A new hierarchical method for fault detection, isolation, and identification of nonlinear systems with applications for in-orbit closed-loop controlled satellites is proposed where fault detection ...

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Many spacecraft using more than 3 reaction wheels for both redundancy and extra maneuverability capabilities. Actuators configuration plays an effective role in the performance of the attitude control ...

The Road Chose Me Join me as I travel the world overland. In 2009 I quit my job and set out on the adventure of a lifetime. After reaching the Arctic Ocean in Alaska I turned south, and over the ...