摘要
倾转旋翼无人机综合了旋翼机垂直起降和固定翼飞机长航时飞行的优势,是目前无人机领域的研究热点之一。综述了国内外倾转旋翼无人机的发展现状,介绍了具体型号及其参数。对倾转旋翼无人机的总体设计、气动分析、动力学建模、控制器设计等关键技术进行了概述,介绍和分析了其中的重点问题。针对总体设计,强调了考虑多种飞行模式的设计,分析了气动布局、结构设计中的问题;针对气动分析,介绍了旋翼气动建模方法、流场动态分析方法;针对动力学建模,讨论了动力学方程建模和系统辨识建模的方法;针对控制器设计,介绍了倾转角曲线,并对各类控制算法进行概述。最后指出了需要解决的关键技术难题,可为倾转旋翼无人机的研究工作提供借鉴。
Tilt-rotor unmanned aerial vehicles(UAV) combine the advantages of vertical take-off and landing(VTOL) of rotorcrafts and long-endurance flight of fixed-wing aircrafts. It is one of the research hotspots in the field of UAVs. The development status of tilt-rotor UAVs are reviewed abroad and domestically.The specific prototypes and parameters are introduced. The key techniques including the overall design,aerodynamic analysis, dynamics modeling and controller design are summarized, whose important problems are introduced and analyzed. For overall design, design taking into account multiple flight modes is stressed and problems in aerodynamic layout and structure design are discussed. For aerodynamic analysis, aerodynamic modeling methods of rotors and dynamic flow field analysis methods are introduced. For dynamics modeling,modeling methods based on kinetic equations and system identification are discussed. For controller design, tilt angel curve is introduced and various kinds of control algorithm are summarized. Finally, key technical problems that need to be solved are pointed out. It can provide reference for the research of tilt-rotor UAVs.
作者
邵扬杰
刘莉
曹潇
贺云涛
Shao Yangjie;Liu Li;Cao Xiao;He Yuntao(School of Aerospace Engineering,Beijing Institute of Technology,Beijing 100081,China)
出处
《战术导弹技术》
北大核心
2022年第1期12-20,共9页
Tactical Missile Technology
