| 充液挠性航天器的建模与动力学分析 |
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| 引用本文： | 贾英宏,徐世杰,聂润兔. 充液挠性航天器的建模与动力学分析[J]. 北京航空航天大学学报, 2003, 29(1): 35-38 |
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| 作者姓名： | 贾英宏 徐世杰 聂润兔 |
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| 作者单位： | 1.哈尔滨工业大学 航天工程与力学系 |
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| 基金项目： | 国家自然科学基金;19972002; |
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| 摘 要： | 借助于Kane方法建立了充液中心刚体上带有挠性附件的航天器的开链多体动力学模型.采用了混合坐标法和弹簧-质量块液体晃动等效力学模型,所得方程形式简洁.由于引入了2级附件,该模型具有更强的通用性.以跟踪与数据中继卫星为例,给出了数值仿真结果.
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| 关 键 词： | 挠性 航天器 动力学 充液 Kane方法 |
| 文章编号： | 1001-5965(2003)01-0035-04 |
| 收稿时间： | 2001-07-06 |
| 修稿时间： | 2001-07-06 |
Modeling and dynamics analysis of liquid-filled flexible spacecraft |
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| Jia Yinghong,Xu Shijie,Nie Runtu. Modeling and dynamics analysis of liquid-filled flexible spacecraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(1): 35-38 |
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| Authors: | Jia Yinghong Xu Shijie Nie Runtu |
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| Affiliation: | 1.Dept. of Astronautic Engineering and Mechanics, Harbin Institute of Technology2. School of Astronautics, Beijing University of Aeronautics and Astronautics3. Tianjin Institute of Civil Aviation |
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| Abstract: | This paper deals with the modeling problem of a spacecraft consisting of a liquid filled rigid platform and some flexible appendages. The spacecraft is modeled by using the Kane's equations. Hybrid coordinate and spring mass equivalent model for liquid sloshing are adopted in the modeling. With two class appendages, the multi body open chain dynamic model can be applied more universally. Simulation results on a sample of tracking and data relay satellite were given to show the validity of the proposed model. |
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| Keywords: | flexibility spaceships dynamics liquid filled Kane's equations |
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