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Compensation of Geo-Pointing Error due to Information Transport Delay for Electro-Optical Tracking System  

Yim, Jong-Bin (Samsung Thales Co., Ltd.)
Moon, Seong-Man (Samsung Thales Co., Ltd.)
Lyou, Joon (Department of Electronics Engineering, Chungnam National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea CI / v.48, no.5, 2011 , pp. 1-7 More about this Journal
Abstract
EOTS(Electro-Optical Tracking System) provides stabilized images while tracking a moving target. The key of geo-pointing is the function that fixes EOTS's sight to a specific position(geo-point) throughout aircraft maneuvers. In this paper, a major error source for the geo-pointing is identified as the transport delay of navigation information, and an augmented Kalman filter is designed to estimate the present attitude of aircraft using delayed navigation information. Simulation results including the presented scheme shows that the error due to the information transport delay reduces under half.
Keywords
Electro-Optical Tracking System; Geo-Pointing; Kalman Filter; Time Delay;
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