文档介绍:国防科技大学学报
第卷第期
29 1 j OURNAL Of NATIONAL UNIVERSITY Of DEfENSE TEC~NOLOGY Vol .29 2007
文章编号: ( )
1001 -2486 2007 01 -0026 -04
再入标准轨道制导与轨道预测制导方法比较分析!
RLV
胡建学1 ,陈克俊1 ,赵汉元1 ,余梦伦2
( 国防科技大学航天与材料工程学院,湖南长沙; 中国运载火箭研究院总体设计部,北京)
1 . 410073 2 . 100076
摘要:提出只更新飞行剖面参数的航程更新方法及相应的再入标准轨道制导规律;结合轨道在线
RLV
生成与跟踪技术,采用自适应变步长轨道快速预报方法,研究了再入轨道预测制
Runge- kutta- fehlberg RLV
导。进一步对两种制导方法进行了比较分析研究,研究认为标准轨道制导与轨道预测制导都是可行的
RLV
再入制导方案,其有机结合是未来可重复使用跨大气层飞行器再入制导的发展趋势。
关键词:可重复使用运载器( );再入制导;标准轨道制导;预测制导
RLV
中图分类号: 文献标识码:
V448 A
Comparisons bet ween Reference-trajectory and predictor-corrector
Entry Gui dances f or RLVs
, , ,
~U jian-xue1 C~EN ke-j un1 Z~AO ~an- yuan1 YU eng-lun2
( , , , ;
1 . College of Aerospace and aterial Engineering National Univ . of Defense Technology Changsha 410073 China
, , , )
2 . Syste ms Engineering Division China Acade my of Launch Vehicle Technology Beijing 100076 China
: ( )
Abstract A new reusable launch vehicle RLV entry guidance algorit h m wit h rangi ng techniCue which only needs to up-
date flight profile para meters was developed and a predictor-corrector entry guidance methodology using Runge- kutta- fehlberg
method f or bined wit h traj ectory onli ne generation technology was studied . Comparisons bet ween t he t wo guidance
, ,
sche mes were perf or med and si mulation results showt hat t he t wo guidanc