柔性蒙皮变体机翼多电机分布式驱动系统研究  

Study on Multi-motor Distributed Driving System of Morphing Wing with Flexible Skin

作　　者：随涛 徐志伟[1] SUI Tao;XU Zhiwei(State Key Laboratory of Mechanics and Control of Mechanical Structures,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)

机构地区：[1]南京航空航天大学机械结构力学与控制国家重点实验室,南京210016

出　　处：《机械科学与技术》2023年第9期1551-1558,共8页Mechanical Science and Technology for Aerospace Engineering

摘　　要：针对可变弯度柔性波纹蒙皮后缘模型结构,采用了多电机驱动技术,设计并制备了机翼模型、驱动及测控系统;采用改进的偏差耦合算法,实现了驱动系统中3台电机的角度同步控制;完成了系统软、硬件的设计,并对后缘结构模型驱动系统进行了空载、地面加载及风洞等多组实验研究,结果表明:测控系统可以实时控制电机间的角度偏差在允许的误差范围内,在有无载荷情况下驱动系统工作无显著差异;承受风洞载荷情况下,柔性后缘结构偏转速度可达1.7°/s,超调量小于0.3°,电机启动阶段角度差小于20°,匀速运行阶段角度差小于10°。In this paper,a morphing trailing edge model with corrugate flexible skin is selected as an object and the multi-motor driving system is adopted to achieve the morphing operation.The model is designed,manufactured and assembled.The corresponding driving,measurement and control system are also built.Subsequently,the improved relative coupling algorithm is selected to achieve angle synchronization control of three motors in the driving system.The design of software and hardware system has been completed.The deflection experiments of trailing edge have been carried out with no-load,ground load and wind tunnel load respectively.The testing results show that the measurement and control system can keep the deflection angle error of trailing edge within an allowable error range.There is no significant difference in the operation of the driving system with or without load.In the wind tunnel test,the deflection speed of the flexible trailing edge can reach 1.7°/s,the overshoot is below 0.3°,the deflection angle error is below 20°in the startup phase and below 10°in the constant speed stage.

关 键 词：自适应机翼 变弯度机翼 多电机驱动系统 偏差耦合控制 

分 类 号：V249.122[航空宇航科学与技术—飞行器设计] TP237[自动化与计算机技术—检测技术与自动化装置]