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박도영(Park Doh Young),김봉섭(Kim Bong-Seup),김동성(Kim Dong-Sung),남용윤(Nam Yong Yun) 한국철도학회 2006 한국철도학회 세미나자료 Vol.- No.-
Outline of design procedures of Linear Induction Motor (LIM) for transit vehicle applications are presented. The design steps are based on the classical design method. Constrains specific for transit applications are discussed. Heuristic data obtained from the various LIMs are utilized to streamline the presented design steps.
자기부상열차의 슬립주파수 패턴 가변을 통한 ATO 운전 에너지효율조사
박관균(Park Gwan Gyun),박상욱(Park Sang Uk),목형수(Mok Hyung Soo),임재원(Lim Jae-Won),박도영(Park Doh-Young) 한국철도학회 2016 한국철도학회 학술발표대회논문집 Vol.2016 No.10
본 논문에서는 기존의 선형 유도 전동기를 기반으로 자기부상추진시스템의 ATO운전시 슬립주파수 고정 방식이 아닌 슬립주파수와 수직력, 추진력과의 관계를 이용하여, 열차 운행중 슬립 주파수가변을 통해 ATO운전 효율 향상을 검증하였다. 검증 방식은 실제 운행 중인 자기 부상열차의 운행 패턴을 기반으로 모의시험을 실시, 기존의 운행 방식과 제안한 운행 방식을 비교, 효율 증가를 검증하였다. In this paper, ATO operation efficiency improved is verified through slip frequency varying using slip frequency, nomal force and driving force compared to existing fixed slip frequency mode. verification scheme is carried out simulation tests based on the trabel pattern of the magnetic levitation train under real driving. comparing the conventional method and the proposed station operation method, and verified the efficiency increases.
선형 동기 전동기가 있는 축소형 자기부상열차의 추진 제어
박진우(Jin-Woo Park),김창현(Chang-Hyun Kim),박도영(Doh Young Park) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
In this paper the propulsion control of a high-speed maglev train is studied. Electromagnetic suspension is used to levitate the vehicle and linear synchronous motors (LSM) are used for propulsion. In general a low-speed maglev train uses a linear induction motor (LIM) for propulsion that is operated under 300[km/h] due to the power-collecting and end-effect problem of LIM. In case of the high-speed maglev train over 500[km/h] a linear synchronous motor (LSM) is more suitable than LIM because of a high-efficiency and high-output properties. An optical barcode positioning system is used to obtain the absolute position of the vehicle due to its wide working distance and ease of installation. However because the vehicle is working completely contactless the position measured on the vehicle has to be transmitted to the ground for propulsion control via wireless communication. For this purpose Bluetooth is used and communication hardware is designed. A propulsion controller using a digital signal processor (DSP) in the ground receives the delayed position information calculates the required currents and controls the stator currents through inverters. The performance of the implemented propulsion control is analyzed with a small maglev train which was manufactured for experiments and the applicability of the high-speed maglev train will be explored.