[1]周文雅,杨涤,李顺利,等.利用高斯伪谱法求解升力航天器最优再入轨迹[J].南京理工大学学报(自然科学版),2010,(01):85-90.
 ZHOU Wen-ya,YANG Di,LI Shun-li.Using Gauss Pseudospectral Method to Solve Optimal Reentry Trajectory for Lifting Vehicle[J].Journal of Nanjing University of Science and Technology,2010,(01):85-90.
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利用高斯伪谱法求解升力航天器最优再入轨迹
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2010年01期
页码:
85-90
栏目:
出版日期:
2010-02-28

文章信息/Info

Title:
Using Gauss Pseudospectral Method to Solve Optimal Reentry Trajectory for Lifting Vehicle
作者:
周文雅;杨涤;李顺利;
哈尔滨工业大学航天工程系
Author(s):
ZHOU Wen-yaYANG DiLI Shun-li
Department of Astronautics,Harbin Institute of Technology,Harbin 150001,China
关键词:
高斯伪谱法 升力式航天器 路径约束 终端约束 总吸热量最小
Keywords:
gauss pseudospectral method lifting vehicle path constraint terminal constraint minimum total heat absorption
分类号:
V448.2
摘要:
为了获得升力式航天器再入大气后的飞行轨迹,利用高斯伪谱法求解了同时满足路径约束和终端约束条件下的总吸热量最小再入轨迹。其中,路径约束包括驻点热流峰值约束和最大动压约束;终端约束为高度和位置。选取优化控制变量为迎角和倾斜角。仿真结果表明,高斯伪谱法能够快速优化出满足以上优化性能指标和约束条件的再入轨迹。最后,通过对哈密尔顿函数的分析给出了最优性验证。
Abstract:
To obtain the flight trajectory for lifting vehicle after reentry atmosphere,the gauss pseudospectral method(GPM) is used to solve the reentry trajectory with minimum total heat absorption,satisfying both path constraints and terminal constraints.The path constraints include the heat flux peak on stagnation point and maximum dynamic pressure and the terminal constraints include the vehicle’s height and position.The attack angle and bank angle are chosen as optimal control variables.The simulation results indicate that GPM can solve the reentry trajectory to satisfy the above optimization index and constraint conditions.The optimization performance is tested by Hamiltonian analysis.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 周文雅( 1981- ), 男, 博士生, 主要研究方向: 飞行器导航、制导与控制, E-m ail: zhouwenya8066@163. com。
更新日期/Last Update: 2012-11-02