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

František Trebuňa^1, , Róbert Huňady¹, Martin Hagara¹ and Ivan Virgala²

¹Department of Applied Mechanics and Mechanical Engineering, Technical University of Košice, Faculty of Mechanical Engineering, Košice, Slovakia

²Department of Mechatronics, Technical University of Košice, Faculty of Mechanical Engineering, Košice, Slovakia

Cite this paper:
František Trebuňa, Róbert Huňady, Martin Hagara and Ivan Virgala. High-speed Digital Image Correlation as a Tool for 3D Motion Analysis of Mechanical Systems. American Journal of Mechanical Engineering. 2015; 3(6):195-200. doi: 10.12691/ajme-3-6-8

Abstract

The contribution deals with the use of high-speed digital image correlation in a measurement and motion analysis of relatively big objects such as robots or manipulators. Digital image correlation method is an optic non-contact technique, which can be used in a wide range of applications in experimental mechanics. This method uses two precise CCD cameras for measuring. Cameras are usually placed stereoscopically, what allows to determine displacements and deformations in 3D space. In this contribution the theoretical basis of this method as well as the practical aspects concerning high-speed measurements are contained. As an example the experimental measurement of the motion of manipulator arm is mentioned. The output of the measurement is in the form of trajectories of its investigated points and the displacements of oscillation as well.

Keywords:
digital image correlation high-speed measurement motion analysis vibration analysis

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References:

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