宇航学报

宇航学报 ›› 2016, Vol. 37 ›› Issue (8): 984-991.doi: 10.3873/j.issn.1000-1328.2016.08.011

• 制导、导航与控制 • 上一篇    下一篇

反时敏目标机动再入飞行器滑翔制导方法

陈思远，夏群利，李强   

  1. 1. 北京理工大学宇航学院，北京100081；2. 北京航天长征飞行器研究所，北京 100076
  • 收稿日期:2015-09-28 修回日期:2015-11-10 出版日期:2016-08-15 发布日期:2016-08-25

Glide Guidance Method for Maneuverable Reentry Vehicle Against Time Sensitive Target

CHEN Si yuan, XIA Qun li, LI Qiang   

  1. 1. School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China；
    2. Beijing Institute of Space Long March Vehicle, Beijing 100076, China
  • Received:2015-09-28 Revised:2015-11-10 Online:2016-08-15 Published:2016-08-25

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摘要：

针对多约束条件下反时敏目标任务需求，开展了基于轴对称侧滑转弯(STT)控制的机动再入飞行器滑翔制导方法研究，提出一种纵向和侧向共同实施的在线自主制导方法。纵向通过高度-射程（H-R）剖面与高度-速度（H-V）剖面联合设计，在满足约束的可行域内快速生成一条参考轨迹，并根据目标变化实时修正，同时完成参考轨迹跟踪。侧向通过引入当前需用速度和目标位置变化信息，推导了闭环制导方法，实现速度控制与目标位置跟踪。仿真结果表明，本方法可兼顾轨迹生成快速性和响应目标位置变化，能够在满足过程约束与终端约束要求下完成制导任务。

关键词: 反时敏目标, 机动再入飞行器, 滑翔制导, 高度-射程剖面, 机动减速

Abstract:

According to the requirements for fighting against time-sensitive target under multiple constraints, the glide guidance methods for maneuverable reentry vehicle based on axisymmetric skid-to-turn (STT) control are studied to propose an online self-contained guidance method implemented both longitudinally and laterally. Longitudinally, based on the combined design of height-range (H-R) profile and height-velocity (H-V) profile, reference trajectory is generated rapidly within the feasible region that satisfies constraints, modified in real time according to target changes and tracked. Laterally, the closed-loop guidance method is inferred by bringing in the needed velocity and target location change information to control the velocity and track target location. As shown by simulation result, this method can take into account both the rapidity of trajectory generation and the changes in time-sensitive target location to complete the guidance mission on the conditions of satisfying the requirements of process and terminal constraints.

Key words: Against time-sensitive target, Maneuverable reentry vehicle, Glide guidance；Height-range profile, Maneuverable deceleration

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