| 基于傅里叶展开的电动力绳系卫星最优控制 |
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| 引用本文： | 潘伟,路长厚,李吉栋,孔令敏.基于傅里叶展开的电动力绳系卫星最优控制[J].航空学报,2011,32(9):1714-1721. |
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| 作者姓名： | 潘伟 路长厚 李吉栋 孔令敏 |
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| 作者单位： | 山东大学机械工程学院,山东济南,250061 |
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| 基金项目： | 国家“863”计划(2010AA0273); 山东大学自主创新基金(2009TS132)~~ |
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| 摘 要： | 电动力绳系卫星的推力幅值较小且方向固定,完成轨道机动任务的周期长,其最优控制问题的求解比较困难.采用在傅里叶空间描述的轨道动力学模型,将控制量电流表示为傅里叶级数的形式,并推导了用傅里叶系数作为参量的椭圆轨道运动的平均轨道根数方程.在此基础上构造了电动力绳系卫星轨道机动的最优控制模型,通过直接配置法将其转化为非线性规划...
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| 关 键 词： | 电动力绳系卫星 最优控制系统 傅里叶级数 直接配置法 平均轨道要素法 |
| 收稿时间： | 2011-01-04; |
Optimal Control of Electrodynamic Tethered Satellites Based on Fourier Series Expansion |
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| PAN Wei,LU Changhou,LI Jidong,KONG Lingmin.Optimal Control of Electrodynamic Tethered Satellites Based on Fourier Series Expansion[J].Acta Aeronautica et Astronautica Sinica,2011,32(9):1714-1721. |
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| Authors: | PAN Wei LU Changhou LI Jidong KONG Lingmin |
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| Institution: | PAN Wei*,LU Changhou,LI Jidong,KONG LingminSchool of Mechanical Engineering,Shandong University,Ji'nan 250061,China |
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| Abstract: | Electrodynamic tethered satellites with low thrust-to-weight ratios can only perform orbital transfers over a large number of revolutions,which poses a real challenge to short time scale optimal control.An approach to multi-revolution,large-time-scale optimal control of electrodynamic tethered satellites is investigated in this paper using an orbital averaging technique based on Fourier series expansion.The control profile is transformed in Fourier space and the secular dynamics equations in arbitrary ellip... |
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| Keywords: | electrodynamic tethered satellite optimal control system Fourier series direct collocation orbital averaging |
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