跳跃滑翔弹道补能策略研究  

Analysis of Energy Supply Strategy for Hypersonic Skip-glide Trajectory

作　　者：柴琨琦 张刊刊 王健 杨令飞 Chai Kunqi;Zhang Kankan;Wang Jian;Yang Lingfei(Beijing Aerospace Technology Institute,Beijing 100074,China)

机构地区：[1]北京空天技术研究所,北京100074

出　　处：《战术导弹技术》2020年第3期23-29,58,共8页Tactical Missile Technology

摘　　要：针对高超声速跳跃滑翔弹道,采用Gauss伪谱法进行弹道优化设计,选取优化弹道的典型特征点设置补能策略。对补能过程中不同攻角规律带来的速度增量进行拟合,通过寻优并考虑弹道衔接,确定最佳补能攻角。基于补能结束点的飞行状态参数,再次采用Gauss伪谱法优化飞行轨迹。对比了在不同弹道极高点和弹道极低点进行补能对飞行轨迹、攻角、热流、动压、过载等典型参数的影响,得到了补能时机对飞行轨迹影响的规律,确定了跳跃滑翔弹道补能策略的选取原则。For the hypersonic jump glide trajectory,Gauss pseudospectral method is used to optimize its trajectory,and the typical characteristic points of the optimized trajectory are selected to set up the energy supplement strategy. The velocity increment caused by different angle of attack rules is fitted,and the optimal angle of attack is determined by optimizing and considering trajectory connection. Based on the parameters of the flight state at the end of the supplementary energy,the Gauss pseudospectral method is used to optimize the flight trajectory. Besides,the effects of energy supplement on flight trajectory,angle of attack,heat flow,dynamic pressure,overload and other typical parameters at different high and low points of trajectory are compared,the rules of energy supplement timing on flight trajectory are obtained,and the selection principle of energy supplement strategy for jump glide trajectory is determined.

关 键 词：跳跃滑翔弹道 高超声速 滑翔补能 GAUSS伪谱法 飞行轨迹 弹道优化 

分 类 号：V475.9[航空宇航科学与技术—飞行器设计]