高超声速滑翔式飞行器目标覆盖范围的计算方法  

Footprint Calculation for Hypersonic Glide Vehicle

作　　者：汪雷[1] 刘欣[1] 杨涛[1] 张梦樱 

机构地区：[1]国防科学技术大学航天科学与工程学院,长沙410073

出　　处：《弹道学报》2014年第1期50-55,共6页Journal of Ballistics

摘　　要：为解决飞行器任务规划的相关问题,给出了利用优化算法求解目标覆盖范围的基本流程。在合理选择优化指标与约束条件的情况下,计算一系列最优弹道以得到目标覆盖范围边界。为实现计算的快速性,提出了一种基于高度-速度剖面跟踪的目标覆盖范围求解方法。仿真结果表明,2种方法均能完成目标覆盖范围的计算,其中基于弹道优化的方法计算精度较高,基于弹道跟踪方法则在计算速度方面具有优势,二者可分别满足不同场合的计算需求。In order to solve the relavent problems of the reentry mission planning,the basic flow chart for calculating the footprint by optimization algorithm was given.A method based on traj ectory optimization was presented.The footprint of the hypersonic vehicle was obtained by calculating a series of optimal traj ectories under appropriate cost function and traj ectory constraint.A method based on traj ectory tracking was presented for the sake of obtaining the footprint quickly,and it created a reentry corridors in height vs velocity profile to meet the path constraints and obtain the whole footprint.The results show that both methods can accomplish the footprint calculation.The method based on traj ectory optimization can obtain more accurate footprint;the method based on traj ectory tracking has faster compute speed.The two methods can meet the calculation requirements under different conditions separately.

关 键 词：高超声速飞行器 弹道优化 反馈线性化 

分 类 号：V448.235[航空宇航科学与技术—飞行器设计]