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Alternative TitleAttitude-Structure Coupled Modeling and Dynamics of Space Solar Power Station
穆瑞楠; 王艺睿; 谭述君; 吴志刚; 齐朝晖
Source Publication宇航学报
Keyword空间太阳能电站 连续体等效建模 柔性梁 姿态-结构耦合 重力梯度
Other AbstractWith the continuum modeling method based on the energy equivalent principle,the configuration of the multi-rotary joints SPS is simplified to an equivalent flexible beam model.In the presence of the gravity gradient,the coupling dynamical model of the attitude motion and structural vibration is established.The improved method which combines the Runge-Kutta method with the Newmark method is proposed for the coupling equations of the attitude motion and structure vibration.The numerical efficiency is greatly improved compared with the classical Runge-Kutta method.It is used to obtain the dynamical responses under the different parameters.The relationship is derived that the order of magnitude of the structural vibration increases with the sixth order of magnitude of the structural size.The instability phenomenon which may be caused by the extreme oversize is found through the simulation results.The influence of the rotation and the gravity gradient on the frequency and the amplitude of the structural vibration is investigated.The increase of the period of the attitude motion due to the flexibility of the structure is discussed,which is more obvious in the lower orbit and the larger initial attitude angle.
Indexed ByCSCD
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Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
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GB/T 7714
穆瑞楠,王艺睿,谭述君,等. 空间太阳能电站姿态运动-结构振动耦合建模与分析[J]. 宇航学报,2018,39(6):615-623.
APA 穆瑞楠,王艺睿,谭述君,吴志刚,&齐朝晖.(2018).空间太阳能电站姿态运动-结构振动耦合建模与分析.宇航学报,39(6),615-623.
MLA 穆瑞楠,et al."空间太阳能电站姿态运动-结构振动耦合建模与分析".宇航学报 39.6(2018):615-623.
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