Large flexible structures such as solar wing and antenna usually rotate relative to the spacecraft body, which will lead to the change of dynamic parameters of spacecraft system. This change of parameters will bring severe challenges to the design of high-precision attitude control system of flexible spacecraft. Due to the expanding scope of human exploration in outer space, it is difficult to meet the needs of deep space exploration missions with conventional spacecraft. The new solar sail spacecraft has become a hot spot in the field of deep space exploration technology. The dynamic models of flexible solar sail spacecraft include multi-body dynamics, rigid-flexible coupling dynamics and solar radiation pressure model. The complex dynamic characteristics make its attitude control design very challenging. Aiming at the flexible solar sail spacecraft with control lever, this paper plans the spacecraft attitude maneuver path to alleviate the contradiction between rapidity and overshoot in traditional control and reduce the vibration of flexible attachment caused by attitude maneuver.
Spacecraft dynamics modeling and attitude control based on Path Planning
2021-09-24
4680479 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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