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기동표적의 상태추정을 이용한 포의 사격통제 시스템 향상 연구
韓斗熙(Du Hee Han),李東冠(Dong Gwan Lee),宋澤烈(Taek Lyul Song) 대한전기학회 2006 전기학회논문지 D Vol.55 No.3
Fire control system(FCS) errors can be classified as hardware errors, filter prediction errors, effective ballistic function errors, and aiming errors. Among these errors, the filter prediction errors are the most significant error sources. To reduce them, a target future position calculation method using the acceleration estimate is suggested and it is compared with the constant velocity target prediction method. Simulation results show that the suggested method has better performance than the constant velocity prediction method. Target tracking algorithm is established with multiple target tracking filters based on IMM structure.
클러터 환경에서 다중센서 정보융합을 통한 유도성능 개선 연구
한두희(Du-Hee Han),김형원(Hyoung-Won Kim),송택렬(Taek-Lyul Song) 제어로봇시스템학회 2010 제어·로봇·시스템학회 논문지 Vol.16 No.2
A MTG (Multimode Tracking and Guidance) system is employed to compensate for the limitations of individual seekers such as RF (Radio Frequency) or IIR (Imaging Infra-red) and to improve the overall tracking and guidance performance in jamming, clutter, and adverse weather environments. In the MTG system, tracking filter, data association, and data fusion methods are important elements to maximize the effectiveness of precision homing missile guidance. This paper proposes the formulation of a Kalman filter for the estimation of line-of-sight rate from seeker measurements in missiles guided by proportional navigation. Also, we suggest the HPDA (Highest Probability Data Association) and data fusion methods of the MTG system for target tracking in the adverse environments. Mont-Carlo simulation is employed to evaluate the overall tracking performance and guidance accuracy.