Abstract
AbstractWith the development of space technology, satellites with large inertia rotating loads have been paid more and more attention. At the same time, the payload of this kind of satellite has the characteristics of large inertia, three-axis coupling and large mass, which make the analysis of dynamic or static imbalance very difficult. In this paper, based on SimMechanics, a satellite dynamics model with a large inertia rotating load is established, and the influence of the dynamic unbalance, static unbalance and disturbance torque of the load platform on the satellite platform is analyzed by simulation, the mechanism and characteristics of the load unbalance are studied. The law of the influence of the unbalance of the load platform on the attitude characteristics of the satellite platform is obtained. The motion law of the center of mass of the satellite and load platform is investigated. It lays the foundation for further in-depth research later.KeywordsLarge inertia rotating loadSimMechanicsModelingImbalance
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