Figures index

From

High-speed Digital Image Correlation as a Tool for 3D Motion Analysis of Mechanical Systems

František Trebuňa, Róbert Huňady, Martin Hagara, Ivan Virgala

American Journal of Mechanical Engineering. 2015, 3(6), 195-200 doi:10.12691/ajme-3-6-8
  • Figure 1. Setup of 2D correlation system
  • Figure 2. Setup of 3D correlation system
  • Figure 3. Transformation parameters of potential translation, stretch, shear and distortion
  • Figure 4. Calibration target Dantec Dynamics PL-50mm-9x9. Grey circles on the left image show detection of characteristics points with known location
  • Figure 5. Dependence between sampling frequency of the cameras and maximal velocity of a point, which can be recorded at given frequency
  • Figure 6. Illustrative picture of the manipulator
  • Figure 7. Illustrative picture of the arrangement and spacing of the cameras relative to analyzed points in their initial position
  • Figure 8. Speckle patterns applied at the places A and B
  • Figure 9. The view from the left camera capturing the manipulator in initial position
  • Figure 10. The view from the left camera capturing the manipulator in final position
  • Figure 11. Time dependences of X coordinates of points A and B
  • Figure 12. Time dependences of Y coordinates of points A and B
  • Figure 13. Time dependences of Z coordinates of points A and B
  • Figure 14. Spatial representation of the trajectories of points A and B
  • Figure 15. Time dependence of oscillations of point A obtained by the function “Remove Rigid Body Movements” for time interval 7-8 s
  • Figure 16. Frequency spectra of oscillations of point A obtained by the function “Remove Rigid Body Movements” for time interval 7-8 s