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이도선(D. S. Lee),안청모(Ch. M. Ahn),김관수(G. S. Kim),조규호(G. H. Jo) 한국도시철도학회 2014 한국도시철도학회논문집 Vol.2 No.4
Although a city commuter train performs a basic means of transportation role at an one city, a city commuter train performed roles of urban commuter train railway as well as city commuter train due to a wide area of urban zone of life. For this reason, a city commuter train manufactured for the purpose of running of short distance running for more than two hours in numerous cases and passenger also spend 1 ~ 2 hours in a urban commuter train at one boarding in numerous cases. It is with this in mind that we wrote research paper by Passenger’s Questionnaire Survey - Case for the purpose of gathering the opinions from passengers about the commuter trains with toilet which is about train at its convenient.
프로피버스 기반 복수유도전동기의 멀티레이트 추정 및 제어
이홍희(H.H. Lee),김관수(G.S.Kim) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(2)
This paper presents a method for increasing controller performance through multirate state estimation for ac machines at a low velocity. The multirate controller outputs control desired speed at each measurement instant The simulation results show that the performance of multirate velocity estimation and control at low velocity is Improved than single rate one.<br/>