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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( )+,-.  ,  ,       (ISS : Inertially Stabilized System) , ,

A Study on an Image-Based Target Tracking Controller using a Target States Estimator for Airborne Inertially Stabilized Systems