Closed-loop cooperative terminal guidance law based on predictor-corrector for hypersonic gliding vehicles

被引：0
|
作者：
Zheng J. [1 ]
Tang S. [1 ]
Guo J. [1 ]
机构：
[1] School of Aerospace Engineering, Beijing Institute of Technology, Beijing
来源：
Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics | 2023年 / 49卷 / 11期
关键词：
aerodynamic identification; closed-loop cooperative guidance; hypersonic gliding vehicle; predictor-corrector; variable coefficient proportional guidance;
D O I：
10.13700/j.bh.1001-5965.2022.0043
中图分类号：
学科分类号：
摘要：
A closed-loop guidance solution based on a flight time predictor and a flight profile corrector is proposed for the time cooperative problem in the terminal guiding phase of hypersonic glide vehicles with continuous energy decay. Firstly, parameterized proportional guidance flight profile with negative coefficient is designed. The remaining time of the vehicle could be predicted after the aerodynamic uncertainty identification. Secondly, the flight profile parameter is corrected by the numerical algorithm. Then the command could guide a single vehicle to meet time constraints. Thirdly, a closed-loop coordination strategy is designed. The time adjustment capability of the vehicle is analyzed with flight profile coefficient. Multiple vehicles could plan the expected flight time and corresponding flight profile independently for cooperative terminal guidance tasks. The simulation results show that the cooperative guidance law could meet the needs of time cooperative terminal guidance tasks, the position error is less than 5 meters, and the relative time error is less than 1 second. © 2023 Beijing University of Aeronautics and Astronautics (BUAA). All rights reserved.
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页码：3188 / 3196
页数：8
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