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소형무장헬기 회전형 포탑시스템의 안정화추적 성능 시험기법
남병욱,이호정,조시훈,조성훈,Nam, Byounguk,Lee, Hojung,Jo, Sihun,Cho, Sunghun 한국군사과학기술학회 2014 한국군사과학기술학회지 Vol.17 No.6
In this paper, we propose a novel method which can be applied to test and verify the stabilization-tracking performance of Gun/Turret Driving System(GTDS) for Light Armed Helicopter(LAH). In real system, GTDS is connected to TADS/SMC and drived to aim at the target with 20mm gun. But each equipment is separately developed during exploratory development stage, so GTDS cannot be tested under real system state. We suggest new configuration of test system for evaluating the stabilization-tacking performance, in which TADS and SMC are replaced by vision acquisition unit and processing unit, respectively.
반응표면법을 이용한 광학미러용 일체형 유연힌지 마운트 최적설계
이경호,남병욱,남성식,Kyoungho Lee,Byounguk Nam,Sungsik Nam 한국군사과학기술학회 2023 한국군사과학기술학회지 Vol.26 No.3
An optimal design of a simple beam-shaped flexure hinge mount supporting an optical mirror is presented. An optical mirror assembly is an opto-mechanically coupled system as the optical and mechanical behaviors interact. This side-supporting mount is flexible in the radial direction and rigid for the remaining degrees of freedom to support the mirror without transferring thermal load. Through thermo-elastic, optical and eigenvalue analysis, opto-mechanical performance was predicted to establish the objective functions for optimization. The key design parameters for this flexure are the thickness and length. To find the optimal values of design parameters, response surface analysis was performed using the design of experiment based on nested FCD. Optimal design candidates were derived from the response surface analysis, and the optimal design shape was confirmed through Opto-mechanical performance validation analysis.