Issue |
JNWPU
Volume 36, Number 3, June 2018
|
|
---|---|---|
Page(s) | 590 - 596 | |
DOI | https://doi.org/10.1051/jnwpu/20183620590 | |
Published online | 08 October 2018 |
Dynamic Response of Solar Power Satellite Considering Solar Radiation Pressure
太阳光压作用下空间太阳能电站的动力学响应
1
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
Received:
1
April
2017
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.
摘要
研究了太阳光压作用下绳系空间太阳能电站的姿态和结构振动动力学响应。将太阳能电池板简化为Euler-Bernoulli梁,平台看作质点,绳子看作无质量的弹簧,建立了绳系空间太阳能电站的简化模型。采用绝对节点坐标法将梁离散,通过Hamilton原理建立了系统的动力学方程。采用辛Runge-Kutta方法进行数值仿真,通过数值算例验证了新模型和数值方法的有效性。最后,数值仿真表明,结构振动和太阳光压均会使系统的姿态产生小幅度振荡,太阳光压对结构振动产生的影响可忽略不计。
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.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.