Wing deformation measurement using the stereo-vision …
2021年12月1日 · For flight testing of a new aircraft, wing deformation measurement is both vital in terms of checking aerodynamic characteristics and verifying the theoretically predicted wing …
What is needed is a way to compute the deflected shape of an entire three dimensional structure using strain measurements from discrete locations. This would vastly improve the ability to …
surface strain measurements along the wing, and measurement of the wing’s actual deformation under load. These requirements were met by implementing a fiber optic strain-sensing (FOSS) …
This paper presents a new method to measure wing deflections in flight for small UAVs. It employs a pair of high resolution stereo cameras and LED wing markers, as well as a small …
Strain transfer characteristics of surface-attached FBGs in …
2020年4月1日 · The test results show that the strain measurement method based on the surface-attached FBGs is simple and reliable, and this method can be used to calibrate the surface …
deformation as a substitute to strain gages may yield lower testing costs while improving aircraft performance through reduced instrumentation weight. This technique was examined using a …
Measurement of aircraft wing deformation using fiber Bragg gratings
A feasible method of measuring the aircraft wing deformation based on fiber Bragg grating (FBG) is introduced. The strains of the wing can be obtained by means of FBGs attached on the …
IPCT is an optical, non-intrusive measurement technique based on photogrammetry in combination with modern correlation algorithms developed for the Particle Image Velocimetry …
Strain transfer characteristics of surface-attached FBGs in …
2020年4月1日 · Dynamic deformations of aircraft wing can lead to changes in baseline length, which seriously affects the performance of ground height measurement and multi-phase …
In order to provide higher accuracy for transfer alignment on aircraft, a surface-attached FBGs is designed for distributed deformation measurement of aircraft wing. To verify the measurement …