高超声速滑翔飞行器三维自主再入制导方法

被引：3
作者：
吴旭忠
唐胜景
郭杰
机构：
[1] 北京理工大学宇航学院飞行器动力学与控制教育部重点实验室
来源：
南京航空航天大学学报 | 2014年 / 46卷 / 03期
关键词：
飞行器设计; 轨迹规划; 再入制导;
D O I：
10.16356/j.1005-2615.2014.03.019
中图分类号：
V448.2 [航天器制导与控制];
学科分类号：
081105 ;
摘要：
在严苛的热流、动压、过载等约束下,为了使高超声速滑翔飞行器在无动力再入过程中经过预先设定的航路点最终到达末端能量管理界面,提出一种基于轨迹在线生成加跟踪制导思路的三维自主再入制导方法。将再入轨迹分为初始下降段和滑翔段。初始下降段采用定常迎角和倾斜角策略。滑翔段轨迹在线生成分解为纵向规划和侧向规划:纵向规划中用于确定航程的阻力加速度-能量剖面由再入走廊上边界和下边界内插得到,侧向规划采用降阶的侧向运动方程根据航路点约束确定倾侧角反转的时刻。最后对该制导方法进行了仿真分析,仿真结果表明该制导方法能够在满足各种路径和终端约束要求下完成制导任务。
引用
收藏
页码：463 / 468
页数：6
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