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마진석,강명숙,권우현,임성운,변승완 ( Jin Suk Ma,Myung Sook Kang,Woo Hyen Kwon,Sung Woon Im,Seung Whan Byun ) 한국센서학회 1998 센서학회지 Vol.7 No.1
In this paper, we analyzed the effect of the time delay of the image sensor in the tracking loop of Electro-Optical `Tracking System(EOTS). we showed that Smith predictor can greatly improve the stability and various performances of EOTS with time delay. And also, to verify the realistic validity, we executed the experiment in EOTS recently developed, and confirmed the effectiveness in EOTS.
마진석(Jin Suk Ma),이광일(Kwang Il Lee),김우현(Woo Hyun Kim),권우현(Woo Hyen Kwon),임성운(Sung Woon Im),변승완(Seung Whan Byun),천호정(Ho Jeong Cheon) 한국센서학회 1999 센서학회지 Vol.8 No.2
In this paper, we present the new angular velocity pick-off method for DTG (dynamically tuned gyroscope) which is widely used in various inertial navigation systems and motion control systems. In case of the external angular velocity input, the proposed scheme can make a smaller tilt-angle rather than that of conventional PI method in the transient and steady state because it has an additional inner rebalance loop with a mathematical model of the real gyroscope. So, without any mechanical redesign of the DTG, its dynamic range can be enlarged by the proposed method. The theoretical analysis and simulation model of DTG with the proposed scheme are given. Finally, the proposed scheme is verified