Optical and dynamic measuring system for movement data of aircraft structural parts

LI Lei-gang; LIANG Jin; TANG Zheng-zong; GUO Cheng; CUI Xue-long

doi:10.3788/OPE.20122009.1929

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Optical and dynamic measuring system for movement data of aircraft structural parts

Article | 更新时间：2020-08-12

- Optical and dynamic measuring system for movement data of aircraft structural parts
- Optics and Precision Engineering Vol. 20, Issue 9, Pages: 1929-1938(2012)
- 作者机构：
  
  西安交通大学机械工程学院,陕西西安,710049
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20122009.1929
  CLC： V214;TP391
- Received：07 March 2012，
  
  Revised：28 March 2012，
  
  Published：10 September 2012
- 稿件说明：
移动端阅览
李磊刚, 梁晋, 唐正宗, 郭成, 崔学龙. 飞机结构件运动数据的动态视觉测量系统[J]. 光学精密工程, 2012,20(9): 1929-1938

LI Lei-gang, LIANG Jin, TANG Zheng-zong, GUO Cheng, CUI Xue-long. Optical and dynamic measuring system for movement data of aircraft structural parts[J]. Editorial Office of Optics and Precision Engineering, 2012,20(9): 1929-1938
李磊刚, 梁晋, 唐正宗, 郭成, 崔学龙. 飞机结构件运动数据的动态视觉测量系统[J]. 光学精密工程, 2012,20(9): 1929-1938 DOI： 10.3788/OPE.20122009.1929.

LI Lei-gang, LIANG Jin, TANG Zheng-zong, GUO Cheng, CUI Xue-long. Optical and dynamic measuring system for movement data of aircraft structural parts[J]. Editorial Office of Optics and Precision Engineering, 2012,20(9): 1929-1938 DOI： 10.3788/OPE.20122009.1929.

摘要

基于近景摄影测量理论和立体视觉技术

提出并实现了一种针对机身结构件在飞行状态下的轨迹、姿态、位移、变形等多种运动数据的动态视觉测量方法。研究了基于工业近景摄影测量的多相机快速自标定方法;飞行状态下相机动态定位及抖动消除技术;刚性结构件的运动轨迹及姿态的快速求取和通过多相机(3)协作实现非编码标志点阵列的精确匹配等多项关键技术。在模拟飞行环境下的实验结果表明

相机标定的重投影误差小于0.03 pixel

系统的运动轨迹姿态测量精度可达0.01 mm/1 m

关键点位移变形测量精度可达0.05 mm/1 m

基本满足飞机测试行业的精度和可靠性测量标准。

Abstract

In order to obtain the movement data of an aircraft

including trajectory

attitude

displacement

deformation and other kinds of movement data of the aircraft structural parts in the flight accurately

an optical and dynamic measurement method is proposed and implemented based on the theory of close-range photogrammetry and stereo vision technology. The main contents of the method are multi-camera self-calibration technique based on close-range photogrammetry

camera dynamic positioning and jitter eliminating in flight technology

rapid acquisition for the trajectory and attitude of rigid structure

precise matching of non-coding landmark array by multi-camera (3) collaboration. The simulation results show that the reprojection error of the camera is less than 0.03 pixel

the trajectory and attitude measurement accuracy of the system can be up to 0.01 mm/1 m

and the measurement accuracy of key point displacement and deformation is 0.05 mm/1 m. It demonstrates that the system have met the standards of accuracy and reliability for aircraft testing industry.

关键词

Keywords

references

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