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도시철도시스템을 위한 가변편성시스템의 적용성 연구
The changeable set system need to be developed to devoid a traffic congestion for rush hour. We will apply the changeable set system to solve this problems. The cost-effectiveness is reviewed when weExpand
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도시철도시스템용 에너지저장시스템 용량설계에 관한 연구
Six thousands of vehicles are operated on Korean urban transit system. 95% of them have regeneration system. Especially, the VVVF-Inverter vehicle has a merit of the highest regeneration rate.Expand
펄세이터형 세탁 시스템의 진동 해석
Recently washing machines are to be in lower vibration and lower sound because of better environment. Vibration problems in washing machines occur in both washing mode and spinning mode, butExpand
Power train of an hybrid electric vehicle and manipulating method thereof
A dual mode power train of a hybrid electric vehicle and an operating method thereof are provided to operate the power train in relatively good efficiency according to the change of the gear ratio asExpand