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Spacecraft Attitude Control

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Attitude refers to a spacecraft’s orientation in space. To be effective and precise in its operations, its attitude must be both stabilized and controlled to precisely point its high-gain antenna, conduct experiments aboard, and perform propulsion maneuvers. Given that attitude cannot be directly measured, its estimation must be calculated through sensor readings. Attitude determination systems […]

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Spacecraft Attitude Dynamics and Control

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Spacecraft attitudes must be stabilized and controlled for various reasons: to point toward Earth so the high-gain antenna may work, achieve precise pointing for experiments onboard, or guide their orbital path. This integrated field investigates sensors, actuators, and algorithms which help orient vehicles to meet desired attitude requirements. Kinematics Kinematic equations describe the movement of

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