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论文:2022,Vol:40,Issue(1):62-68 |
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引用本文： |
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邢小军, 韩逸尘, 樊国政, 陈梦萍, 李丰浩. 面向火箭子级精确回收的翼伞最优航迹规划算法研究[J]. 西北工业大学学报 |
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XING Xiaojun, HAN Yichen, FAN Guozheng, CHEN Mengping, LI Fenghao. Research on parafoil optimal flight path planning algorithm for precise recovery of sub-stage booster of rocket[J]. Northwestern polytechnical university |
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| 面向火箭子级精确回收的翼伞最优航迹规划算法研究 |
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| 邢小军, 韩逸尘, 樊国政, 陈梦萍, 李丰浩 |
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| 西北工业大学 自动化学院, 陕西 西安 710072 |
| 摘要: |
| 翼伞是实现运载火箭子级精确回收的一种新的重要手段，针对翼伞在火箭子级回收中易受风场影响、落点误差大的问题，提出了一种基于天牛群算法的翼伞最优航迹规划算法。根据翼伞和某型火箭一子级组合体的动力学和运动学方程建立六自由度模型，并分析火箭一子级归航过程中不同转弯下偏量对前向速度、垂直速度及翼伞航迹规划的影响。在此基础上，将翼伞一子级组合体盘旋削高段的盘旋圈数、盘旋半径和方位角作为寻优参数，应用天牛群算法对组合体进行最优航迹规划，将平均风的影响转换为目标点的飘移，最终获得一条综合考虑能量以及落点精确度的归航航迹。仿真结果表明，所提出的基于天牛群算法的火箭一子级翼伞回收分段最优航迹规划算法收敛速度快，航迹落点精度高。 |
| 关键词:
航迹规划
翼伞
火箭一子级
天牛群算法
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| Research on parafoil optimal flight path planning algorithm for precise recovery of sub-stage booster of rocket |
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| XING Xiaojun, HAN Yichen, FAN Guozheng, CHEN Mengping, LI Fenghao |
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| School of Automation, Northwestern Ploytechnical University, Xi'an 710072, China |
| Abstract: |
| Parafoil is an important novel method to realize the precise recovery of sub-stage booster of rocket. In this paper, a parafoil optimal path planning algorithm based on longicorn algorithm is proposed to solve the problems that the parafoil is easily affected by wind field and the error of landing point is large in the recovery of sub-stage booster of rocket. Firstly, according to the dynamics and kinematics equations of the parafoil and a rocket sub-stage combined system, a 6-degree-of-freedom model of the system was established to analyze the effects of different downward deviation on the forward velocity, vertical velocity and the trajectory planning of the parafoil during the homing process of the rocket sub-stage. On this basis, the number of circling turns, radius and azimuth of the cutting-high section of the combination of the parafoil and the sub-stage booster were taken as the optimal parameters, and the optimal path planning was carried out by using the longicorn algorithm. Finally, a homing path with comprehensive consideration of energy and the accuracy of the landing point was obtained. The simulation results show that the piecewise optimal flight path planning algorithm based on longicorn algorithm proposed in this paper has fast convergence speed and high precision of flight track landing point. |
| Key words:
track planning
parafoil
first-stage booster of rocket
longicorn algorithm
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| 收稿日期: 2021-05-20
修回日期:
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| DOI: 10.1051/jnwpu/20224010062 |
| 基金项目: 国家自然科学基金（61771399）与陕西省自然科学基础研究计划（2020JM-123）资助 |
| 通讯作者:
Email： |
| 作者简介: 邢小军(1976—),西北工业大学副教授,主要从事飞行控制、导航理论及应用、计算智能理论及应用等研究。e-mail:xxiaojun@nwpu.edu.cn
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参考文献: |
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