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이남진(N. J. Lee),이동찬(D. C. Lee),강철구(C. G. Kang) 한국도시철도학회 2013 한국도시철도학회논문집 Vol.1 No.3
The advantage of a HILS system is that prototype products such as mechanical hardware, electric components and control algorithm can be easily verified with short time and reasonable cost through HILS. Some parts of a total system which require a lot of resources to be tested are made of a real-time simulation model and the target components for research are to be realized with a real product as prototype. The environment in view of a target component is provided with same interface of the real total system, so the target component can operate as same as actual operation of the total system. One of the most useful fields of HILS applications is a brake system of a railway vehicle. In this study, the configuration of the railway vehicle is introduced, and major components such as a real-time simulation model of railway vehicle, a pneumatic brake operating unit, and an electric control unit including brake algorithm are to be realized using real product or prototype. The developed HILS system is to be validated according to a predefined braking scenario.
이봉주(B.-J. Lee),김성환(S.-H. Kim),강철구(C.-G. Kang) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
Tension control performance is very important in high-speed printing machine. One of the major factors that effect to tension control performance is the process of roll changing. Even if the turret arm moves during roll changing process and the span length of the unwinding system varies, it is customary to neglect it in motion and tension control and to consider it as a disturbance. In this paper, its effect is modeled nonlinearly and compared with linear model, and an effect of an infeeder dancer is analyzed under the condition with no unwinder dancer. We verify the performance of the proposed method via simulation in the high-speed printing machine.
지능형 Arm-wrestling system의 수학적 모델과 시뮬레이션
손익수(I.-X. Son),이한승(H.-S. Lee),강철구(C.-G. Kang) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
An intelligent arm-wrestling system is recently developed in our laboratory that is comprised of an arm-force generation mechanism and a control system that detects the maximum arm-force of a user in the early stage of the match, generates a different game scenario each time, and executes force feedback control to implement the scenario. This paper presents the mathematical model of the force control system of the intelligent arm-wrestling system, and some improvements of it via experimental frequency responses using a control signal analyzer.