光电工程, 2012, 39 (12): 1, 网络出版: 2012-12-14   

柔性气动外形飞行体气流扰动下的可视化检测

Visual Detection of Air Vehicle Prototype with Flexible Aerodynamic Shape under Airflow Disturbance
王向军 1,2,*张宁宁 1,2于雅楠 1,2
作者单位
1 天津大学精密测试技术及仪器国家重点实验室,天津 300072
2 天津大学微光机电系统技术教育部重点实验室,天津 300072
摘要
为研究具有柔性气动外形的微型飞行器抗气流扰动特性,本文设计了一种具有柔性气动外形微型旋翼飞行体,利用有限元方法对飞行体垂直气道的设计模型进行了模态分析,实现了飞行体的垂直起降和悬停。在基于双目立体视觉测量的气流扰动场实验装置中对飞行体完成初步的三维可视化检测,利用频闪成像方法记录气流扰动下飞行体的运动轨迹和气动外形的形态学变化,为研究柔性气动外形非定常气动特性以及飞行体抗扰动机理提供一种有效的可视化信息提取方法。
Abstract
In order to study the anti-disturbance characteristic of the Micro Air Vehicle (MAV) with flexible aerodynamic shape, a hovering MAV with flexible aerodynamic shape was designed, and the finite element method was used to conduct modal analysis of its vertical airway. Then, its vertical lift and hovering were achieved. The preliminary three-dimensional visual inspection of the aircraft was completed in an airflow disturbance experimental device, which is based on binocular stereo vision. The aircraft’s motion trace and morphological changes of the aerodynamic shape under airflow disturbance were recorded using stroboscopic imaging technique, which provided an effective extraction method for studying the unsteady aerodynamic characteristic of the flexible aerodynamic shape and the anti-disturbance mechanism of hovering MAV.

王向军, 张宁宁, 于雅楠. 柔性气动外形飞行体气流扰动下的可视化检测[J]. 光电工程, 2012, 39(12): 1. WANG Xiang-jun, ZHANG Ning-ning, YU Ya-nan. Visual Detection of Air Vehicle Prototype with Flexible Aerodynamic Shape under Airflow Disturbance[J]. Opto-Electronic Engineering, 2012, 39(12): 1.

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