摘要
针对强静不稳定且刚/弹强耦合的高超声速飞行器,提出了一种新的控制设计方法。首先分析飞行器频带耦合机理,得到刚体对弹性稳定性产生影响的主要因素。继而提出改进双网络控制方法,该方法通过合理设计降低频带耦合,放宽对飞行器静稳定特性的要求,从而能够设计出刚体和弹性性能均满足要求且具有良好鲁棒性和快速性的控制器。将文中所提方案与鲁棒控制方案的结果进行数值仿真对比,验证了该设计方法的优越性。
A new control design method for hypersonic vehicle with strong static instability and rigid/elastic coupling was proposed.Firstly,the frequency band coupling mechanism of aircraft was analyzed to obtain the main factors affecting the elastic stability of rigid body.Then,the improved double-network control method was proposed.Through reducing the coupling of frequency band and relaxing the requirement of static stability characteristics of aircraft,the controller with good robustness and rapidity could be designed to meet the requirements of rigid body and elastic performance.Finally,compared the results of the proposed scheme with the results of robust control scheme,the superiority of the proposed design method was verified.
作者
王青
张伸
梁津津
董朝阳
WANG Qing;ZHANG Shen;LIANG Jinjin;DONG Chaoyang(School of Automation Science and Electrical Engineering,Beihang University,Beijing 100191,China;School of Aeronautic Science and Engineering,Beihang University,Beijing 100191,China)
出处
《弹箭与制导学报》
CSCD
北大核心
2017年第6期7-10,16,共5页
Journal of Projectiles,Rockets,Missiles and Guidance
基金
国家自然科学基金(61374012)资助。
关键词
高超声速飞行器
弹性飞行器
静不稳定性
改进双网络方案
hypersonic vehicle
flexible aircraft
static instability
improved double-network control scheme
