Deployment research of tethered InSAR system for GMTI missions

被引：0
|
作者：
Zhang J. [1 ]
Zhang Z. [1 ]
机构：
[1] School of Astronautics, Harbin Institute of Technology, Harbin
来源：
Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica | 2016年 / 37卷 / 10期
基金：
中国国家自然科学基金;
关键词：
GMTI mission; Particle swarm optimization; Stable control; Steady state analysis; Tethered InSAR system;
D O I：
10.7527/S1000-6893.2016.0186
中图分类号：
学科分类号：
摘要：
The deployment of tethered interferometric synthetic aperture radar (InSAR) system applied for ground moving target indication (GMTI) missions is researched in the paper. To ascertain the characteristic of deployment, the three-dimensional dynamics model is applied, and the steady state analysis is presented. According to the system feature, the free deployment method is chosen to avoid halt caused by the output error of control mechanism. As a result, the deployment is sensitive to the initial state of system. Hence, particle swarm algorithm is used to optimize the initial state to deploy the system along horizontal direction when the deployment fulfills. Then a passive damper and jets control are used to make the system stay near horizontal direction in long-term. Finally, the numerical simulation is executed to verify the optimized initial state and the steady control method. The results show that the system could deploy to the target position with the optimized initial state, and the along-track baseline of system is always bigger than 99.6 m with the stable control. © 2016, Press of Chinese Journal of Aeronautics. All right reserved.
引用
收藏
页码：3083 / 3091
页数：8
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