astronautics Conference on Dynamics and Control of Space Systems, DyCoSS 2014 tenutosi a Rome; Italy nel 2014).
Robust three-axis attitude stabilization for inertial pointing spacecraft using magnetorquers
CELANI, FABIO
2015
Abstract
In this work feedback control laws are designed for achieving three-axis attitude stabilization of inertial pointing spacecraft using only magnetic torquers. The designs are based on an almost periodic model of geomagnetic field along the spacecraft's orbit. Both attitude plus attitude rate feedback, and attitude only feedback are proposed. Both feedback laws achieve local exponential stability robustly with respect to large uncertainties in the spacecrafts inertia matrix. The latter properties are proved using general averaging and Lyapunov stability. Simulations are included to validate the effectiveness of the proposed control algorithms. © Copyright 2014 by Fabio Celani.File | Dimensione | Formato | |
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