高超声速飞行器侧向机动制导方法研究

Research on Lateral Maneuver Guidance Method of Hypersonic Vehicle

飞行器再入过程中可能需要绕飞禁飞区,若依据偏差距离来确定反转点的倾侧角反转逻辑,难以满足高超声速滑翔飞行器大横程侧向机动的要求。为此,提出了一种基于碰撞圆锥的再入侧向制导方法,通过制定飞行器侧向机动制导方案,设计侧向制导逻辑,使飞行器在满足终端约束的条件下较好地规避禁飞区,增强机动突防能力。仿真结果表明,在保证制导精度的前提下,侧向机动制导方法能够使飞行器满足禁飞区规避的要求。

While the aircraft may need to fly around the no fly zone during reentry,it was difficult to meet the requirement of the hypersonic glide vehicle′s lateral maneuver with a large transverse range if the method of heeling angle reversal logic was still used to determine the reversal point based on the deviation distance.For this reason,a reentry lateral guidance method based on collision cone was proposed,and the lateral guidance logic was designed to make the aircraft better avoid the no fly zone under the condition that the aircraft met the terminal constraint.Simulation results show that under the premise of ensuring the guidance accuracy,the lateral maneuver guidance method can meet the requirements of the aircraft to evade the no fly zone.