What is it about?
For some space missions, the spacecraft needs to observe the target at an exact time. This paper shows a simple and efficient way to drive the spacecraft to rotate to align with the desired direction at an prescribed time.
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This page is a summary of: Closed-Loop, Exact-Time, Minimum-Energy Attitude Control with Analytic Gain Selection, Journal of Guidance Control and Dynamics, November 2020, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/1.g005336.
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