Development of a method for the synthesis of a three­dimensional model of power transmission lines for visualization systems of training complexes

Authors

DOI:

https://doi.org/10.15587/1729-4061.2018.139964

Keywords:

UAV, wire lines, simulation complexes, three­dimensional models, rasterization, image synthesis, visualization system, graphics accelerator, aliasing

Abstract

Representation of the wire line shape depending on the wire tension and temperature was considered. A method was developed for constructing a geometric three­dimensional line model and synthesis of its images used in the visualization system of the simulator complex. Solution of the problem of synthesis and visualization of extended objects is hard and computationally complex because of the high detail of such objects and strong unevenness of their projection. The method makes it possible to obtain a set of triangles describing the line in real time using known sagging parameters and distance between the suspension points. To do this, one does not need the line scanning in contrast to the used methods of lidar scanning or photogrammetry. Sagging of the line wires can vary in real time depending on external conditions. The resulting set does not contain explicitly visible kinks or artifacts for any position of the observer within the simulated section of the line.

The method minimizes aliasing artifacts on the wire line elements remote from the observer, automatic texturing and calculation of normals to the line surface which enables correct calculation of illumination for any line fragment when synthesizing images in the visualization system. The speed of the method was evaluated, its implementation within the visualization system has shown a functioning speed enough for real­time operation and examples of synthesized line images were given.

The required computational resources for synthesis of the line image were minimized by using a flexible system of detail levels which has enabled use of cheaper hardware for constructing visualization systems and resulted in reduction of the price of the simulator complex in general.

Author Biographies

Peter Kachanov, National Technical University «Kharkiv Polytechnic Institute» Kyrpychova str., 2, Kharkiv, Ukraine, 61002

Doctor of Technical Sciences, Professor, Head of Department

Department of automation and control in technical systems

Andrey Zuev, National Technical University «Kharkiv Polytechnic Institute» Kyrpychova str., 2, Kharkiv, Ukraine, 61002

PhD, Associate Professor

Department of automation and control in technical systems

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Published

2018-07-31

How to Cite

Kachanov, P., & Zuev, A. (2018). Development of a method for the synthesis of a three­dimensional model of power transmission lines for visualization systems of training complexes. Eastern-European Journal of Enterprise Technologies, 4(9 (94), 61–70. https://doi.org/10.15587/1729-4061.2018.139964

Issue

Vol. 4 No. 9 (94) (2018): Information and controlling system

Section

Information and controlling system

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Copyright (c) 2018 Peter Kachanov, Andrey Zuev

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