Stabilization and performance of the dynamics of most modern spacecraft is to be achieved by the introduction of on-board automatic control, involving a careful choice of sensors, actuators, and control algorithms embedded in one or more onboard computers. Complications arise when structural deformation in the spacecraft must be taken into account. The is the case with several current as well as future spacecraft, which display unusual geometries and large dimensions, and which are required to satisfy rigorous performance requirements. The control of such spacecraft, displaying non-neglible interaction between control and structural deformation, is the subject of the report. Robust control for spacecraft stabilization is described, as well as control for spacecraft performance. The latter may induce instability, and therefore robustness enhancement is called for. Various alternative approaches are outlined.
Control Law Synthesis for Large Flexible Spacecraft
1991
60 pages
Report
No indication
English
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