Volume 36, Number 3, June 2018
|Page(s)||590 - 596|
|Published online||08 October 2018|
Dynamic Response of Solar Power Satellite Considering Solar Radiation Pressure
Department of Engineering Mechanics, Northwestern Polytechnical University, Xi’an 710072, China
2 Qian Xuesen Laboratory of Space Technology, Beijing 100094, China
3 Department of Applied Mathematics, Northwestern Polytechnical University, Xi’an 710072, China
The attitude and structural vibration of tethered solar power satellite were studied considering solar radiation pressure. Firstly, the simplified model of tethered solar power satellite was established. The solar panel was modeled as an Euler-Bernoulli Beam, the bus was modeled as a particle, and the tethers were modeled as massless springs. The equations of motion were derived based on absolute nodal coordinate formulation and Hamilton’s principle. Then, Symplectic Runge-Kutta method was adopted to solve the differential equations. The proposed model and numerical algorithm were validated through a numerical example. Finally, numerical simulations were carried out. Simulation results showed that solar radiation pressure as well as structural vibration cause small fluctuation of the attitude angle. Moreover, the effect of solar radiation pressure on structural vibration can be neglected.
Key words: solar power satellite / solar radiation pressure / absolute nodal coordinate formulation / symplectic algorithm / hamiltonian system / space tethers / elastic deformation
关键字 : 空间太阳能电站 / 太阳光压 / 绝对节点坐标法 / 辛算法 / Hamilton系统 / 空间系绳 / 弹性变形
© 2018 Journal of Northwestern Polytechnical University. All rights reserved.
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