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论文:2015,Vol:33,Issue(1):116-122 |
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引用本文： |
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何磊, 闫晓东. 一种改进的末端区域能量管理轨迹设计与制导方法[J]. 西北工业大学学报 |
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He Lei, Yan Xiaodong. An Improved Trajectory Design and Guidance Method for Terminal Area Energy Management[J]. Northwestern polytechnical university |
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| 一种改进的末端区域能量管理轨迹设计与制导方法 |
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| 何磊1, 闫晓东1,2 |
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1. 西北工业大学航天学院, 陕西西安 710072;
2. 航天飞行动力学技术重点实验室, 陕西西安 710072 |
| 摘要: |
| 末端区域能量管理是重复使用运载器实现精确无动力水平着陆非常重要的一个飞行阶段。本文将末端区域能量管理段水平轨迹和纵向轨迹分开设计,参数化的水平轨迹设计包含3个校正圆,以实现航向、航程以及位置的精确调整;纵向轨迹采用2段二次高度-航程曲线以实现对高度和速度的控制。在此基础上,给出了水平和纵向轨迹的跟踪制导方法。仿真结果及其分析表明该轨迹设计方法可以灵活地设计末端区域能量管理段的标称轨迹,且制导方法能够实现标称轨迹的良好跟踪。 |
| 关键词:
末端区域能量管理
可重复使用飞行器
参数化
三圆校正轨迹设计
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| An Improved Trajectory Design and Guidance Method for Terminal Area Energy Management |
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| He Lei1, Yan Xiaodong1,2 |
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1. College of Astronautics, Northwestern Polytechnical University, Xi'an 710072, China;
2. Science and Technology on Aerospace Flight Dynamics Laboratory, Northwestern Polytechnical University, Xi'an 710072, China |
| Abstract: |
| Terminal Area Energy Management (TAEM) is a critical flight phase that brings the unpowered Reusable Launch Vehicle (RLV) to realize accurate horizontal landing. The horizontal and longitudinal trajectory are designed respectively in this paper; the parameterized horizontal trajectory design include three correction circles to adjust accurately heading, range and position; the longitudinal trajectory uses two separate quadratic polynomials to realize the control of altitude and speed. And then the guidance methods are given. Simulation results and their analysis show preliminarily that the TAEM nominal trajectory is designed flexibly and well suited to tracking the nominal trajectory. |
| Key words:
terminal area energy management
reusable launch vehicle
parameterizaiton
trajectory design of three correction circles
polynomials
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| 收稿日期: 2014-04-28
修回日期:
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| DOI: |
| 基金项目: 高校博士学科点新教师基金(20116102120004)与国家863计划(NCDH0009)资助 |
| 通讯作者:
Email： |
| 作者简介: 何磊(1988-),西北工业大学硕士研究生,主要从事空天飞行器动力学与制导研究。
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| 作者相关文章 |
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| 何磊 在本刊中的所有文章 |
| 闫晓东 在本刊中的所有文章 |
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参考文献: |
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