Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
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Multi-objective Steering Law Design for Attitude Control of a Spacecraft with CMGs
Takahiro SasakiTakashi ShimomuraSayaka Kanata
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JOURNALS OPEN ACCESS

2018 Volume 31 Issue 8 Pages 305-311

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Abstract

Much attention has been paid on CMGs (Control Moment Gyros) as a large torque generator of spacecraft. There are many studies on singularities of CMGs. However, the steering law in their studies has achieved only singularity avoidance in most cases. In this paper, we propose a multi-objective steering law which achieves complete 3-axis attitude control while considering not only singularity avoidance but also another function. First, we introduce a steering law for both singularity avoidance and power optimization. Second, we propose another steering law for both singularity avoidance and achieving preferred gimbal angles. Regarding the control law, we apply a GS (Gain-Scheduled) controller via LPV control theory while introducing a Parameter-Dependent Coordinate Transformation.

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© 2018 The Institute of Systems, Control and Information Engineers
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