| 基于立体视觉系统的风洞尾旋试验测量方法研究 |
| |
| 引用本文： | 宋晋,马军,蒋敏,蒋开宇.基于立体视觉系统的风洞尾旋试验测量方法研究[J].计算机测量与控制,2011,19(11). |
| |
| 作者姓名： | 宋晋 马军 蒋敏 蒋开宇 |
| |
| 作者单位： | 中国空气动力研究与发展中心低速所,四川绵阳,621000 |
| |
| 基金项目： | 总装备部气动预研基金项目资助(513130402) |
| |
| 摘 要： | 尾旋是飞机在失速时的一种复杂而危险的非正常飞行状态;研究飞机尾旋及改出特性的常用方法是立式风洞尾旋试验,该方法具有费用低、周期短等优点;为解决试验中模型姿态的测量问题,采用两台CCD摄像机等设备构建了一套立体视觉测量系统,并通过开展空间直角坐标系转换和相关图像处理算法研究,获得飞机模型表面特征标记点的空间三维参数,实现了对尾旋模型的姿态测量;试验结果表明,该技术具有非接触,识别率高和使用灵活的特点,姿态角测量精度达到0.1°。
|
| 关 键 词： | 立体视觉 尾旋 坐标系转换 图像处理 |
Measurement Method Research of Spin Test in Wind Tunnel Based on Stereo Vision System |
| |
| Song Jin,Ma Jun,Jiang Min,Jiang Kaiyu.Measurement Method Research of Spin Test in Wind Tunnel Based on Stereo Vision System[J].Computer Measurement & Control,2011,19(11). |
| |
| Authors: | Song Jin Ma Jun Jiang Min Jiang Kaiyu |
| |
| Affiliation: | Song Jin,Ma Jun,Jiang Min,Jiang Kaiyu(Low Speed Institute,China Aerodynamics Research and Development Center,Mianyang 621000,China) |
| |
| Abstract: | Spin is a kind of complicated,dangerous and abnormal flying state when airplane stalls in the air.Spin and recovery research is usually done in vertical wind tunnel test,which has the advantages of low expenses,short period and so on.In order to solve the attitude measurement of airplane,a set of measurement system based on stereo vision principle is designed and established.The 3D parameter is gained by the 2D coordinates of images taken by the two cameras,and the attitude measurement is realized by the me... |
| |
| Keywords: | stereo vision spin coordinates transfer digital image processing |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
