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J. KIMS Technol > Volume 17(5); 2014 > Article
Journal of the Korea Institute of Military Science and Technology 2014;17(5):703-710.
DOI: https://doi.org/10.9766/KIMST.2014.17.5.703   
A Study on an Image-Based Target Tracking Controller using a Target States Estimator for Airborne Inertially Stabilized Systems
Sungsu Kim, Buhwan Lee
The 3rd Research and Development Institute, Agency for Defense Development
표적상태 추정기를 이용한 항공용 시선 안정화 장치의 영상기반 표적추적 제어기에 관한 연구
김성수, 이부환
국방과학연구소 제3기술연구본부
Abstract
An Image-Based Target Tracker maintains LOS(Line Of Sight) to a target by controlling azimuth and elevation gimbals of an ISS(Inertially Stabilized System). Its controller produces the gimbals commands of the ISS using tracking errors provided by an image tracker. The control performance of the target tracker with PI controller generally used for tracking controller is limited because of bandwidth limitation by time delay yielded by image capture and processing of the image tracker. In this paper, tracking controller using target states estimator is proposed which can enhance the tracking performance under the highly dynamic maneuvering conditions of the ISS and the target. Simulation results show that the proposed method can improve the tracking performance than that with only PI controller.
Key Words: Inertially Stabilized System, Target Tracking Controller, Target States Estimator
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