Control-Structure Interaction for Space Station Solar Dynamic Power Module

The feasibility of using conventional proportional-integral-derivative (PID) control and an alternative optimal control to perform the pointing and tracking functions of the Space Station solar dynamic power module is investigated. A very large state model of 6 rigid body modes and 272 flexible modes is used in conjunction with classical linear-quadraticGaussian (LQG) optimal control to produce a fullorder controller which satisfies the requirements. The results are compared with a classically designed PID controller that was implemented for a much smaller (6 rigid body, 40 flexible modes) model. From the results, the feasibility of a conventional PID solar dynamic control

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