基于物理规划的高超声速飞行器滑翔式再入轨迹优化.pdf

文档介绍：第卷 5 航空学报 V0129No5
焦 9 AERONAUTICA .
文章编号:———
基于物理规划的高超声速飞行器
滑翔式再入轨迹优化
雍恩米,陈磊,唐国金
揽萍即笱Ш教煊氩牧瞎こ萄г海铣ど
Gliding Reentry Vehicle
Based the Programming
, LeiTang
Aerospace and EngineeringNational
Defense , ,
摘要:轨迹优化是新型高超声速滑翔式再人飞行器方案设计的关键技术之一。物理规划方法能够以较低
的计算代价获得设计者偏好的多目标优化问题的折中解。基于该方法研究滑翔式再人最优飞行轨迹。首先
介绍物理规划方法求解多目标优化问题的数学模型,然后将考虑射程最大、热载最小、热流密度峰值最小和弹
4
并分析单目标优化结果,确定具体的偏好结构,采用遗传算法求解了考虑热流、过载、动压和终端条件约束的
多目标最优轨迹。优化计算结果验证了物理规划方法的有效性。分析了沿最优轨迹飞行的物理原因和基本
迎角控制规律,可为滑翔式再入飞行器的最优轨迹方案设计提供依据。
关键词:多目标轨迹优化;物理规划;遗传算法;高超声速飞行器;滑翔式再人
V4121A
: one the key factors the new
vehiclesThe
gliding reentry optimal gliding reentry are based the
ming(PP)methodwhich capable multi-objective problem
and reflect the fundamental
computational intensity designerSpreferenceThe process solving

objective 瓵 thenthe problem glide reentry —
established using , which objectivesmaximum琺 loadminimum
value heating and minimum oscillation are taken 瓵 cone-shaped reentry vehi-
ele taken a numerical 甌 structure the sin
gle-objective optimizationAndthe 猳 optimal reentry ic algorithm
The constraints heating , and dynamic are consideredThenumerical results
the the methodThe causation the optimal and the correspond-
ing — profile are presentedIt a reference for schematic for gliding
reentry .
Key wordsmultiobjective ; 籫 algorithmhypersonicvehi-
籫 reentry
近