Exact Feedback Linearization and Control of Space Station Using CMG

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Based on feedback linearization theory, an approach to attitude control of a space station using control moment gyros (CMGs) is developed. A linearizing transformation is derived to obtain a simple linear representation of the nonlinear pitch axis dynamics. A feedback control law for trajectory tracking is derived. Extension of this approach to linearization of the coupled yaw and roll axis dynamics and control is presented.


Angular velocity; Control systems; Differential equations; Feedback control systems; Gyroscopes; Linear feedback control systems; Nonlinear dynamical systems; Nonlinear equations; Space stations; Space stations — Attitude control systems; Space stations – Dynamics; Space vehicles – Dynamics; Vehicle dynamics


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