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论文:2018,Vol:36,Issue(3):590-596 |
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引用本文： |
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徐方暖, 邓子辰, 王博, 魏乙, 李庆军. 太阳光压作用下空间太阳能电站的动力学响应[J]. 西北工业大学学报 |
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Xu Fangnuan, Deng Zichen, Wang Bo, Wei Yi, Li Qingjun. Dynamic Response of Solar Power Satellite Considering Solar Radiation Pressure[J]. Northwestern polytechnical university |
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| 太阳光压作用下空间太阳能电站的动力学响应 |
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| 徐方暖1, 邓子辰1, 王博2, 魏乙3, 李庆军1 |
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1. 西北工业大学 工程力学系, 陕西 西安 710072;
2. 钱学森空间技术实验室, 北京 100094;
3. 西北工业大学 应用数学系, 陕西 西安 710072 |
| 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。 |
| 关键词:
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
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| Dynamic Response of Solar Power Satellite Considering Solar Radiation Pressure |
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| Xu Fangnuan1, Deng Zichen1, Wang Bo2, Wei Yi3, Li Qingjun1 |
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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 |
| Abstract: |
| 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
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| 收稿日期: 2017-04-01
修回日期:
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| DOI: |
| 基金项目: 国家自然科学基金（11432010）资助 |
| 通讯作者:
Email： |
| 作者简介: 徐方暖(1981-),西北工业大学讲师,主要从事飞行器动力学与控制及辛算法研究。
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| 作者相关文章 |
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| 徐方暖 在本刊中的所有文章 |
| 邓子辰 在本刊中的所有文章 |
| 王博 在本刊中的所有文章 |
| 魏乙 在本刊中的所有文章 |
| 李庆军 在本刊中的所有文章 |
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