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- W2369402583 abstract "To study disturbance of flexible antenna surface on a free-floating satellite antenna,the fixed-interface component-mode synthesis method and Lagrange's equations were used to achieve a lower order dynamic model by modal truncation.Under large scale motions,the rigid-flexible coupled dynamic model of the free-floating flexible satellite antenna was deduced through using compatibility relations at the interface between axis end and antenna surface,and neglecting the elastic deformation of the flexible antenna surface.So the model increased the computing efficiency without losing much accuracy.Finally,the free-floating satellite antenna dynamic behavior was analyzed considering the flexible antenna surface as a rigid body and a flexible one,separately.The result showed that the flexible antenna surface has little effect on the satellite base attitude and the antenna pointing at initial stage,but its own elastic vibration grows with the continuous action of joint torques;further,it makes the system vibrate and the deviations of the satellite base attitude and the antenna pointing become larger;the satellite antenna pointing accuracy is seriously affected.The results were valuable for analysis and control of satellite antenna pointing accuracy." @default.
- W2369402583 created "2016-06-24" @default.
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- W2369402583 date "2011-01-01" @default.
- W2369402583 modified "2023-09-24" @default.
- W2369402583 title "Disturbance of flexible antenna surface on a satellite antenna" @default.
- W2369402583 hasPublicationYear "2011" @default.
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