Korea University · Engineering
Hoseong Lee 교수의 연구실은 고속·고정도 운동 제어 시스템 설계와 환경 영향 최소화를 위한 에너지 시스템 평가를 주요 연구 분야로 다룹니다. 특히 마찰 보정 및 외란 관측 기반의 안정적 제어 기법, 그리고 저온각도 냉媒를 활용한 공조 시스템의 환경성능 평가 기법을 개발하고 있습니다. 또한, 신호 복구 및 비파괴 영상 복원 기술을 응용한 실시간 영상 전송 기술에 대해서도 연구를 진행하고 있습니다.
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This paper presents a controller structure for robust high speed and accuracy motion control systems. The overall control system consists of four elements: a friction compensator; a disturbance observer for the velocity loop; a position loop feedback controller; and a feedforward controller acting on the desired output. A parameter estimation technique coupled with friction compensation is used as the first step in the design process. The friction compensator is based on the experimental frictio
Reducing environmental impacts from the energy conversion systems has been an important research topic due to recent severe global climate changes. In residential buildings, the space heating and cooling are main energy consumers, which are mainly relying on a vapor compression cycle. In an effort to better understand the environmental impacts of these systems, life cycle climate performance (LCCP) evaluation method was developed, which considers the direct and indirect emissions of the system o
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