基于立体视觉的直升机旋翼桨叶三维动态变形测量  

3D Dynamic Deformation Measurement of Helicopter Rotor Blades Based on Stereovision

作　　者：韩涛[1] 吴衡[1] HAN Tao;WU Heng(Chinese Flight Test Establishment,Xi'an 710089,China)

机构地区：[1]中国飞行试验研究院,西安710089

出　　处：《科学技术与工程》2018年第8期322-327,共6页Science Technology and Engineering

基　　金：航空科技基金(2010ZD30004;2015ZD30002);航空科学基金(2008ZD30008);国家"863"计划(2008AA121600)资助

摘　　要：针对直升机旋翼桨叶变形测量难度大的问题,构建了一种随旋翼旋转的立体相机系统;设计了一种快速精确组网测量旋翼桨叶变形量方案,提出了桨叶三维动态变形量测量方法。理论分析和仿真实验表明,提出的直升机桨叶摄像测量方法具有精度高、速度快、便携式特点,同时通过地面实验验证了该方法的可靠性和鲁棒性。在直升机定型试飞中,可以高速率、高精度获得直升机旋翼桨叶三维变形量和表面结构,具有较好的应用前景。Aiming at the problem of difficulty in measuring the deformation of the helicopter rotor blade,a propeller with a stereo camera system and a fast and accurate network measurement scheme is built,the three-dimensional deformation measurement method is designed.Theoretical analysis and simulation results show that the proposed method has the advantages of high precision and fast speed,and the reliability and robustness of the method are verified by the ground experiments.This method can be used to obtain the 3D deformation and surface structure of helicopter rotor blade with high speed and high precision.

关 键 词：直升机 变形测量 旋翼桨叶 像机标定 平差法 

分 类 号：V212.4[航空宇航科学与技术—航空宇航推进理论与工程]